A detached garage typically costs $3,000 to $8,000 to demolish and remove, while a small shed usually runs $1,000 to $3,000. Structure demolition is also commonly priced at $4 to $15 per square foot of footprint, which is a useful cross-check on anything unusual in size. Treat every figure on this page as a starting point rather than a quote: disposal costs and what is under the building move the number more than square footage does.
The work runs in a set order. Services are disconnected and capped, anything hazardous is dealt with first, the structure comes down, debris is sorted and loaded, and then the slab or footings come out if they are coming out at all. That last decision is worth making deliberately, because leaving a slab in place is cheaper now and a problem later if anything is going to be built there.
Recommended Equipment
Excavator, with a skid steer alongside it. The excavator takes the structure down and pulls the slab or footings; the skid steer moves debris to the truck and cleans up the site afterward. On a small shed with good access a skid steer alone is often enough, and the excavator is what you add once there is a slab to break out or a structure too tall to take apart safely from ground level.
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What actually drives the price
Disposal is usually the largest single component and it is priced by weight and material type. Clean wood, metal and shingles all go to different places at different rates, and a structure that can be sorted costs less to dispose of than one that goes to landfill mixed. Asphalt shingles in particular are heavy and are charged accordingly.
What is under the building decides a large part of the job. Removing a concrete slab means breaking it out, loading it, and hauling it, and concrete is dense enough that a modest slab is a meaningful tonnage. A gravel pad or skids underneath cost almost nothing by comparison.
Hazardous material is the risk that changes a quote after the fact. Older structures can contain asbestos in siding, roofing or floor tile, and lead paint is common on anything built before the late 1970s. Testing is inexpensive relative to the cost of discovering it mid-demolition, and abatement is specialist work with its own rules.
Access and proximity to what stays set the method. A garage at the end of an open driveway comes down quickly. One sharing a wall or standing a metre from a fence, a neighbouring building or mature trees has to be taken apart more carefully, which is hours rather than minutes.
Services running to the building need to be found and properly disconnected. A detached garage often has power, sometimes water, occasionally gas. Capping these correctly is required and is usually coordinated with the utility rather than done by the demolition contractor.
Permits apply almost everywhere for a permanent structure, and the requirements vary considerably by municipality. This is worth confirming before scheduling rather than after.
A short checklist before you book
Measure the footprint and note the construction type and roofing material. Decide whether the slab or footings are coming out. Have the building tested for asbestos and lead if it predates the late 1970s. Identify every service running to it and arrange disconnection. Confirm what disposal is included and whether material will be sorted. Check permit requirements with your municipality. Confirm what the site will look like when they leave, including whether the hole is backfilled and graded. Confirm the operator carries liability insurance.
Costs vary by site conditions. Use the ranges here to sanity-check what you are quoted, then get a direct price for your own property.
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