Cost to Build a House CalculatorFree 2026 home building cost estimator for the USA (all 50 states), Canada and the UK, by square foot or square metre, with land, permits and financing
Pick your country and state, city or build route, enter your home’s size and finish level, and get a line-by-line budget: construction by building stage, garage and basement, site work, land, design fees, permits, contingency and construction-loan interest. Every figure is based on published 2024–2026 cost data, adjusted for where you build.
By Manzoor Ahmad · 13+ years of web development & SEO experienceUpdated October 21, 2026
01Where & how big —
02Garage & basement
03Land & site
04Soft costs & financing
—
Where the construction money goes
Your construction cost split by building stage, using the shares builders reported in NAHB’s 2024 Cost of Constructing a Home survey.
How your location compares
Construction cost for a home your size in other locations.
Cost by home size in your location
Construction only and all-in, with your garage, basement, site and soft-cost settings.
| Home size | Construction | All-in total | All-in per unit |
|---|
How much does it cost to build a house in 2026?
In the US, builders spent an average of $428,215 to construct a 2,647 sq ft single-family home, or $162 per square foot, in NAHB’s latest Cost of Constructing a Home survey (2024), the highest in the survey’s history. That excludes land. Adjusted for 5% cost growth since 2024, that’s about $170 per sq ft, or roughly $340,000 for a 2,000 sq ft home before land, design, permits and financing.
Construction = living area × cost per sq ft × location factor × finish level
Total = construction + garage + basement + site work + land + design + permits + contingency + loan interest
In Canada, Altus Group’s 2026 Cost Guide puts single-family homes at about C$150–C$315 per sq ft. In the UK, budgets run from about £1,000/m² (DIY) to £3,500/m² (design and build).
Worked example (the default inputs)
Cost to build a house by stage
NAHB’s 2024 survey of builders: what each stage of an average $428,215 build cost.
| Stage | Average cost | Share | What it includes |
|---|---|---|---|
| Site work | $32,719 | 7.6% | Surveys, inspections, permits and impact fees, water and sewer hookups |
| Foundation | $44,748 | 10.5% | Excavation, concrete, backfill, waterproofing |
| Framing | $70,982 | 16.6% | Lumber, trusses, sheathing, labor |
| Exterior finishes | $57,510 | 13.4% | Siding, roofing, windows, exterior doors |
| Major systems | $82,319 | 19.2% | Plumbing, electrical and HVAC rough-ins |
| Interior finishes | $103,391 | 24.1% | Drywall, insulation, cabinets, counters, flooring, fixtures, appliances |
| Final steps | $27,710 | 6.5% | Landscaping, driveway, outdoor structures, cleanup |
| Other | $8,835 | 2.1% | Miscellaneous costs |
Construction made up 64.4% of the average new home’s $665,298 sale price in that survey; the finished lot was 13.7%. Regulation adds up: NAHB estimated in 2026 that regulations account for $131,734, or 26.4%, of the price of an average new home.
Cost to build a house by state (2026)
Estimated construction cost per square foot for a standard-finish home, excluding land. Each state’s figure applies its relative residential construction cost index to the national average of about $170 per sq ft.
New York
$186/sq ftAbout $372,000 for 2,000 sq ft. Expect more in New York City and its suburbs, where labor and land cost far more than upstate.
California
$194/sq ftAbout $388,000 for 2,000 sq ft, before land. Bay Area and coastal builds, and wildfire-zone code requirements, push costs higher.
Washington
$176/sq ftAbout $352,000 for 2,000 sq ft. Seattle-area builds and the state energy code sit above the state average.
Texas
$142/sq ftAbout $285,000 for 2,000 sq ft, among the lowest in the US thanks to slab foundations and a large builder workforce.
Florida
$150/sq ftAbout $301,000 for 2,000 sq ft. Hurricane-rated windows, roofs and insurance raise coastal budgets.
Alabama
$143/sq ftAbout $287,000 for 2,000 sq ft, well below the national average, with lower labor costs and land prices.
| State | Cost index | Per sq ft | 2,000 sq ft home |
|---|---|---|---|
| US average | 100 | $170 | $340,200 |
| Hawaii | 129 | $219 | $438,042 |
| New Jersey | 116 | $197 | $393,203 |
| Massachusetts | 114 | $194 | $388,032 |
| Illinois | 107 | $182 | $363,538 |
| Georgia | 88 | $150 | $300,192 |
| North Carolina | 84 | $143 | $285,224 |
Show all 50 states and Washington, DC
| State | Cost index | Per sq ft | 2,000 sq ft home |
|---|---|---|---|
| Alabama | 84 | $143 | $286,584 |
| Alaska | 134 | $227 | $454,643 |
| Arizona | 93 | $158 | $315,570 |
| Arkansas | 84 | $143 | $285,394 |
| California | 114 | $194 | $388,474 |
| Colorado | 97 | $165 | $330,504 |
| Connecticut | 112 | $191 | $382,283 |
| Delaware | 105 | $179 | $358,367 |
| District of Columbia | 100 | $170 | $339,928 |
| Florida | 88 | $150 | $300,703 |
| Georgia | 88 | $150 | $300,192 |
| Hawaii | 129 | $219 | $438,042 |
| Idaho | 92 | $156 | $312,304 |
| Illinois | 107 | $182 | $363,538 |
| Indiana | 99 | $168 | $336,764 |
| Iowa | 95 | $161 | $321,965 |
| Kansas | 87 | $148 | $295,464 |
| Kentucky | 93 | $158 | $315,910 |
| Louisiana | 85 | $145 | $290,089 |
| Maine | 92 | $156 | $311,521 |
| Maryland | 96 | $163 | $325,095 |
| Massachusetts | 114 | $194 | $388,032 |
| Michigan | 99 | $168 | $336,458 |
| Minnesota | 106 | $180 | $360,714 |
| Mississippi | 83 | $142 | $283,387 |
| Missouri | 101 | $171 | $342,037 |
| Montana | 94 | $159 | $318,563 |
| Nebraska | 91 | $154 | $307,983 |
| Nevada | 106 | $181 | $361,667 |
| New Hampshire | 97 | $164 | $328,871 |
| New Jersey | 116 | $197 | $393,203 |
| New Mexico | 90 | $154 | $307,337 |
| New York | 109 | $186 | $371,805 |
| North Carolina | 84 | $143 | $285,224 |
| North Dakota | 89 | $151 | $301,927 |
| Ohio | 97 | $165 | $329,007 |
| Oklahoma | 85 | $145 | $289,714 |
| Oregon | 104 | $177 | $353,128 |
| Pennsylvania | 102 | $174 | $348,569 |
| Rhode Island | 108 | $184 | $368,096 |
| South Carolina | 81 | $137 | $274,882 |
| South Dakota | 83 | $141 | $282,128 |
| Tennessee | 86 | $147 | $293,627 |
| Texas | 84 | $142 | $284,611 |
| Utah | 88 | $150 | $300,226 |
| Vermont | 93 | $159 | $317,509 |
| Virginia | 89 | $151 | $301,859 |
| Washington | 103 | $176 | $351,665 |
| West Virginia | 98 | $167 | $333,192 |
| Wisconsin | 101 | $172 | $343,568 |
| Wyoming | 89 | $151 | $301,553 |
The index measures relative residential labor and material costs (US average = 100). It comes from a location-factor study by Faithful+Gould for the Pacific Northwest National Laboratory, prepared for the US Department of Energy, and is built from urban-area data, so rural sites can differ. Use it to compare states, then confirm with local builder bids. Once your home is built, estimate the annual bill with the property tax calculator.
Cost to build a house in Canada (2026)
Single-family construction cost per square foot from Altus Group’s 2026 Canadian Cost Guide (as reported by NerdWallet Canada), excluding land, with unfinished basements.
| City | Per sq ft (low–high) | Midpoint | 2,000 sq ft at midpoint |
|---|---|---|---|
| Vancouver, BC | C$200–C$315 | C$258 | C$515,000 |
| Calgary, AB | C$180–C$275 | C$228 | C$455,000 |
| Edmonton, AB | C$175–C$275 | C$225 | C$450,000 |
| Winnipeg, MB | C$170–C$260 | C$215 | C$430,000 |
| Toronto, ON | C$150–C$275 | C$213 | C$425,000 |
| Ottawa, ON | C$160–C$230 | C$195 | C$390,000 |
| St. John’s, NL | C$160–C$220 | C$190 | C$380,000 |
| Halifax, NS | C$150–C$225 | C$188 | C$375,000 |
| Montreal, QC | C$155–C$215 | C$185 | C$370,000 |
Building in Ontario or British Columbia, add development charges, which can be substantial in large municipalities, and GST/HST on your build. First-time buyers may qualify for the federal First-Time Home Buyers’ GST Rebate on new homes. Check eligibility with the Canada Revenue Agency before you budget.
Cost to build a house in the UK (2026)
Average build costs per square metre by build route, excluding VAT and land, from Homebuilding & Renovating’s 2026 guide.
| Build route | Cost per m² | 120 m² home | 200 m² home |
|---|---|---|---|
| DIY (you do much of the work) | £1,000–£1,600 | £120,000–£192,000 | £200,000–£320,000 |
| Self-managed (you hire trades) | £1,600–£2,200 | £192,000–£264,000 | £320,000–£440,000 |
| Main contractor | £2,000–£2,800 | £240,000–£336,000 | £400,000–£560,000 |
| Design and build / package | £2,300–£3,500 | £276,000–£420,000 | £460,000–£700,000 |
New-build homes are zero-rated for VAT, and self-builders can reclaim eligible VAT through HMRC’s VAT refund scheme for DIY housebuilders. Budget separately for the plot, Stamp Duty Land Tax on the land, planning fees, Building Regulations approval, warranties and any Community Infrastructure Levy. London and the South East typically cost more than the North and Wales.
Costs first-time builders forget
How to lower the cost to build a house
| Strategy | Why it helps |
|---|---|
| Build a simple shape | A rectangle or square footprint with a simple roof uses less material and labor than corners, bump-outs and complex rooflines. |
| Go up, not out | A two-story home needs a smaller foundation and roof for the same living area. |
| Choose a stock plan | Pre-drawn plans cost far less than a fully custom design. |
| Phase the finishes | Leave a basement or bonus room unfinished and complete it later. |
| Consider factory-built | Modular and manufactured homes can cut time and cost; compare financing with the mobile home loan calculator. |
| Tap existing equity | Owners with equity can fund a down payment or lot with a HELOC or home equity loan instead of higher-rate financing. |
Still deciding whether to build at all? The rent vs buy calculator shows how long it takes owning to beat renting. NAHB estimated the average new home sold for about $499,500 in January 2026, a useful benchmark against your all-in build budget plus land.
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Cost to build a house: questions
How much does it cost to build a house per square foot?
In the US, the average construction cost was $162 per sq ft in NAHB’s 2024 survey, about $170 in 2026 dollars, excluding land. Basic builds can come in lower; premium and custom homes often cost $250+ per sq ft.
How much does it cost to build a 2,000 sq ft house?
About $340,000 at the US average for construction alone, or roughly $285,000 in Texas or Alabama and $370,000–$390,000 in New York or California. Add land, design, permits, contingency and financing for the total.
Is this cost to build a house calculator free?
Yes. It’s completely free, needs no sign-up and runs in your browser; nothing you enter is stored.
How much does it cost to build a house in New York?
About $186 per sq ft for a standard-finish home, roughly $372,000 for 2,000 sq ft before land, with higher costs in New York City and nearby counties.
How much does it cost to build a house in California?
About $194 per sq ft, roughly $388,000 for 2,000 sq ft before land, with coastal metros and wildfire-zone requirements adding more.
How much does it cost to build a house in Washington State?
About $176 per sq ft, roughly $352,000 for 2,000 sq ft before land, with Seattle-area costs above the state average.
How much does it cost to build a house in Alabama?
About $143 per sq ft, roughly $287,000 for 2,000 sq ft before land, among the lower-cost states.
How much does it cost to build a house in Canada?
About C$150 to C$315 per sq ft for a single-family home in 2026, depending on the city and finish, according to Altus Group. A 2,000 sq ft home runs roughly C$370,000 (Montreal) to C$515,000 (Vancouver) at midpoint costs, before land.
How much does it cost to build a house in the UK?
About £1,000–£1,600 per m² for DIY builds, £1,600–£2,200 self-managed, £2,000–£2,800 with a main contractor and £2,300–£3,500 design and build, excluding VAT and land.
Is it cheaper to build or buy a house?
It depends on land and local prices. NAHB estimated the average new home sold for about $499,500 in January 2026; if your all-in build cost plus land is lower, building can win, but it takes longer and carries more risk.
What is the most expensive part of building a house?
Interior finishes, at 24.1% of construction cost in NAHB’s survey, followed by major systems (plumbing, electrical, HVAC) at 19.2% and framing at 16.6%.
How long does it take to build a house?
Commonly 7 to 12 months for a builder-led single-family home once permits are issued, longer for custom homes or in areas with permit delays.
Manzoor Ahmad
13+ years of web development & SEO experience · Founder, DexoCalc
Manzoor builds and maintains every DexoCalc calculator, including the full property and home-loan libraries. This estimator combines NAHB’s national construction cost survey with a published state cost index for the US, Altus Group city data for Canada and current build-route costs for the UK, then adds the soft costs and financing most online estimates leave out.
Sources
- NAHB 2024 Cost of Constructing a Home: stage breakdown (via Pennsylvania Association of Realtors)
- NAHB 2024: 2,647 sq ft average and $162 per sq ft (via Truist)
- Real Estate News: NAHB 2026 regulatory cost study and January 2026 average new home price
- PNNL / Faithful+Gould for the US Department of Energy: residential construction location factors by state
- NerdWallet Canada, citing Altus Group’s 2026 Canadian Cost Guide
- Homebuilding & Renovating: UK build costs per m² (February 2026)
This calculator gives planning estimates, not a quote. Garage and basement rates, finish-level adjustments and soft-cost percentages are DexoCalc estimates you can change. Actual costs depend on your plans, site, local labor and materials; get itemized bids from licensed builders before you commit.