How to scope a demolition job
Interior demo looks like swinging a sledgehammer, but the real work is sequencing — what gets capped, what gets salvaged, what gets tested for asbestos or lead, and how the debris leaves the site without trashing the rest of your house.
Interior gut demo runs $3–7 per sqft for straightforward work; selective demo with salvage runs $5–12 per sqft because of the slower, careful tear-out. By room: bathroom gut $1,500–4,000, kitchen gut $3,000–8,000.
The big swings are hazmat (asbestos or lead testing and abatement), structural vs. non-structural scope, disposal weight (plaster and tile are heavy), and how protected the rest of the house has to stay during the tear-out.
See what drives priceHow we price it
These are the factors that move a quote up or down. Knowing them helps you share the right context upfront so we can quote your specific situation accurately — and so you can compare bids on apples-to-apples scope.
Anything built before 1980 likely contains asbestos somewhere — 9x9 floor tile and mastic, popcorn ceilings, pipe wrap, joint compound, vermiculite insulation. Pre-1978 painted surfaces are presumed to contain lead. Testing is $150–500 for a handful of bulk samples; abatement by a licensed contractor adds $8–25 per sqft depending on material. Skipping the test on a pre-1980 home is illegal in RI and MA if the work disturbs suspect material.
Non-structural partition walls are the cheapest demo on the menu — $4–8 per linear foot of wall. Load-bearing walls require a structural engineer (PE) letter or stamped drawings ($400–1,500), temporary shoring, and a header — adding $1,500–6,000 to the demo line item before the framer even shows up. Floor openings (for stairs, drops, plumbing chases) are structural by definition.
Demo debris is heavy. Plaster, tile, and concrete fill a dumpster by weight long before they fill it by volume — a 15-yard plaster job often weighs more than a 30-yard drywall job. Pricing is per haul plus tonnage overage. Bathroom gut: 10–15 yd. Kitchen gut: 20–30 yd. Full first-floor gut: 30–40 yd.
Whole-home gut on a vacant property is the fastest, cheapest configuration. The price climbs when finished spaces have to stay clean: zip-wall containment, ramboard floor protection on the egress path, HEPA negative-air machines, and door masking. Expect 10–20% added to labor for an occupied-home selective demo.
Pulling cabinets, vanities, or trim intact for reuse or donation (Habitat ReStore takes most of it) takes 2–4x longer than smashing. Decide before the quote whether anything is coming out alive — once a sledge swing happens, the option is gone.
Most cities require a demo permit for any work that touches structure, electrical, plumbing, or mechanical — even if you are just opening a wall to relocate plumbing. Cosmetic-only tear-out (carpet, trim, cabinets staying in place) usually does not need one. Permit fees run $50–300 in most RI/MA municipalities, and unpermitted permitted work becomes a real problem when you sell.
A first-floor kitchen demo with a driveway-side door is the easy case. Third-floor walk-up, no elevator, 40-foot debris carry to the dumpster? Add labor. Tight urban lots where the dumpster has to sit in the street (permitted occupancy fee in Providence, Boston, Cambridge) add $50–200 to the disposal line.
What else might come up
Most projects touch more than one trade. Here's where this one usually overlaps with others — so you can plan ahead instead of scrambling.
Demo and rough framing are sequential — the framer takes the gutted shell, installs new headers, blocks for fixtures, and brings the framing up to code. Booking them within the same week of demo keeps the project on schedule.
A licensed plumber must cap live water and gas before walls come out — demo crews are not licensed for this in RI/MA. After framing, the same plumber runs DWV, supplies, and sets the bath/kitchen rough for inspection.
Cutting into a wall with hot Romaine inside is how Sawzalls weld themselves to copper. Electricians de-energize and cap pre-demo, then rough in the new circuits to code (AFCI/GFCI requirements have tightened in 2023+ NEC).
Capping open ducts during demo is non-optional — open returns suck demo dust into the system and recirculate it through the whole house. HVAC may also need to relocate runs around new framing.
Abatement is a separate, licensed scope — demo crew cannot legally handle it in RI or MA. Abatement contractors set their own containment, remove the regulated material under negative air, and provide clearance air sampling before demo restarts.
- Year the home was built (anything pre-1980 changes the scope materially)
- Square footage of the area being demolished
- Scope: which rooms, which walls, what is staying vs. coming out
- Photos or video of each space (cabinets, ceilings, floors, visible plumbing/electrical)
- Occupied or vacant during the work
- Whether anything is being salvaged (cabinets, fixtures, hardwood, trim)
- A floor plan or rough sketch with walls labeled load-bearing vs. partition (if known)
- Whether you have an architect or engineer involved already
- Whether plumbing/electrical subs are lined up or you need referrals
- Dumpster placement constraints (street permit needed, narrow driveway, etc.)
- Timeline pressure — demo before a closing date or a scheduled framer
- Visible 9x9 floor tile or popcorn ceiling in a pre-1980 home (likely asbestos)
- Gray/white fibrous wrap on basement pipes (likely asbestos pipe insulation)
- Vermiculite-style insulation in the attic (likely asbestos-contaminated)
- Peeling or chalking paint in a pre-1978 home (lead RRP applies)
- Any wall you suspect is load-bearing (exterior walls, walls under second-floor partitions, walls perpendicular to ceiling joists)
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