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If your Ottawa space cooks, processes or prepares food, you need a grease trap. It is not optional and it is not a City preference. The Ontario Building Code requires a properly sized, properly installed and properly maintained grease interceptor anywhere food is cooked, processed or prepared, and the City of Ottawa Sewer Use By-law limits what grease can go down your drain and backs that up with penalties and fines. Grease trap and grease interceptor are the same piece of equipment in everyday use, and the City itself uses both words, so do not let the wording throw you. The real questions are not whether you need one. They are how big it has to be, where it goes, what the permit costs and how often it has to be cleaned.&nbsp;<h3>Do you need a grease trap for a restaurant in Ottawa?</h3>Yes. The City is direct about it in its own guidance for restaurant owners: grease traps are required under the Ontario Building Code anywhere food is cooked, processed or prepared, and they have to be properly sized, installed and maintained. The City's <a data-mce-href="https://documents.ottawa.ca/sites/default/files/gr_trap_urban.pdf" href="https://documents.ottawa.ca/sites/default/files/gr_trap_urban.pdf" target="_blank" rel="noopener">Install and Maintain a Grease Trap </a>handout is the short version worth printing for your kitchen wall.Two separate rulebooks apply and people mix them up constantly. The <a data-mce-href="https://www.ontario.ca/page/2024-ontario-building-code" href="https://www.ontario.ca/page/2024-ontario-building-code" target="_blank" rel="noopener">Ontario Building Code </a>governs the interceptor itself, whether it is required, how it is sized and how it is installed. The <a data-mce-href="https://ottawa.ca/en/living-ottawa/laws-licences-and-permits/laws/laws-z/sewer-use-law-law-no-2025-94" href="https://ottawa.ca/en/living-ottawa/laws-licences-and-permits/laws/laws-z/sewer-use-law-law-no-2025-94" target="_blank" rel="noopener">City of Ottawa Sewer Use By-law, No. 2025-94</a>&nbsp; governs what actually leaves your building and goes into the City sewer. You can pass a building inspection and still be offside the Sewer Use By-law later if the unit never gets serviced.Worth knowing that the Sewer Use By-law number changed. By-law 2025-94 replaced the old 2003-514. If you are working from an older checklist or an old consultant report that cites 2003-514, that reference is stale.<h3>Does a cafe need a grease trap too?</h3>Usually yes, though often a much smaller one. The trigger is grease-producing fixtures, not the sign on the door.A cafe pulling espresso and selling pastries baked offsite has very little in the way of fats, oils and grease going down a drain, and the requirement scales down accordingly. Start doing paninis, breakfast sandwiches, soups or anything on a flat top, and you are producing grease-laden waste like any other kitchen. This is the same logic that decides your ventilation, and we walk through that split in our <a data-mce-href="https://noblestarconstruction.com/blog/type-1-vs-type-2-hood-ottawa" href="https://noblestarconstruction.com/blog/type-1-vs-type-2-hood-ottawa" target="_blank" rel="noopener">Type 1 vs Type 2 hood guide for Ottawa cafes and restaurants</a>. Menu drives equipment. Equipment drives code.Do not size the interceptor to the menu you are opening with if you plan to expand it in year two. Rebuilding an undersized interceptor after the floor is poured is one of the more expensive corrections in a fit-out.<h3>What size grease interceptor do you need?</h3>Sizing comes from the fixtures that discharge grease, not from your seat count or your square footage. The Building Code points to the CSA B481 series of standards for the material, sizing, selection and installation of grease interceptors, and B481.3 is the one that covers sizing calculations based on peak flow.In practice your mechanical designer or a licensed plumbing contractor totals up the grease-producing fixtures, works out peak flow and picks a certified unit from there. Two things that catch owners out.Only grease-producing fixtures should run through the interceptor. Routing your mop sink, your washrooms or your floor drains into it dilutes the flow, shortens the effective retention time and gets flagged on inspection.Dishwasher discharge is its own conversation. Hot water and detergent can push grease straight through an interceptor in liquid form so it re-solidifies in the City sewer downstream, which is the exact thing the by-law exists to prevent. How the dishwasher ties in has to be designed deliberately.<h3>Where does the interceptor go, inside or outside?</h3>It depends on the size, and the size depends on your kitchen. Small hydromechanical units sit indoors, close to the fixtures they serve, often under a sink or in the floor nearby. The Code wants the interceptor as close as possible to what it serves. Large gravity interceptors are concrete tanks that go in the ground outside.That indoor or outdoor decision has real consequences for your budget and your schedule, so settle it early.An indoor unit means floor coring, drain re-routing and losing usable kitchen floor area. In a tight downtown unit that floor space is not free.An outdoor in-ground tank means excavation, a service vehicle that can reach it and landlord permission to dig. If you are leasing a unit in a plaza, the right to excavate the parking area is not something you assume. It goes in the lease. This is exactly the kind of clause we tell tenants to look for in our post on <a data-mce-href="https://noblestarconstruction.com/blog/5-things-to-check-before-signing-a-commercial-lease-in-ottawa" href="https://noblestarconstruction.com/blog/5-things-to-check-before-signing-a-commercial-lease-in-ottawa" target="_blank" rel="noopener">5 things to check before signing a commercial lease in Ottawa.</a>Access for cleaning matters as much as the install. A tank you cannot reach with a pump truck is a tank that does not get serviced properly.<h3>Do you need a permit to install a grease interceptor in Ottawa?</h3>Yes. Interceptor work is plumbing work, and plumbing goes through the City's Building Code Services, not Ottawa Public Health. Which fee applies depends on whether the interceptor is a standalone change or part of a larger fit-up.<table style="border-collapse: collapse; width: 100%;" border="1"><tbody><tr><td style="width: 50%;">What you are permitting</td><td style="width: 50%;">Fee, effective January 1, 2026</td></tr><tr><td style="width: 50%;">Plumbing work only</td><td style="width: 50%;">$117 per application</td></tr><tr><td style="width: 50%;">Fit-up with no new floor area, plumbing included</td><td style="width: 50%;">$12.75 per $1,000 of assessed value of work, minimum $117</td></tr><tr><td style="width: 50%;">Grease interceptor supplied and installed</td><td style="width: 50%;">Roughly $5,000 to $25,000 depending on size and site</td></tr></tbody></table>The permit fees come from the <a data-mce-href="https://documents.ottawa.ca/sites/default/files/bldg_fee_schedule_en_0.pdf" href="https://documents.ottawa.ca/sites/default/files/bldg_fee_schedule_en_0.pdf" target="_blank" rel="noopener">City's Building Code Services Fee Schedule</a>. The install range is our own Ottawa field range, not a published City number, and it moves a lot with size, whether you are excavating and how much drain re-routing the existing slab forces on you.Almost nobody permits an interceptor on its own. It rides along with the rest of the fit-up, which is how the fee usually lands in the second row rather than the first. For the wider permit picture, our post on <a data-mce-href="https://noblestarconstruction.com/blog/what-permits-do-you-need-for-a-commercial-fit-up-in-ottawa" href="https://noblestarconstruction.com/blog/what-permits-do-you-need-for-a-commercial-fit-up-in-ottawa" target="_blank" rel="noopener">what permits you need for a commercial fit-up in Ottawa</a> lays out the full set.Ottawa Public Health is a separate review running in parallel, and it does care about the drainage layout. Plans to establish, build, change or significantly renovate a food premises need approval from a Public Health Inspector, and <a data-mce-href="https://www.ottawapublichealth.ca/en/professionals-and-partners/building-and-equipment-plan.aspx" href="https://www.ottawapublichealth.ca/en/professionals-and-partners/building-and-equipment-plan.aspx" target="_blank" rel="noopener">OPH asks for three copies of your building and equipment plan</a> showing every room and every piece of equipment. Their page is also explicit that a Public Health approval does not mean zoning, building or any other authority has signed off. Two reviews. Two desks. Both have to clear.<h3>How often does a grease interceptor have to be cleaned?</h3>On a set schedule, and the Sewer Use By-law sets the threshold rather than leaving it to judgment. Service is due before the accumulated solids and grease build up far enough to stop the unit working as designed, and the by-law also requires you to keep the maintenance records to prove it. A compliance officer can enter and inspect the interceptor and ask for those records.Confirm your exact servicing interval and the record retention period for your unit directly with the City's Sewer Use Program at 613-580-2424 extension 23326 or sup-pue@ottawa.ca, because the threshold in the by-law is specific and the answer depends on your interceptor's volume.Three habits keep kitchens out of trouble, and all three come straight from the City's own guidance. Use sink basket strainers on every drain. Scrape and wipe grease into the green bin or garbage before anything gets washed. Never use degreasers, emulsifiers or hot water to chase grease down a drain, because all you are doing is moving the problem into the City sewer where it costs more to fix.<h3>What happens if you skip it or neglect it?</h3>The by-law carries penalties and fines. That is the part owners expect. The part they do not expect is worse.If a sewer blockage happens, a public health inspector can close the restaurant until the repairs are done. That is the City's own stated consequence, and it is a closure with no notice, in the middle of service, with staff scheduled and product in the walk-in. A neglected interceptor is not a maintenance line item. It is a business continuity risk.There is a quieter cost too. Grease build-up in the sewer system raises City operating costs, which feeds back into sewer rates for every Ottawa business including yours.<h3>When should you deal with this in your fit-out schedule?</h3>Early, during design, before anyone touches the slab. Interceptor location is a slab and drainage decision, and slab work is the least reversible part of a restaurant fit-out.Restaurant construction in Ottawa typically runs 10 to 16 weeks, and an interceptor that gets designed properly at the front end is a normal line in that schedule. One discovered late is a change order, a re-core, a re-inspection and lost weeks. We see this most often in second-generation spaces where an owner assumes the previous tenant's interceptor is fine. Sometimes it is. Often it is undersized for the new menu, or it was never maintained and needs replacing. Check it before you sign, because a second-generation space can otherwise save you 30 to 50 percent against a cold shell and that is worth protecting.For how the whole sequence fits together, see our <a data-mce-href="https://noblestarconstruction.com/blog/cafe-and-restaurant-fit-out-ottawa" href="https://noblestarconstruction.com/blog/cafe-and-restaurant-fit-out-ottawa" target="_blank" rel="noopener">cafe and restaurant fit-out owner's guide for Ottawa</a>, the numbers in <a data-mce-href="https://noblestarconstruction.com/blog/restaurant-fit-up-cost-ottawa" href="https://noblestarconstruction.com/blog/restaurant-fit-up-cost-ottawa" target="_blank" rel="noopener">how much a restaurant fit-up costs in Ottawa</a> and <a data-mce-href="https://noblestarconstruction.com/blog/commercial-fit-out-ottawa-the-complete-2026-guide" href="https://noblestarconstruction.com/blog/commercial-fit-out-ottawa-the-complete-2026-guide" target="_blank" rel="noopener">the full Commercial Fit-Out in Ottawa complete 2026 guide</a>.<h3>FAQ</h3>1. Do I need a grease trap for my restaurant in Ottawa?Yes. The Ontario Building Code requires a properly sized grease interceptor anywhere food is cooked, processed or prepared, and the City of Ottawa Sewer Use By-law 2025-94 limits grease discharge to the sewer and is enforceable with penalties and fines.2. What size grease interceptor do I need?It is calculated from the peak flow of the fixtures that actually produce grease, using the CSA B481 series referenced by the Building Code. Your mechanical designer or a licensed plumbing contractor runs that calculation. Seat count and square footage do not determine it.3. Do I need a permit to install a grease interceptor in Ottawa?Yes. It is plumbing work permitted through the City's Building Code Services. Plumbing-only work is $117 per application as of January 1, 2026. If the interceptor is part of a larger fit-up it falls under the fit-up permit at $12.75 per $1,000 of assessed value of work, minimum $117.4. Does a coffee shop need a grease interceptor?Usually yes, though often a small one, and the requirement is driven by grease-producing fixtures rather than by the type of business. An espresso and pastry cafe generates very little. Add a flat top or a fryer and you are in the same territory as a full kitchen.5. How much does a grease interceptor cost in Ottawa?Supplied and installed, roughly $5,000 to $25,000 in our experience on Ottawa projects. The spread comes down to size, whether it goes indoors or in the ground outside and how much existing drainage has to be re-routed.6. Can I reuse the grease interceptor from the previous tenant?Sometimes, but verify it before you commit. It has to be correctly sized for your menu and equipment, not the last operator's, and it has to have been maintained. Have it inspected during your due diligence rather than after you sign the lease.<h3>Planning a restaurant or cafe fit-out in Ottawa?</h3>Noblestar Construction is a commercial fit-out general contractor in Ottawa. We build restaurant, cafe, retail, wellness, healthcare and office spaces, and we coordinate the City permit reviews, Ottawa Public Health and the licensed trades alongside the build so problems like this get solved on paper instead of in the slab. Call 613-790-6128 or <a data-mce-href="https://noblestarconstruction.com/explore/contact" href="https://noblestarconstruction.com/explore/contact" target="_blank" rel="noopener">book a fit-out consultation</a>.

Grease Trap Requirements Ottawa: Cost, Sizing and Permits for Restaurants in 2026

Outdoor café patio with wooden tables, wicker chairs, and Mediterranean coastal décor in afternoon golden light

To add outdoor seating to a cafe or restaurant in Ottawa you usually need a City permit, and which one depends on where the patio sits. Seating on the public sidewalk or road runs under the City's right of way patio program. Seating on your own property runs under the Zoning By-law. If you plan to serve alcohol outside you also need separate approval from the AGCO. Most street-facing patios can be permitted and built inside a single season if you start early, and the City only issues curbside and streetside patio permits from April 1 to October 31.That is the short version. Here is how each piece actually works, current as of July 2026.<h3>Do you need a permit to put a patio outside your restaurant in Ottawa?</h3>Yes, in almost every case. The type of permit comes down to whose land the patio sits on.If the seating goes on the public right of way, the sidewalk, a parking lane or the road, it falls under the City's right of way patio program and the <a data-mce-href="https://ottawa.ca/en/living-ottawa/laws-licences-and-permits/laws/laws-z/right-way-patio-law-no-2023-230" href="https://ottawa.ca/en/living-ottawa/laws-licences-and-permits/laws/laws-z/right-way-patio-law-no-2023-230" title="https://ottawa.ca/en/living-ottawa/laws-licences-and-permits/laws/laws-z/right-way-patio-law-no-2023-230">Right of Way Patio By-law 2023-230</a>. If the seating goes on private property, your own lot or a leased area of the plaza, it is governed by the Zoning By-law instead, and the patio has to meet the zoning for your property.There is a lighter option too. A <a data-mce-href="https://ottawa.ca/en/business/permits-and-licences/cafes-and-patios/cafe-seating-permit" href="https://ottawa.ca/en/business/permits-and-licences/cafes-and-patios/cafe-seating-permit" target="_blank" rel="noopener">cafe seating permit</a> covers limited seating one table deep on the sidewalk directly in front of your business, sized to your frontage and keeping a 2 metre pedestrian clearway. It is the simpler path for a coffee shop that just wants a few tables out front. A full <a data-mce-href="https://ottawa.ca/en/business/permits-and-licences/cafes-and-patios/right-way-patio-permit" href="https://ottawa.ca/en/business/permits-and-licences/cafes-and-patios/right-way-patio-permit" target="_blank" rel="noopener">right of way patio</a>, with a defined footprint and barriers, is the bigger build.<h3>What are the different patio types in Ottawa?</h3>Three routes cover most cafe and restaurant setups.A cafe seating permit is sidewalk seating one table deep in front of your unit, held to the 2 metre clearway. It is an annual permit valid April 1 to March 31.A right of way patio is a larger defined patio on the public right of way, curbside, streetside or on the sidewalk, with barriers around it. Curbside and streetside permits are issued only for the summer window, April 1 to October 31. There is also a separate winter patio season, November 1 to March 31, for eligible patios.A private property patio sits on land you own or lease and is reviewed against your zoning, not the right of way by-law. This is the route for a restaurant with its own side yard, rear courtyard or plaza pad.For any of them, the City has an Urban Design Guidelines for Commercial Patios document that shapes how furniture, partitions and planting are reviewed, on both private property and the right of way.<h3>How much does a patio permit cost in Ottawa?</h3>The cost depends on the program and the size of your patio. A right of way patio carries a one-time application and review fee, plus a monthly rental based on the area of public space your patio occupies. Cafe seating costs less because the footprint is small.One thing to know before you budget: the City has at times waived the monthly rental for right of way patios and cafe seating through its annual budget, so the rental you actually pay can change from season to season. Because these fees are set by by-law schedule and reviewed every year, confirm the current numbers for your footprint directly with the City when you apply, using the <a data-mce-href="https://ottawa.ca/en/business/permits-and-licences/cafes-and-patios/right-way-patio-permit" href="https://ottawa.ca/en/business/permits-and-licences/cafes-and-patios/right-way-patio-permit" target="_blank" rel="noopener">right of way patio permit page</a> or the <a data-mce-href="https://ottawa.ca/en/business/permits-and-licences/cafes-and-patios/cafe-seating-permit." href="https://ottawa.ca/en/business/permits-and-licences/cafes-and-patios/cafe-seating-permit." target="_blank" rel="noopener">cafe seating permit page</a>. You will also need commercial general liability insurance, and the required amount depends on the patio type and where it sits.<h3>Do you need a building permit to build the patio?</h3>Often no, but it depends on how the patio is built. The City's guidance on <a data-mce-href="https://ottawa.ca/en/planning-development-and-construction/building-and-renovating/do-i-need-building-permit/tents-patios-awnings-and-canopies" href="https://ottawa.ca/en/planning-development-and-construction/building-and-renovating/do-i-need-building-permit/tents-patios-awnings-and-canopies" target="_blank" rel="noopener">tents, patios, awnings and canopies</a> sets the line.A patio is exempt from a building permit if it sits directly on the ground, so it is not raised and not built on deck blocks, it does not push the occupant load past what the interior and exterior are allowed, and it does not block the existing exits or the barrier free access to the building. Raise that platform and the rules change. A deck or platform more than 600 millimetres above grade needs a building permit.Shade structures have their own thresholds. A tent is exempt if the tent or group of tents is 60 square metres or less in total ground area and sits more than 3 metres from other structures. An awning attached to the building is exempt if it projects no more than 300 millimetres from the wall. Anything bigger, a fixed roof, a pergola tied into the building, a large canopy, and you are back into permit territory. The City expedites permit approvals for tents, patios, awnings and canopies within about 5 business days.<h3>Can you serve alcohol on your patio?</h3>Only after the AGCO signs off on the outdoor area, and that is a separate step from your City patio permit. Under the AGCO's <a data-mce-href="https://www.agco.ca/en/alcohol/responsibilities-and-resources/guides/section-5-temporary-extension-liquor-sales-licence" href="https://www.agco.ca/en/alcohol/responsibilities-and-resources/guides/section-5-temporary-extension-liquor-sales-licence" target="_blank" rel="noopener">temporary patio extension</a>&nbsp; rules you need approval from the Registrar before you sell or serve outside. There is no licensing fee for the extension, but it has to be adjacent to your licensed premises and it can run up to eight months in a calendar year.Timing matters. Submit the complete application at least 30 days before you want to start serving outside, or it may not clear in time for opening weekend.The paperwork depends on the land. If the patio is on municipal property the AGCO wants a municipal agreement for the space, in Ottawa that is the right of way patio side. If the patio is on private property you need a letter from the landlord confirming the area is private and that they permit liquor licensing there. Any conditions already on your liquor licence carry over to the patio.<h3>What about accessibility?</h3>Ottawa patios have to keep the path clear for everyone. A right of way patio has to hold the 2 metre pedestrian clearway on the sidewalk, and no patio can block the barrier free access into the building. Public facing spaces also have to meet the accessibility requirements of the <a data-mce-href="https://www.ontario.ca/laws/statute/05a11" href="https://www.ontario.ca/laws/statute/05a11" target="_blank" rel="noopener">Accessibility for Ontarians with Disabilities Act</a>&nbsp; and the Ontario Building Code, so entrances, ramps and level changes get looked at. Build the patio so a wheelchair can get to it and through the door beside it, and you avoid a redesign later.<h3>What does a patio build actually involve?</h3>Beyond the permit, a patio that lasts more than one summer needs real construction thinking. A few things we plan for on Ottawa projects.Surface and levelling. A right of way patio often sits on a sloped sidewalk or road edge, so the deck or platform has to level out without becoming a raised structure that triggers a building permit. Get this wrong and you either fail the exemption or build something that wobbles.Barriers and wind. The by-law and design guidelines expect defined edges. Solid enough to mark the space and hold up to wind off the street, low enough to keep sightlines and not read as a wall.Power and lighting. Running power out to a patio for lighting, heaters or point of sale usually means a licensed electrical contractor and an ESA permit. Plan the routing before the surface goes down, not after.Weather protection. Ottawa shoulder seasons are cold. Umbrellas, retractable shade and patio heaters extend the useful weeks, but bigger fixed structures can cross into building permit territory, so the design and the permit path have to match.Storage and teardown. Curbside and streetside patios come down at the end of October. Build with sections you can move and store, not a one way install you have to demolish.<h3>How long does it take and when should you start?</h3>Start in late winter for a summer patio. The right of way season opens April 1, and review, insurance and any AGCO extension all take time. If alcohol is involved, back up at least 30 days from your first serving day for the AGCO alone, then add the City review and the build ahead of that. A patio you decide on in June is usually a patio for next year.This is the kind of sequencing we handle on cafe and restaurant fit-outs, lining up the City review, the trades and the build so the space opens on schedule. For the full picture on permits, trades and timelines inside the building, see our <a data-mce-href="https://noblestarconstruction.com/blog/cafe-and-restaurant-fit-out-ottawa" href="https://noblestarconstruction.com/blog/cafe-and-restaurant-fit-out-ottawa" target="_blank" rel="noopener">Cafe and Restaurant Fit-Out in Ottawa owner's guide</a> and the broader <a data-mce-href="https://noblestarconstruction.com/blog/commercial-fit-out-ottawa-the-complete-2026-guide" href="https://noblestarconstruction.com/blog/commercial-fit-out-ottawa-the-complete-2026-guide" target="_blank" rel="noopener">Commercial Fit-Out in Ottawa complete 2026 guide</a>. For what the interior work needs on the permit side, our post on <a data-mce-href="https://noblestarconstruction.com/blog/what-permits-do-you-need-for-a-commercial-fit-up-in-ottawa" href="https://noblestarconstruction.com/blog/what-permits-do-you-need-for-a-commercial-fit-up-in-ottawa" target="_blank" rel="noopener">permits for a commercial fit-up in Ottawa</a>&nbsp;walks through it.<h3>FAQ</h3>Do I need a permit for a patio in front of my Ottawa restaurant? Yes. If it is on the sidewalk or road you need a right of way patio permit or a cafe seating permit. If it is on your own property it is reviewed under the Zoning By-law. Serving alcohol needs separate AGCO approval on top of the City permit.How much is a patio permit in Ottawa? A right of way patio has a one-time application and review fee plus a monthly rental based on your patio's area, though the City has at times waived that monthly rental through its annual budget. Cafe seating costs less because the footprint is smaller. The fees are set by by-law and reviewed every year, so confirm the current schedule with the City when you apply.When can I have a patio on the sidewalk in Ottawa? Curbside and streetside right of way patios are only permitted from April 1 to October 31. Cafe seating permits run annually April 1 to March 31. There is a separate winter patio season for eligible right of way patios from November 1 to March 31.Can I serve alcohol on a patio in Ottawa? Only with AGCO approval of the outdoor area. Apply for a temporary patio extension at least 30 days before you plan to serve. There is no licensing fee, but you need a municipal agreement for a public patio or a landlord letter for a private one.Do I need a building permit to build a patio? Not if the patio sits directly on the ground, stays within occupant load, and does not block exits or barrier free access. A raised platform more than 600 millimetres above grade, a large tent over 60 square metres, or a fixed roof structure will need a building permit.Can I put a patio on private property instead of the sidewalk? Yes. A private property patio is reviewed against your Zoning By-law rather than the right of way by-law. It still has to meet accessibility and building rules, and if you serve alcohol you need a landlord letter for the AGCO.<h3>Thinking about adding a patio for next season? </h3>Noblestar Construction is a commercial fit-out general contractor in Ottawa. We build cafe, restaurant, retail, wellness, healthcare and office spaces, and we handle the City review and trades alongside the build. Reach us at 613-790-6128 or <a data-mce-href="https://noblestarconstruction.com/explore/contact" href="https://noblestarconstruction.com/explore/contact" target="_blank" rel="noopener">book a fit-out consultation</a> for your Ottawa project

Patio Permit Ottawa: How to Add Outdoor Seating to a Cafe or Restaurant in 2026

Close-up of commercial kitchen ventilation hood system showing stainless steel ducting and filter components

Which hood you need comes down to what you cook, not what you cook it on. If your equipment throws off grease-laden vapour or smoke, a fryer, flat top, charbroiler, wok or open-flame range, Ontario code requires a Type 1 grease hood with a UL 300 fire suppression system built to NFPA 96, plus matched make-up air. If your equipment only produces heat and steam, like a dishwasher, a small combi oven or an espresso machine, a Type 2 condensate hood covers it, and plenty of Ottawa cafes need no commercial hood at all. Get this wrong and you fail inspection before you sell a single coffee.This is one of the first questions we settle on a <a data-mce-href="https://noblestarconstruction.com/blog/cafe-and-restaurant-fit-out-ottawa" href="https://noblestarconstruction.com/blog/cafe-and-restaurant-fit-out-ottawa" target="_blank" rel="noopener">cafe or restaurant fit-out</a>, because the answer shapes your budget, your ceiling space, your rooftop and your electrical load. Here is how it actually works in Ottawa.<h3>What is the difference between a Type 1 and Type 2 hood?</h3>A Type 1 hood is a grease hood. It captures grease-laden vapour, smoke and the heat that comes with high-temperature cooking, pulls the grease out through baffle filters, drains it into a trough, and vents the rest above the roofline. Because it is handling flammable grease, a Type 1 hood is not just a canopy. It is a fire-rated system with welded stainless ductwork and a suppression system tied into it.A Type 2 hood is a condensate hood. It removes heat, steam and moisture from things like a dishwasher, a pasta cooker or a steam oven. It has no grease filter and no fire suppression, and it cannot be installed over grease-producing equipment. Put a Type 2 hood over a fryer and you have built one of the most dangerous setups in a commercial kitchen, and an inspector will shut it down.Here is the short version:<table style="border-collapse: collapse; width: 100%;" border="1" data-mce-style="border-collapse: collapse; width: 100%;"><tbody><tr><td style="width: 33.3325%;" data-mce-style="width: 33.3325%;"> </td><td style="width: 33.3325%;" data-mce-style="width: 33.3325%;">&nbsp;Type 1 (grease hood)</td><td style="width: 33.335%;" data-mce-style="width: 33.335%;">&nbsp;Type 2 (condensate hood)</td></tr><tr><td style="width: 33.3325%;" data-mce-style="width: 33.3325%;">Handles</td><td style="width: 33.3325%;" data-mce-style="width: 33.3325%;">Grease-laden vapour, smoke, heat&nbsp;</td><td style="width: 33.335%;" data-mce-style="width: 33.335%;">Heat, steam, moisture only</td></tr><tr><td style="width: 33.3325%;" data-mce-style="width: 33.3325%;">Goes over</td><td style="width: 33.3325%;" data-mce-style="width: 33.3325%;">Fryers, flat tops, charbroilers, woks, open-flame ranges</td><td style="width: 33.335%;" data-mce-style="width: 33.335%;">Dishwashers, some ovens, steam equipment</td></tr><tr><td style="width: 33.3325%;" data-mce-style="width: 33.3325%;">Grease filters</td><td style="width: 33.3325%;" data-mce-style="width: 33.3325%;">Yes, baffle type</td><td style="width: 33.335%;" data-mce-style="width: 33.335%;">No</td></tr><tr><td style="width: 33.3325%;" data-mce-style="width: 33.3325%;">Fire suppression</td><td style="width: 33.3325%;" data-mce-style="width: 33.3325%;">Required (UL 300 to NFPA 96)</td><td style="width: 33.335%;" data-mce-style="width: 33.335%;">&nbsp;Not required</td></tr><tr><td style="width: 33.3325%;" data-mce-style="width: 33.3325%;">Ductwork</td><td style="width: 33.3325%;" data-mce-style="width: 33.3325%;">Welded stainless, to roof</td><td style="width: 33.335%;" data-mce-style="width: 33.335%;">&nbsp;Simpler, lower spec</td></tr></tbody></table><h3>Does my Ottawa cafe need a commercial hood?</h3>Often, no. A cafe running espresso, pulling shots, warming pastries and plating cold items usually needs no commercial hood at all, or at most a Type 2 over a steam or dishwashing setup. The espresso machine is not the problem. The moment grease enters the picture, the answer changes.Add a panini press, a small flat griddle for breakfast sandwiches or a fryer for a lunch menu, and you have crossed into Type 1 territory. That single menu decision can swing your build by tens of thousands of dollars, so it is worth deciding early rather than after the space is designed. The safest move is to lock your equipment list first, then confirm the hood requirement with the City of Ottawa and Ottawa Public Health before you sign anything.<h3>Which hood does a full-service restaurant need?</h3>A Type 1, almost always. Any restaurant cooking on a flat top, fryer, charbroiler, wok or open flame produces grease-laden vapour, and Ontario code treats that as a Type 1 requirement with fire suppression. This is the standard setup we build for Ottawa restaurants, and it is the single biggest mechanical line item in most <a data-mce-href="https://noblestarconstruction.com/blog/restaurant-fit-up-cost-ottawa" href="https://noblestarconstruction.com/blog/restaurant-fit-up-cost-ottawa" target="_blank" rel="noopener">restaurant fit-outs</a>.The Type 1 system is more than the hood. It is the canopy, the baffle filters, the welded stainless exhaust duct running to a rooftop exhaust fan, the make-up air unit feeding tempered air back in, and the UL 300 suppression system that ties the whole thing together.<h3>What does Ontario code actually require here?</h3>The <a data-mce-href="https://www.ontario.ca/page/ontarios-building-code" href="https://www.ontario.ca/page/ontarios-building-code" target="_blank" rel="noopener">Ontario Building Code</a> requires commercial cooking equipment to be served by a ventilation system built to conform to NFPA 96, the standard for ventilation control and fire protection of commercial cooking operations. That is the backbone of the whole thing. On top of that, the Ontario Fire Code requires fire suppression on kitchen exhaust systems handling open flame or grease-laden vapour.For the suppression system itself, NFPA 96 points to UL 300. A UL 300 system uses a wet chemical agent designed for modern high-temperature cooking oils. It smothers the fire and cools the oil so it cannot reignite, which older dry-chemical systems could not reliably do. A compliant setup includes suppression nozzles in the hood, ducts and over each cooking appliance, automatic gas and electric shut-off when it discharges, and a manual pull station in the kitchen. You also need a Class K portable extinguisher within reach of the fryer, and the suppression system has to be serviced by a licensed fire protection contractor twice a year.None of this is optional. It is what an <a data-mce-href="https://ottawa.ca/en/planning-development-and-construction/building-and-renovating/building-permit-approval-process/applying-building-permit" href="https://ottawa.ca/en/planning-development-and-construction/building-and-renovating/building-permit-approval-process/applying-building-permit" target="_blank" rel="noopener" data-mce-selected="inline-boundary">Ottawa building permit</a>, a fire inspection and your insurer will all look for.<h3>What is make-up air and why does it matter?</h3>A Type 1 hood pulls a large volume of air out of your kitchen. That air has to come back in from somewhere, and that is the job of a make-up air unit. As a rule of thumb the make-up air replaces most of what the hood exhausts, usually in the range of 80 to 90 percent of the exhaust volume.Skip it or undersize it and you create negative pressure. Doors get hard to open, exhaust fans stop moving air properly, and combustion appliances can backdraft. In Ottawa there is a second reason it matters. That incoming air has to be heated through our winters, so a proper make-up air unit tempers the air before it enters the kitchen. This is why a Type 1 system is a package and not just a hood hung from the ceiling.<h3>Does electric equipment still need a Type 1 hood?</h3>Yes, if it produces grease. There is a common myth that switching from gas to electric lets you skip the grease hood. Code does not care about your fuel source. It cares about what you are cooking. An electric flat top searing burgers throws off the same grease-laden vapour as a gas one, so it needs a Type 1 hood either way. Where electric equipment can help is with the service upgrade and gas line, not with the hood itself.<h3>How much does a commercial hood cost in Ottawa?</h3>A full Type 1 system installed in Ottawa runs roughly $40,000 to $120,000, current as of 2026. That is a wide range because it depends on the length of your cook line, how far the duct has to travel to the roof, the size of the make-up air unit and whether your rooftop and electrical can take it.The cost drivers that move you toward the top of that range:<ul><li>A long cook line with several appliances needing full-length coverage.</li><li>A long or awkward duct run to the roof, especially in a multi-tenant building.</li><li>A larger make-up air unit with heating for Ottawa winters.</li><li>A rooftop that needs structural or curb work to carry the exhaust fan.</li></ul>A Type 2 condensate hood is a much smaller cost, since it has no suppression system and simpler ductwork. And if your cafe concept needs no commercial hood at all, that is one of the biggest line items you get to avoid, which is a real advantage of a lighter menu.If you are weighing a menu that needs a full grease hood against one that does not, that decision belongs at the concept stage, not after the drawings are done.<h3>FAQ</h3><ol><li>Do I need a hood for a coffee shop with just an espresso machine? Usually not. An espresso machine produces steam, not grease, so it does not trigger a Type 1 hood. If you add grease cooking later, that changes. Confirm your specific equipment list with the City and Ottawa Public Health before you build.</li><li>Can I put a Type 2 hood over my fryer to save money? No. A Type 2 hood has no grease filter and no fire suppression and cannot legally sit over grease-producing equipment. It will fail inspection and it is a serious fire risk.</li><li>Does a pizza oven need a Type 1 hood? It depends on the oven and what goes in it. A high-heat oven cooking greasy toppings generally needs a Type 1 hood. Some listed electric or conveyor ovens are treated differently. This is exactly the kind of item to confirm before you buy the oven.</li><li>What is UL 300 and do I have to have it? UL 300 is the fire testing standard for wet chemical suppression systems over commercial cooking equipment. If you have a Type 1 hood over grease appliances, NFPA 96 requires a UL 300 system. It is required, and your insurer will look for it too.</li><li>How often does the suppression system need servicing? A licensed fire protection contractor should service and certify the UL 300 system twice a year. Your hood and ductwork also need regular cleaning based on your cooking volume under NFPA 96.</li><li>Can I avoid a hood entirely with ventless equipment? Sometimes, for a very light concept. Some ventless appliances are built for this, but they are limited in what they can do and the City has the final say. For most restaurants with a real cook line, a Type 1 hood is not something you can design around.</li></ol>Noblestar Construction is a commercial fit-out general contractor in Ottawa. We build restaurant, cafe, retail, wellness, healthcare and office spaces across Ottawa and Ontario, and we coordinate the hood, make-up air and fire suppression as part of <a data-mce-href="https://noblestarconstruction.com/blog/commercial-fit-out-ottawa-the-complete-2026-guide" href="https://noblestarconstruction.com/blog/commercial-fit-out-ottawa-the-complete-2026-guide" target="_blank" rel="noopener">the full fit-out </a>so it passes inspection the first time. If you are working out which hood your concept needs, book a fit-out consultation.&nbsp;

Type 1 vs Type 2 Hood: Which Does Your Ottawa Cafe or Restaurant Need in 2026?

A commercial contractor in Ottawa is a licensed and insured company that builds out, renovates or retrofits non-residential space such as restaurants, retail stores, offices, clinics and wellness studios. They pull the permits, run the Ontario Building Code compliance, coordinate every trade on site and hand you a finished space ready for occupancy. In Ottawa most commercial work falls into four buckets: general contractors, design-build firms, construction managers and tenant fit-out specialists. Which one you need depends on whether you already have a finished drawing set, how much risk you want to carry and how complex your space is.That is the short answer. Below is the full picture, including what these firms actually cost in Ottawa right now and how to tell a serious contractor from one who will leave you with a half-built unit and a stack of liens.<h3>What a commercial contractor actually does </h3>People assume a contractor just swings hammers. On a commercial project the build is maybe half the job. The rest is coordination and compliance, and that is where most projects go sideways.A commercial contractor in Ottawa is responsible for pulling the building permit through the City of Ottawa, making sure the work meets the current Ontario Building Code, and managing the licensed sub-trades for mechanical, electrical and plumbing. They handle ESA electrical inspections, fire code requirements, barrier-free washroom rules and the final occupancy sign-off. They also carry the insurance and WSIB coverage that protects you if someone gets hurt on your site.The good ones manage your schedule and your money as carefully as the drywall. They know the Construction Act, they invoice properly, they hold back the right amounts and they close the project clean so you can open on time.<h3>The four types of commercial contractors, and which you need</h3> General contractor The standard model. You bring finished drawings, the contractor prices the work, signs a fixed contract and builds it. Best when your design is already done and you want a clear price before you start. Most retail and office fit-outs run this way.Design-build contractor One firm handles both the design and the construction under a single contract. You skip the gap between architect and builder, which usually means fewer surprises and a faster start. Good fit when you have a concept but no drawings yet, or when speed matters more than getting three separate bids.Construction manager The contractor comes in early as an advisor, helps with budgeting and constructability while the design is still moving, then manages the trades during the build. Common on larger or more complicated projects where you want cost certainty before committing.Tenant fit-out specialist A contractor focused specifically on commercial interiors inside an existing building. Restaurants, cafes, clinics, studios and franchise build-outs. This is its own discipline because the work happens inside a live or leased space, on a landlord's schedule, with base building constraints that a ground-up builder does not deal with. If you are an Ottawa business taking over a unit in a plaza or office tower, this is almost always who you want.<h3>What it costs to hire a commercial contractor in Ottawa in 2026</h3> Real talk: anyone who gives you a firm price without seeing your space and your drawings is guessing. The honest answer is that it depends, and it depends on a lot. Your use, the condition of the unit, how much mechanical and electrical work is needed, the finishes you choose and what the landlord already provides can each swing the total dramatically. The ranges below are rough planning numbers only, meant to help you budget at the napkin stage, not a quote. Two projects of the same size can land far apart. The only real number comes from a site walkthrough on your specific space.<ul><li>Basic office fit-out: anywhere from about $80 to $275 per square foot. A light cosmetic refresh on open plan sits near the bottom. Lots of private offices, glass walls and upgraded finishes push it to the top, and beyond if the base building needs work.</li><li>Retail fit-out: roughly $100 to $200 per square foot, depending on storefront work, fixtures, lighting and any food handling.</li><li>Restaurant and food service: the widest of them all, anywhere from about $150 to $400-plus per square foot. The kitchen drives it. Exhaust and makeup air, grease interceptors, refrigeration, gas and the electrical service upgrade that often comes with all of it. A simple grab-and-go concept and a full-service kitchen are not in the same universe.</li><li>Wellness, medical and clinical: very wide, roughly $80 to $350-plus per square foot depending on plumbing runs, specialty equipment and the level of finish.</li></ul>A few things move these numbers more than people expect. An electrical service upgrade, a change of use that triggers Building Code upgrades, hazmat in an older building, or a base building that is in rough shape can each add real money. A walkthrough with a contractor before you sign your lease is the cheapest insurance you can buy.<h3>How long the work takes</h3> A straightforward fit-out can run six to twelve weeks once permits are in hand. The permit timeline itself is often the wild card, and so is anything that needs a landlord approval or a service upgrade from the utility. We broke the full timeline down here: <a data-mce-href="https://noblestarconstruction.com/blog/how-long-commercial-fit-out-take-ottawa" href="https://noblestarconstruction.com/blog/how-long-commercial-fit-out-take-ottawa" target="_blank" rel="noopener">How Long Does a Commercial Fit-Out Take in Ottawa?.</a> Read it before you commit to an opening date, because the date you promise your staff and your landlord is the one thing you cannot easily move later.<h3>How to vet a commercial contractor in Ottawa</h3>Ontario does not have a single provincial license for commercial general contractors the way it does for new home builders. That surprises people. It means the screening is on you, and it matters. Here is the short version. For the full checklist see our guide on <a data-mce-href="https://noblestarconstruction.com/blog/how-to-choose-commercial-general-contractor-ottawa" href="https://noblestarconstruction.com/blog/how-to-choose-commercial-general-contractor-ottawa" target="_blank" rel="noopener">how to choose a commercial general contractor in Ottawa.</a> Ask for and actually confirm:<ul><li>Commercial general liability insurance, with a certificate naming the right amount of coverage.</li><li>A clearance certificate from WSIB, current and in the company's name.</li><li>References from recent commercial projects, ideally in your sector. Call them.</li><li>Proof they understand the Construction Act, including prompt payment and holdback. A contractor who shrugs at this is a contractor who will cause you problems at closeout.</li><li>COR or a real safety program if your project is larger or in a building with other tenants.</li><li>Financial capacity to carry your project. A firm stretched thin will stall when their cash does.</li></ul>Licensed sub-trades are non-negotiable. Electrical work needs a Licensed Electrical Contractor and an ESA inspection. Plumbing and gas need the proper tickets. A contractor who is loose about this is putting your occupancy permit at risk.Red flags to watch for<ul><li>A price that comes in far below everyone else. It usually means scope is missing, and you will pay for it later in change orders.</li><li>No written scope of work. If it is not in the contract, it is not getting built.</li><li>Reluctance to put insurance and WSIB in your hands.</li><li>Vague answers on permits and inspections. </li></ul>Questions to ask before you sign<ul><li>Who pulls the permit, you or me, and is it in your fee?</li><li>What is your scope, in writing, and what is excluded? </li><li>How do you handle change orders and what is your markup?</li><li>Can I see a recent project?</li></ul><h3>Commercial contractors in Ottawa: common questions</h3>Do I need a permit for a commercial fit-out in Ottawa? Almost always, yes. Most interior work that touches walls, plumbing, electrical or the building's use needs a permit from the City of Ottawa. A change of use can trigger Building Code upgrades even if you are not moving a single wall. What is the difference between a contractor and a general contractor? A general contractor takes responsibility for the whole project and manages all the trades under one contract. A contractor can mean a single trade, like an electrician or a framer. For a full build-out you want a general contractor or a design-build firm. How do I find a good commercial contractor in Ottawa? Start with contractors who specialize in your type of space, confirm insurance and WSIB, check recent references in your sector and make sure they understand the permit and Construction Act side. Specialization beats a generalist who does a bit of everything. Can a commercial contractor handle the design too? A design-build contractor can. You get design and construction under one roof and one contract, which usually means a faster start and fewer gaps between the drawings and the build.Working with NoblestarNoblestar Construction is a commercial-only general contractor in Ottawa. We focus entirely on commercial fit-outs and retrofits across restaurants, cafes, retail, franchise build-outs, wellness studios, healthcare and office space in Ottawa and Eastern Ontario. We pull the permits, run the Building Code compliance, manage the licensed trades and close the project clean so you open on time.If you are sizing up a unit or already have drawings in hand, a quick walkthrough will tell you what the space really needs before you sign anything. Reach us at info@noblestarconstruction.com or 613-790-6128.By Farshid - Managing Partner - Last reviewed June 2026.

Commercial Contractors in Ottawa: Types, Costs and How to Vet One (2026)

Cafe and Restaurant Fit-Out in Ottawa: The 2026 Owner's Guide

Choosing the wrong commercial general contractor is one of the most expensive mistakes a business owner can make in Ottawa. We have seen tenants pay twice for the same scope, lose months to permit issues that should have been flagged on day one, and watch projects stall because a low bidder cut corners they should have priced. This guide walks you through how to vet a commercial GC properly. The credentials to verify, the questions to ask, the red flags that disqualify a contractor, what a real quote should contain and the Ottawa-specific factors that change everything. The version we would want a client to read before signing anything (with us or anyone else).<h3>What a commercial general contractor actually does </h3>A commercial GC is not a tradesperson with a bigger truck. The job is coordination and accountability. A real commercial general contractor in Ottawa runs every phase of your build from pre-construction through occupancy. That covers pre-construction work like drawing review, constructability analysis and permit strategy. Procurement, including subtrade tendering and long-lead equipment coordination. Daily site management covering trade scheduling, quality control, safety compliance and RFIs. Ongoing client reporting on schedule, budget and change orders. And closeout, which includes final inspections, occupancy permit, warranty documentation, deficiency lists and holdback release. The reason this matters: when something goes wrong, and on commercial projects something always goes wrong, you do not want six phone numbers to call. A proper GC owns the outcome. They flag problems before they become invoices. If you are new to the process, our <a data-mce-href="https://noblestarconstruction.com/blog/commercial-fit-out-ottawa-the-complete-2026-guide" href="https://noblestarconstruction.com/blog/commercial-fit-out-ottawa-the-complete-2026-guide" target="_blank" rel="noopener">Commercial Fit-Out in Ottawa: The Complete 2026 Guide</a> covers the full lifecycle from feasibility through occupancy.<h3>Commercial vs residential is not the same job</h3>The market is full of contractors who do "residential and commercial." For most fit-outs that sounds fine on paper. The moment you are dealing with commercial leases, landlord work letters, CCDC contracts, prompt payment legislation, AODA compliance and an Ontario Building Code occupancy classification, the gap becomes obvious fast. Residential GCs are often unfamiliar with construction lien holdback specific to leasehold improvements, the difference between Group D and Group A occupancies, the documentation a landlord will require to issue a tenant allowance, or the closeout package needed to release the final 10% lien holdback. Ask any commercial contractor for three Ottawa commercial references in the past 18 months. If they cannot produce them, they are a residential contractor moonlighting on commercial work. Move on.<h3>Credentials to verify before the first site meeting </h3>The threshold for legitimacy in Ottawa commercial construction is higher than residential. Skip these checks at your peril. WSIB clearance certificate. Every contractor and subtrade working on your site must carry <a data-mce-href="https://www.wsib.ca/en" href="https://www.wsib.ca/en" target="_blank" rel="noopener">Workplace Safety and Insurance Board</a> coverage. If a worker is hurt on your premises and the contractor is not covered, the building owner can be liable. WSIB clearance certificates are free, easy to pull and dated. If a contractor hesitates to produce one, that is your answer. Commercial general liability insurance. Minimum $2M is standard for fit-outs in Ottawa. Ground-up or institutional projects should carry $5M or higher. Ask for a Certificate of Insurance with your business named as additional insured for the duration of the project. Trade licensing for MEP subcontractors. Electrical and plumbing work in Ontario must be performed by trades licensed under their respective provincial trade acts. Your GC should be able to confirm licensing for every mechanical, electrical and plumbing subtrade on the project, on request, before mobilization. Unlicensed work will not pass inspection. The liability falls on you, the building owner. Business legitimacy. Verify the legal corporate name, HST registration and years in business. A real commercial contractor produces all of this without scrambling. Search the Ontario corporation registry if you have any doubt. Bondability. For projects above roughly $500K, ask whether the contractor can post a performance bond and a labour and material payment bond. This is not always necessary, but the answer tells you a lot about their financial standing. A bondable contractor has been vetted by a surety company. That is a meaningful third-party signal.<h3>11 questions to ask before you hire a commercial GC in Ottawa</h3>Each of these questions reveals something specific about how a contractor operates. Pay as much attention to how they answer as what they answer. 1. How many commercial projects of this type have you completed in the last 24 months in Ottawa? Volume matters less than recency and specificity. A contractor who does one or two restaurant fit-outs a year is sharper on restaurant work than someone who did six in 2019 and none since. 2. Can I see three references from comparable commercial projects? Not residential renovations. Not five-year-old projects. Comparable scope, comparable size, in the past 18 to 24 months. Then call those references. 3. Will you handle the permit process or is that on me? A real commercial GC handles building permits, occupancy permits and trade permits as part of the contract. They know which Ottawa wards run faster on review, what triggers a Committee of Adjustment requirement and when an architect's stamp is mandatory. For more on what is required, see our breakdown on What Permits Do You Need for a Commercial Fit-Up in Ottawa?. 4. What CCDC contract are you proposing and what supplementary conditions apply? The Canadian Construction Documents Committee publishes the standard contracts the industry runs on. CCDC 2 (Stipulated Price) is most common for fit-outs. CCDC 5A and 5B cover construction management. CCDC 14 is design-build. Ask which is being proposed and request a copy of the supplementary conditions in advance. The Canadian Construction Association maintains useful resources on these documents. 5. How do you structure change orders? Every change order should be priced (labour, material and markup), scheduled (impact on completion date) and signed before any work proceeds. Ask for a sample. If they say "we will figure it out as we go," walk away. 6. What is your subtrade strategy? Same crews each time or do you tender every project? There is no wrong answer. Long-term subtrade relationships mean predictable quality and pricing. Tendering every project means competitive pricing but more variable execution. What matters is that the GC has a clear answer and can explain why. 7. Who is my project manager and how often will I hear from them? A name. A phone number. A defined cadence. Weekly progress reports are standard. If your GC cannot tell you who is running your project before you sign, they do not have a real PM team. 8. What does your closeout process look like? Closeout is where weak GCs disappear. Ask about deficiency lists (also called punch lists), occupancy permit coordination, warranty documentation, as-built drawings and the final 10% holdback release timeline. A real closeout package includes operating manuals, warranties, balance reports for HVAC and certificates from the Electrical Safety Authority. 9. How do you handle holdback and prompt payment under the Construction Act? Ontario's Construction Act requires owners to pay general contractors within 28 days of a proper invoice. GCs must pay subs within 7 days of receiving owner payment. The 10% statutory holdback is mandatory. As of January 1, 2026, new amendments under Bill 60 require annual holdback release on contracts longer than one year. A commercial GC should speak fluently about all of this. 10. What happens if the project goes over budget? Look for an answer about contingency, change order management, value engineering and clear communication. The wrong answer is "it will not go over budget." Every commercial project encounters surprises. The question is how they are managed. 11. Can I see a sample weekly progress report? Real commercial GCs run real reporting. Schedule status, percent complete, RFI log, change order log, photo documentation and upcoming look-ahead. If a contractor cannot produce a sample because "every project is different," they do not have a system.<h3>Red flags that disqualify a commercial contractor</h3> After running projects across Ottawa across restaurants, wellness, retail, healthcare and franchise build-outs, these are the patterns we have seen lead to expensive problems.A bid that comes in 15 to 20% below the others. Almost never a deal. It is missing scope. The contractor is planning to recover margin through change orders once construction is underway. Itemize and compare line by line. If you cannot see what is missing, ask.A one-page lump-sum quote with no breakdown. Commercial scopes are too complex for that. You should see categories or CSI divisions, allowances, exclusions and assumptions.Reluctance to provide WSIB clearance, insurance certificates or references on first request. Anyone real has these on hand.No written change order process or no project management software. If the system to manage scope creep does not exist on paper, it does not exist on the job either.A track record entirely in residential. Look at their portfolio. If commercial is "and we also do" rather than the main event, you are hiring the wrong company.No one named as your project manager. Vague phrases like "our team will handle it" mean no one is accountable.Pressure tactics. "This price is good for 48 hours." Real commercial pricing reflects current market conditions. Fair, but not pressured.<h3>How to read a commercial quote properly</h3> A real commercial quote in Ottawa includes:A scope of work organized by CSI division or trade category, not lumped together. Concrete, masonry, metals, woods and plastics, thermal and moisture protection, doors and windows, finishes, specialties, equipment, mechanical, electrical and plumbing. For a fit-out, expect 12 to 16 categories at minimum.A schedule of values showing what each portion of the work costs.Identified exclusions and assumptions. Things like "data cabling by others" or "landlord to provide curtain wall penetration." Exclusions are not a negative. They are a signal that the contractor has thought through the scope.Allowances clearly called out. Allowances are placeholder budgets for items not yet specified, typically finishes, lighting fixtures or specialty equipment. They should be itemized, not buried.Permits, insurance and bonding as line items, not absorbed into markup.Holdback structure showing the 10% statutory holdback under the Construction Act.A payment schedule tied to milestones or progress draws.If you are getting a $400,000 bid on a single page with no breakdown, that is not a quote. That is a guess. Walk away or ask for a proper schedule of values.For a real example of how cost categories break down on a typical commercial project, see our breakdown on <a data-mce-href="https://noblestarconstruction.com/blog/restaurant-fit-up-cost-ottawa" href="https://noblestarconstruction.com/blog/restaurant-fit-up-cost-ottawa" target="_blank" rel="noopener">How Much Does a Restaurant Fit-Up Cost in Ottawa in 2026</a>?.<h3>Ottawa-specific factors that change the math</h3> A few things make commercial construction in Ottawa different from Toronto, Mississauga or Kingston.Permit timelines vary by use type and zone. Standard tenant fit-ups in zoned commercial districts move faster than restaurants, assembly occupancies or anything that triggers an electrical or HVAC change-of-use review. Heritage districts (ByWard Market, Sandy Hill, parts of the Glebe) add a heritage review layer.Landlord deliverables vary widely. Class A office buildings on Albert and Slater have detailed work letters defining base building scope. Strip retail plazas often hand you a slab and four walls. Standalone buildings are an entirely different conversation. Whatever you get, your GC should be reading the work letter against the construction documents and identifying gaps before mobilization. <a data-mce-href="https://noblestarconstruction.com/blog/5-things-to-check-before-signing-a-commercial-lease-in-ottawa" href="https://noblestarconstruction.com/blog/5-things-to-check-before-signing-a-commercial-lease-in-ottawa" target="_blank" rel="noopener">Our post on 5 Things to Check Before Signing a Commercial Lease in Ottawa</a> covers what to verify upfront.The Tenant Improvement Allowance drives the contract structure. Some landlords reimburse on receipts. Others pay a lump sum on substantial completion. The accounting treatment matters for your contractor's draw schedule. For more on negotiating allowances in Ottawa, read <a data-mce-href="https://noblestarconstruction.com/blog/tenant-improvement-allowance-ottawa-negotiation-guide" href="https://noblestarconstruction.com/blog/tenant-improvement-allowance-ottawa-negotiation-guide" target="_blank" rel="noopener">Tenant Improvement Allowance in Ottawa.</a>Project timelines need to account for permit and trade availability. A 4,000 sq ft restaurant fit-up that takes 12 weeks of construction often takes 18 to 22 weeks once you add permit lead time, long-lead HVAC equipment and the closeout cycle. We have broken down realistic timelines in <a data-mce-href="https://noblestarconstruction.com/blog/how-long-commercial-fit-out-take-ottawa" href="https://noblestarconstruction.com/blog/how-long-commercial-fit-out-take-ottawa" target="_blank" rel="noopener">How Long Does a Commercial Fit-Out Take in Ottawa?</a>.<h3>Frequently asked questions</h3> How much does a commercial general contractor cost in Ottawa? Commercial GC fees in Ottawa typically range from 15% to 25% of construction cost, depending on project size, complexity and contract type. Most established commercial fit-out contractors land in the 15% to 20% band on mid-size projects, with smaller or more complex jobs trending higher. Stipulated price contracts roll the fee into a fixed total. Construction management contracts break the fee out separately as a percentage or fixed amount.Do I need a commercial GC for a small fit-out? For anything over roughly 1,500 sq ft or anything that touches structural, mechanical, electrical or plumbing systems, yes. Below that, owner-managed projects with individual trades can work, but you take on permit responsibility, scheduling risk and lien exposure yourself.What is the difference between a general contractor and a construction manager? A general contractor signs a fixed-price contract and carries the risk of cost overruns and trade coordination. A construction manager works on a fee basis as the owner's agent, with the owner holding direct contracts with the trades. Both have a place. The right model depends on project size, schedule pressure and how much risk the owner wants to carry.How long does it take to hire a commercial general contractor in Ottawa? From request for quote to signed contract usually runs 3 to 6 weeks for a fit-out. Larger or more complex projects can take 8 to 12 weeks. Build a buffer for it.What insurance should a commercial contractor carry in Ontario? At minimum: Commercial General Liability (typically $2M for fit-outs, $5M+ for ground-up), WSIB coverage, automobile coverage and builders risk for the project itself. The Certificate of Insurance should name your business as additional insured.<h3>Choosing the right commercial GC is not about price</h3> The verification work is straightforward. WSIB. Insurance. License. References. CCDC literacy. A real quote. A named project manager. A written change order process. None of this is optional. All of it is invisible until you skip it.The contractor you pick will be in your space, in your project, in your inbox for weeks or months. Pick someone you can call at 7am on a Tuesday and get a straight answer.If you are vetting commercial GCs for a fit-out, expansion or ground-up build in Ottawa, NobleStar Construction is happy to walk you through our process before you sign anything. Call 613-790-6128 or email <a href="mailto:info@noblestarconstruction.com">info@noblestarconstruction.com</a> or get in touch through our <a data-mce-href="https://noblestarconstruction.com/explore/contact" href="https://noblestarconstruction.com/explore/contact" target="_blank" rel="noopener" data-mce-selected="inline-boundary">contact us</a> page.

How to Choose a Commercial General Contractor in Ottawa (2026 Guide)

Noblestar Construction

NobleStar Construction is a commercial general contractor in Ottawa specializing in fit-outs for cafes, restaurants, retail stores, franchise locations, wellness studios and offices. We handle the full build from permit to opening day across Ottawa and Eastern Ontario.

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