What is the average cost of garage demolition and removal in Ottawa?

Tearing down an old garage in Ottawa is one of those projects where the cost can vary quite a bit depending on the size of the structure, what it is made of, and what you plan to do with the space afterward. Most homeowners are pleasantly surprised that demolition is one of the more affordable parts of a garage replacement project, though there are a few Ottawa-specific factors that can push the price higher than you might expect.

For a standard single-car detached garage made of wood framing with vinyl or aluminum siding, most Ottawa demolition contractors charge between $3,500 and $6,500 for complete teardown and removal. That typically includes disconnecting any electrical service to the building, demolishing the structure itself, hauling away all debris, and removing the concrete slab or foundation walls down to grade level. A double-car wood-frame garage runs between $5,500 and $9,500 depending on the complexity.

Brick or concrete block garages cost more to demolish because the material is heavier, requires different equipment, and generates more waste by volume. Expect to pay between $6,000 and $11,000 for a single-car masonry garage and $9,000 to $15,000 for a double. Some older garages in neighbourhoods like Sandy Hill, Old Ottawa South, and Centretown were built with cinder block walls on poured concrete foundations that go three or four feet deep, and removing those foundations adds meaningfully to the project.

Disposal fees are a significant component of the total cost. The Trail Road landfill and Ottawa-area transfer stations charge by weight, and a typical single-car garage generates between four and eight tonnes of debris. Current tipping fees in the Ottawa area run roughly $85 to $120 per tonne for mixed construction waste. Some contractors include disposal in their flat-rate quote while others list it as a separate line item, so make sure you understand what is included before signing.

Hidden Costs to Watch For

Asbestos is the most common surprise in Ottawa garage demolitions. Garages built before the mid-1980s frequently have asbestos in roofing shingles, siding materials, or insulation. If asbestos is present, you are legally required to hire a certified abatement contractor for removal before demolition can proceed. Asbestos testing costs about $200 to $400 per sample through an Ottawa environmental lab, and abatement work adds $2,000 to $5,000 or more depending on the extent. This is not optional and the City of Ottawa takes it seriously.

Electrical disconnection needs to be done by a licensed electrician before demolition begins. If your garage has a separate electrical panel or a feed running underground from the house, disconnection typically costs $300 to $800. If overhead wires from a hydro pole serve the garage, you will need to coordinate with Hydro Ottawa, which can add a couple of weeks to your timeline.

Site restoration after demolition is another cost that homeowners sometimes overlook. Once the structure and foundation are gone, you are left with a hole and disturbed ground. Backfilling with clean fill, compacting, and grading the area for grass or a future build typically adds $1,500 to $3,500 depending on the size of the footprint.

The City of Ottawa requires a demolition permit for any structure over ten square metres, and the fee is usually between $100 and $300. Most demolition contractors handle the permit application as part of their service. If you are tearing down the old garage to make way for a new build, some contractors offer a discount when you bundle demolition with new construction since they are already mobilizing equipment to your site. It is worth asking about package pricing when you reach out for quotes through Garage IQ.

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