Seattle · King County
Demolition Contractor in Seattle, WA
Houses, garages, sheds, decks, slabs and driveways taken down in Seattle, sorted and hauled on our own trucks, with the site left graded and ready. Serving Lake City, Wedgwood, Maple Leaf and Northgate and the rest of Seattle.
Demolition in Seattle: what we usually find
Craftsman and mid-century homes on small lots, with a lot of ADU, townhome and redevelopment work. The age of a structure decides a lot: older buildings can hide asbestos, lead paint, oil tanks and buried debris, while newer ones mostly mean clean concrete, framing and roofing to sort.
Hills and ridges between Puget Sound and Lake Washington, with steep slopes and ravines through many neighborhoods. Access decides the method. On tight or sloped lots we use compact machines and load trucks in short cycles; on open ground we can bring in more iron and finish faster.
Glacial till and outwash across most of the city, with landslide-prone slopes and soft fill in some lowlands. Once the slab and footings are out, we fill and compact the holes so the ground is ready for what comes next, whether that is a new build, a pad or lawn.
Common demolition projects in Seattle
Older home teardowns
Full demolition of older homes in neighborhoods like Lake City, with the asbestos survey, utility disconnects, haul-off and grading handled in order.
Sheds, garages and carports
Outbuildings taken down to the slab, the slab broken out and the debris hauled, leaving the Seattle yard graded and clean.
Driveway and patio removal
Old asphalt, concrete driveways, patios and walkways broken out and hauled away from Wedgwood and across Seattle, with the base prepped for what replaces it.
Lot prep for redevelopment
Taking a Seattle lot from existing house to cleared, graded ground ready for a new build, ADU or townhomes.
Tight-access demolition
Compact machines and short truck cycles for narrow Seattle lots and alley access, with the alley kept open.
What our demolition work in Seattle covers
- Structure Demolition
- Concrete & Slab Removal
- Deck & Hardscape Removal
- Interior Strip-Out
- Debris Sorting
- Backfill & Grading
Permits & Rules
Demolition permits and asbestos rules in Seattle
Most structure demolition needs a permit from the Seattle Department of Construction and Inspections (SDCI) inside city limits, or the King County Department of Local Services outside them, along with utility disconnects and a capped sewer or septic.
In King County, demolition falls under the Puget Sound Clean Air Agency, which requires an asbestos survey by a certified inspector and advance notice before most structures come down. We will not start without that paperwork, and no legitimate disposal site will take the debris without it.
Cost & Timing
What affects the cost of demolition in Seattle
We do not publish flat prices because no two Seattle sites are the same. These are the things that move the number most here.
Slope and access
Steep Seattle lots take smaller machines, more careful staging and sometimes engineering, which adds time compared with flat, open ground.
Tight lots
Narrow side yards and alley access in Seattle mean compact equipment and shorter truck loads. We plan it so it costs less than it could.
Soft ground
Where Seattle soils are soft or wet, over-excavation, fabric and imported rock are often part of the job, and we price that in up front.
Buffers and permits
Work near Seattle's rivers, creeks, lakes or shoreline can need permits and limits on where machines go. That affects scope and schedule more than price.
Haul-off and disposal
How much material leaves the site, and what it is, drives cost. Our own trucks keep that predictable on Seattle jobs.
When to schedule demolition in Seattle
Demolition in Seattle can run most of the year. The real lead time is paperwork: the asbestos survey, the agency notice and the permit. Start those first and the demo itself moves fast.
Seattle's till soils hold water through the winter, which is when drainage problems show up. That is a good time to see where water goes, and the dry season is the time to fix it.
Where We Work
Demolition across Seattle
In Seattle, DirtRaptor mostly works the north end, from Lake City and Wedgwood to Greenwood and Ballard. Seattle lots are tight, access is often by alley, and the city has detailed rules for trees and steep slopes.
We take down houses, garages, sheds, carports, decks, slabs, driveways and patios across Lake City, Wedgwood, Maple Leaf, Northgate, Greenwood, Ballard, View Ridge and Magnolia.
Debris is sorted for recycling where it can be: concrete, metal and clean wood go to recyclers, the rest to a licensed transfer station. Our trucks run I-5, SR 99, SR 522 (Lake City Way) and NE 125th St, so haul-off keeps pace with the machine.
We also do demolition nearby in Kirkland, Shoreline, Lake Forest Park and Kenmore. See everything we do in Seattle, read our full guide to demolition, or browse all service areas.
Why DirtRaptor
Why Seattle owners call us for demolition
Owner on the machine
On Seattle jobs you talk to the person who walks the site, writes the quote and runs the equipment.
Trees and dirt, one crew
If trees are in the way of your Seattle project, we take them down ourselves instead of waiting on a separate tree service.
Our own trucks
Haul-off and deliveries run on our schedule along I-5 and SR 99, not a subcontractor's.
Built for slopes
We plan machine placement, drainage and erosion control for Seattle's sloped ground before we start.
How a demolition job runs
- 01
Survey, Permits & Disconnects
- 02
Soft Strip & Salvage
- 03
Structural Demolition
- 04
Sorting, Haul-Off & Site Restoration
Real Jobs
Recent DirtRaptor work near Seattle
Demolition · Edmonds, WA
Driveway Removal & Concrete Prep
Tearing out an old blacktop driveway and prepping the ground for a new concrete pour — broken material hauled off, base left clean and ready.
Demolition · Everett, WA
Condemned 100-Year-Old Shed Teardown
A 100-year-old shed, condemned and unsafe, brought down and hauled off — the site left graded flat and clean.
Questions
Demolition Contractor in Seattle: FAQs
Do I need an asbestos survey before demolition in Seattle?
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Usually yes. Seattle is in the Puget Sound Clean Air Agency region, which requires a survey by a certified inspector and advance notification before most demolition. We help you line it up before we schedule.
What is involved in tearing down an older Seattle structure?
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Craftsman and mid-century homes on small lots, with a lot of ADU, townhome and redevelopment work. For older buildings we plan for the survey, utility disconnects, careful removal of anything hazardous, then demolition, sorting, haul-off and grading.
Who issues demolition permits in Seattle?
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Inside city limits, the Seattle Department of Construction and Inspections (SDCI). Outside them, the King County Department of Local Services. Small sheds are sometimes exempt, but the asbestos rules still apply.
How much does demolition cost in Seattle?
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It depends on the site, so we quote after a free site walk rather than guessing on the phone. The biggest drivers in Seattle are usually slope and access, tight lots, soft ground. You get a written number with inclusions and exclusions spelled out.
When is the best time to schedule demolition in Seattle?
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Demolition in Seattle can run most of the year. The real lead time is paperwork: the asbestos survey, the agency notice and the permit. Start those first and the demo itself moves fast.
Can you work on a tight Seattle lot with alley access?
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Yes. Compact tracked machines and our own trucks let us dig, demo and haul off from alley access, with the alley protected and kept open as much as possible.
Do you handle site prep for ADUs in Seattle?
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Yes. ADU site prep usually includes small demolition, tree work, excavation for the foundation and utility trenching. We do it all with one crew.
Do you remove the concrete slab and foundation?
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Yes, and we recommend it if anything is being built on the site afterwards. Leaving a slab or footings in the ground causes drainage and settling problems for whatever goes in next.
Ready for a real number in Seattle?
Send the address and a few photos. We walk the site for free and come back with a written quote.
