Garages, sheds and carports
Garage and Shed Demolition in San Jose
Detached garages, sheds, carports, workshops and the odd barn, taken down and trucked away. In San Jose the reason is usually an ADU, a bigger yard or a garage that is leaning harder every winter.
Detached Garage Removal for ADUs in San Jose
San Jose has made backyard ADUs a common project, and the tired garage out back is very often sitting on the exact footprint the new unit needs. Taking it down is the first step. In older neighborhoods like Alum Rock, Naglee Park and the streets off Lincoln Avenue in Willow Glen, these garages were built in the 1920s to 1950s for much smaller cars, often on a thin slab or no slab at all.
We remove the structure, the slab and any footings, and leave a clean, level patch for your ADU builder. If the ADU will tie into the existing sewer lateral or a new electrical service, we coordinate with your designer so we do not remove something you will need later. Garage demolition is a separate permit from the ADU in many cases, and we file it with the right office for your parcel.
Sheds, Carports, Workshops and Outbuildings
Not every outbuilding is a garage. We take down backyard sheds, metal and wood carports, workshops, greenhouses, playhouses, chicken coops and the occasional old barn on larger lots toward the Almaden foothills. Small sheds can often be dismantled by hand and carried out through a side gate. Larger structures with slabs or framed walls need a machine and a bin.
Old outbuildings collect old materials. Corrugated cement siding and roofing, used on many sheds and garages from the 1940s to 1970s, often contains asbestos. So can old roofing felt and flooring. We get the survey done first, and positive samples are removed by a certified abatement firm we book before the walls come down.
Garage Demolition Permits, Utilities and Access
A detached garage with electrical or gas service usually needs a demolition permit, and the utility lines have to be disconnected and capped first. Many old garages have a sub-panel or a gas line for a heater or dryer. We trace these lines, coordinate any PG&E work, and cap everything so nothing is left live under the new yard.
Access is often the hardest part. Backyard garages on narrow East San Jose lots may only be reachable through a driveway barely wider than a car. We size the equipment to fit, use small skid steers or hand demolition when needed, and protect fences, trees and neighboring structures that sit right on the property line.
Slab Removal and Cleanup After a Garage Teardown
Most garage demolitions include the slab and any perimeter footings. The concrete is broken up and sent to a recycler, the wood is sorted, and metal like old roll-up doors, tracks and conduit goes to scrap. If you plan to keep the slab as a patio or a pad for a shed, we demolish down to it and leave it in place.
Once everything is out, we fill holes left by footings and rough grade the area so it drains. For ADU projects, that leaves a clean site for your surveyor and builder to start layout without hauling away anything we left behind. Fence sections we removed for access go back up.
Inside a San Jose Garage Teardown
Permit Check and Asbestos Testing for the Garage
We find out whether your parcel needs a demo permit, get siding, roofing and flooring sampled, and file with San Jose, Santa Clara County or Milpitas as required. Small sheds under the size limit sometimes need no permit at all.
Utility Disconnects for the Garage
Electrical sub-panels, gas lines and water lines feeding the garage are traced, disconnected and capped so the area is safe for the next build. Buried lines that run back to the house are dug up or cut back where the plans call for it.
Structure and Slab Removal
Walls, roof, doors, slab and footings come out with equipment sized to your access. Slabs you want to keep stay in place and protected. Footings for a later carport or patio cover are noted for your designer.
Haul-Off, Recycling and Rough Grade
Concrete, metal and wood go to recycling, the site is rough graded to drain, and the area is ready for an ADU, a yard or a new structure. Footing trenches are backfilled and tamped before the final grade goes on.
Garages and Sheds: Job Site Photos
Garage and Shed Demolition Across San Jose
Demolition FAQs
San Jose Garage and Shed Demolition FAQ
Is a permit needed to knock down a garage in San Jose?
Most detached garages, especially those with electrical or gas service, need a demolition permit. Very small sheds may not. We check the rules for your parcel and handle the filing if one is required.
How long does garage demolition take?
A typical detached garage and its slab can come down and be hauled away in one to two days once the permit and utility disconnects are in place. Tight access or asbestos abatement adds time.
Can you remove the garage but keep the slab?
Yes. If you want the slab for a patio or a future pad, we take the structure down to it and leave it. Your ADU designer should confirm the slab will not interfere with new footings.
What affects the cost of tearing down a garage?
Size, wall and roof materials, whether the slab and footings come out, what the asbestos survey finds, utility lines, and how far equipment and debris have to travel to reach the street. A garage at the curb costs less to remove than one behind the house.
What happens to an old garage door and opener?
Steel roll-up and sectional doors, tracks, springs and openers are separated and sent to metal recycling. Torsion springs are under high tension, so we release them safely before the door comes down. Wood doors go with the sorted lumber.
Demolition quote
San Jose Garage Teardown Quote Request
Old garage blocking your ADU plans? Let us know its rough size, what it is built from and what will replace it. You will hear back within 24 hours.
- Permits
- Demolition
- Haul-off