Clamp Research

Real itemized estimates, published.

Pick the part of the house, or the size of the job. 27 published cost examples, every line itemized with crew hours.

Kitchen and bath

Kitchens, bathrooms and showers, gutted and rebuilt, and the floors around them.

5×8 Bathroom Remodel Cost and Labor (2026 Baseline)Illustrative selling prices at three markups, and the fully itemized direct job cost underneath it.Direct job cost $13,858 3×5 Shower Replacement Cost (2026): $6,046 to $15,972Replacing a 3×5 shower (also written 5x3 or 60x36) costs about $6,046 to $9,302 for an acrylic base with a surround kit up to $10,382 to $15,972 for tile walls on a mud-bed pan.Direct job cost $4,651 to $7,986 10x10 Kitchen Remodel Cost (2026): $28,679 to $44,122Gutting and rebuilding a 10x10 L-shaped kitchen on the same layout costs about $28,679 to $44,122.Direct job cost $22,061 Dishwasher Leak Floor Repair Cost (2026): $4,393 to $6,758Replacing a leak-damaged kitchen floor and resetting the dishwasher costs about $4,393 to $6,758.Direct job cost $3,379

Basement

Finishing the space, getting egress into it, and what runs under the slab.

Cost to Finish an 800 Sq Ft Basement: $50,347 to $77,456Finishing 800 square feet of basement with one bedroom and no bathroom costs about $50,347 to $77,456.Direct job cost $38,728 Cost to Cut a Basement Floor for Plumbing: $1,763 to $8,371Cutting a basement floor for a bathroom drain costs about $1,763 to $2,712 for cutting and patching a 12 ft basement slab trench up to $5,441 to $8,371 for the drains for a three-piece basement bathroom.Direct job cost $325 to $4,231 Basement Egress Window Cost (2026): $8,859 to $13,629Adding a code-compliant egress window to a poured concrete basement wall costs about $8,859 to $13,629.Direct job cost $6,815 Radon Mitigation Cost (2026): $2,940 to $4,524, ItemizedInstalling an active sub-slab radon mitigation system in a finished basement costs about $2,940 to $4,524.Direct job cost $2,262 Cast Iron Drain Under Slab Cost (2026): $5,519 to $8,491Replacing 22 feet of cracked cast iron drain under a basement slab costs about $5,519 to $8,491.Direct job cost $4,245

Roof, windows and doors

The shell: what keeps the weather out.

Roof Replacement Cost (2026): $19,646 to $30,224, ItemizedTearing off and reroofing a 24-square ranch in architectural shingles costs about $19,646 to $30,224.Direct job cost $15,112 Vinyl Replacement Window Cost (2026): $1,203 to $2,864 EachReplacing a double-hung window with a mid-grade vinyl unit costs about $1,203 to $1,851 per window installed for an insert set in the existing frame and $1,862 to $2,864 per window for a full-frame replacement.Direct job cost $9,254 to $14,322 Window to Door Conversion Cost (2026): $10,087 to $15,518Replacing two windows with a 6 foot French door in a brick wall costs about $10,087 to $15,518, from a $7,759 direct job cost: the opening cut to the floor, a new header and steel lintel, the door flashed, trimmed and painted in, itemized with crew hours.Direct job cost $7,759 Skylight Replacement Cost (2026): $2,158 to $3,320 EachReplacing a leaking deck-mounted skylight with a new flashing kit costs about $2,158 to $3,320 per skylight installed.Direct job cost $3,320

Outdoor

Decks, porches, walls and the yard.

12x12 Deck Cost (2026): $11,589 to $17,829, ItemizedBuilding a 12x12 pressure-treated deck about 3 feet off grade costs about $11,589 to $17,829.Direct job cost $8,915 Porch Repair Cost (2026): $462 to $7,129, Six RepairsFixing a sinking or separating wood front porch costs about $462 to $710 for jacking and shimming one sunken porch corner up to $4,634 to $7,129 for fixing a porch that is pulling away and sinking.Direct job cost $355 to $3,565 Retaining Wall Replacement Cost (2026): $7,710 to $11,862Replacing 35 feet of failed timber retaining wall with segmental block costs about $7,710 to $11,862.Direct job cost $5,931

Additions, ADUs and garages

New square footage on an existing property: an addition, a backyard unit or a garage.

Mudroom Addition Cost (2026): $44,768 to $68,873 for an 8x10An 8x10 heated mudroom on a new foundation costs about $44,768 to $68,873, from a $34,437 direct job cost: framed, roofed, sided, wired, heated and finished with a built-in bench, every line itemized with crew hours.Direct job cost $34,437 Detached ADU Cost (2026): $206,988 to $318,443, 600 Sq FtBuilding a 600-square-foot detached ADU with one bedroom, one bath and a kitchenette costs about $206,988 to $318,443.Direct job cost $159,221 30x30 Garage Cost (2026): $95,901 to $147,540, ItemizedA 30x30 detached garage costs about $95,901 to $147,540 and a 30x36 about $106,002 to $163,080, each on a slab with a truss roof, vinyl siding, two 10x8 doors, a new electric service and a mini-split, itemized with crew hours.Direct job cost $73,770 to $81,540

New homes

Whole new houses, from a cottage to a two-story, with the twists builders actually get.

Cost to Build a House (2026): $232,003 to $612,393Building a new single-family house costs about $232,003 to $259,843 for a 1,050 sf two-bedroom cottage up to $546,780 to $612,393 for a 2,400 sf four-bedroom two-story over a full unfinished basement.Direct job cost $185,602 to $437,424 Cost to Build a House, 4 Scenarios: $376,390 to $435,460Building a new single-family house when the job comes with a twist costs about $376,390 to $421,557 for a 1,850 sf high-performance ranch up to $388,804 to $435,460 for a mid-grade 1,750 sf ranch on a teardown lot.Direct job cost $301,112 to $311,043 Cost to Drywall a New House (2026): $9,118 to $51,552Drywall for a new house, hung, taped and finished, costs about $9,118 to $14,028 for a new 1,200 sq ft ranch up to $33,509 to $51,552 for a 3,500 sq ft custom home.Direct job cost $2,209 to $25,776

Painting

Painting over oil-based paint, inside and out, prepped and primed the way the primer makers require.

Cost to Paint Over Oil-Based Paint (2026): $380 to $15,679Painting over oil-based paint the right way (cleaned, deglossed and primed) costs about $380 to $584 for painting an oil-painted front door up to $10,191 to $15,679 for a lead-safe first floor of oil-painted trim.Direct job cost $292 to $7,839

Mechanical, electrical and energy

Outlets and circuits, water heaters, insulation and the systems behind the walls.

Cost to Add an Outlet (2026): $285 to $438 InstalledAdding a wall outlet to an existing circuit costs about $285 to $438.Direct job cost $176 to $2,859 Gas Water Heater Replacement Cost (2026): $3,128 to $4,812Replacing a 50-gallon gas water heater like for like costs about $3,128 to $4,812.Direct job cost $2,406 Heat Pump Water Heater Cost (2026): $4,031 to $6,201Swapping a 50-gallon electric tank for a heat pump water heater costs about $4,031 to $6,201.Direct job cost $3,101 Four-Season Room Insulation Cost (2026): $3,906 to $6,009Insulating the ceiling of a 12x16 four-season room from the inside costs about $3,906 to $6,009.Direct job cost $3,004

Under $5,000

Swaps and repairs a crew finishes in a day or two.

Cost to Add an Outlet (2026): $285 to $438 InstalledAdding a wall outlet to an existing circuit costs about $285 to $438.Direct job cost $176 to $2,859 Cost to Paint Over Oil-Based Paint (2026): $380 to $15,679Painting over oil-based paint the right way (cleaned, deglossed and primed) costs about $380 to $584 for painting an oil-painted front door up to $10,191 to $15,679 for a lead-safe first floor of oil-painted trim.Direct job cost $292 to $7,839 Cost to Cut a Basement Floor for Plumbing: $1,763 to $8,371Cutting a basement floor for a bathroom drain costs about $1,763 to $2,712 for cutting and patching a 12 ft basement slab trench up to $5,441 to $8,371 for the drains for a three-piece basement bathroom.Direct job cost $325 to $4,231 Porch Repair Cost (2026): $462 to $7,129, Six RepairsFixing a sinking or separating wood front porch costs about $462 to $710 for jacking and shimming one sunken porch corner up to $4,634 to $7,129 for fixing a porch that is pulling away and sinking.Direct job cost $355 to $3,565 Cost to Drywall a New House (2026): $9,118 to $51,552Drywall for a new house, hung, taped and finished, costs about $9,118 to $14,028 for a new 1,200 sq ft ranch up to $33,509 to $51,552 for a 3,500 sq ft custom home.Direct job cost $2,209 to $25,776 Radon Mitigation Cost (2026): $2,940 to $4,524, ItemizedInstalling an active sub-slab radon mitigation system in a finished basement costs about $2,940 to $4,524.Direct job cost $2,262 Gas Water Heater Replacement Cost (2026): $3,128 to $4,812Replacing a 50-gallon gas water heater like for like costs about $3,128 to $4,812.Direct job cost $2,406 Four-Season Room Insulation Cost (2026): $3,906 to $6,009Insulating the ceiling of a 12x16 four-season room from the inside costs about $3,906 to $6,009.Direct job cost $3,004 Heat Pump Water Heater Cost (2026): $4,031 to $6,201Swapping a 50-gallon electric tank for a heat pump water heater costs about $4,031 to $6,201.Direct job cost $3,101 Skylight Replacement Cost (2026): $2,158 to $3,320 EachReplacing a leaking deck-mounted skylight with a new flashing kit costs about $2,158 to $3,320 per skylight installed.Direct job cost $3,320 Dishwasher Leak Floor Repair Cost (2026): $4,393 to $6,758Replacing a leak-damaged kitchen floor and resetting the dishwasher costs about $4,393 to $6,758.Direct job cost $3,379 Cast Iron Drain Under Slab Cost (2026): $5,519 to $8,491Replacing 22 feet of cracked cast iron drain under a basement slab costs about $5,519 to $8,491.Direct job cost $4,245 3×5 Shower Replacement Cost (2026): $6,046 to $15,972Replacing a 3×5 shower (also written 5x3 or 60x36) costs about $6,046 to $9,302 for an acrylic base with a surround kit up to $10,382 to $15,972 for tile walls on a mud-bed pan.Direct job cost $4,651 to $7,986

$5,000 to $15,000

One-trade jobs and small multi-trade work.

Retaining Wall Replacement Cost (2026): $7,710 to $11,862Replacing 35 feet of failed timber retaining wall with segmental block costs about $7,710 to $11,862.Direct job cost $5,931 Basement Egress Window Cost (2026): $8,859 to $13,629Adding a code-compliant egress window to a poured concrete basement wall costs about $8,859 to $13,629.Direct job cost $6,815 Window to Door Conversion Cost (2026): $10,087 to $15,518Replacing two windows with a 6 foot French door in a brick wall costs about $10,087 to $15,518, from a $7,759 direct job cost: the opening cut to the floor, a new header and steel lintel, the door flashed, trimmed and painted in, itemized with crew hours.Direct job cost $7,759 12x12 Deck Cost (2026): $11,589 to $17,829, ItemizedBuilding a 12x12 pressure-treated deck about 3 feet off grade costs about $11,589 to $17,829.Direct job cost $8,915 Vinyl Replacement Window Cost (2026): $1,203 to $2,864 EachReplacing a double-hung window with a mid-grade vinyl unit costs about $1,203 to $1,851 per window installed for an insert set in the existing frame and $1,862 to $2,864 per window for a full-frame replacement.Direct job cost $9,254 to $14,322 5×8 Bathroom Remodel Cost and Labor (2026 Baseline)Illustrative selling prices at three markups, and the fully itemized direct job cost underneath it.Direct job cost $13,858

$15,000 to $50,000

Remodels and small additions.

Roof Replacement Cost (2026): $19,646 to $30,224, ItemizedTearing off and reroofing a 24-square ranch in architectural shingles costs about $19,646 to $30,224.Direct job cost $15,112 10x10 Kitchen Remodel Cost (2026): $28,679 to $44,122Gutting and rebuilding a 10x10 L-shaped kitchen on the same layout costs about $28,679 to $44,122.Direct job cost $22,061 Mudroom Addition Cost (2026): $44,768 to $68,873 for an 8x10An 8x10 heated mudroom on a new foundation costs about $44,768 to $68,873, from a $34,437 direct job cost: framed, roofed, sided, wired, heated and finished with a built-in bench, every line itemized with crew hours.Direct job cost $34,437 Cost to Finish an 800 Sq Ft Basement: $50,347 to $77,456Finishing 800 square feet of basement with one bedroom and no bathroom costs about $50,347 to $77,456.Direct job cost $38,728

$50,000 and up

Garages, ADUs and whole houses.

30x30 Garage Cost (2026): $95,901 to $147,540, ItemizedA 30x30 detached garage costs about $95,901 to $147,540 and a 30x36 about $106,002 to $163,080, each on a slab with a truss roof, vinyl siding, two 10x8 doors, a new electric service and a mini-split, itemized with crew hours.Direct job cost $73,770 to $81,540 Detached ADU Cost (2026): $206,988 to $318,443, 600 Sq FtBuilding a 600-square-foot detached ADU with one bedroom, one bath and a kitchenette costs about $206,988 to $318,443.Direct job cost $159,221 Cost to Build a House (2026): $232,003 to $612,393Building a new single-family house costs about $232,003 to $259,843 for a 1,050 sf two-bedroom cottage up to $546,780 to $612,393 for a 2,400 sf four-bedroom two-story over a full unfinished basement.Direct job cost $185,602 to $437,424 Cost to Build a House, 4 Scenarios: $376,390 to $435,460Building a new single-family house when the job comes with a twist costs about $376,390 to $421,557 for a 1,850 sf high-performance ranch up to $388,804 to $435,460 for a mid-grade 1,750 sf ranch on a teardown lot.Direct job cost $301,112 to $311,043

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