How much does new foundation cost?

A typical price for new foundation, the things that move it, a Koira estimate for each state and links to every guide we used.

$9,250Typical, US
$5,200 to $42,000Usual range
3 guidesCombined, sources below
Quick answer
  • New foundation usually costs $5,200 to $42,000, about $9,250 typical.
  • Pouring a new foundation for an addition, garage or small home.

What new foundation costs

Most homeowners pay $5,200 to $42,000 for new foundation, and $9,250 is a typical price. Pouring a new foundation for an addition, garage or small home.

New foundation, US, combined from Fixr, HomeAdvisor and Bob Vila
Price
Low end$5,200
Typical$9,250
High end$42,000

Sources: Fixr, HomeAdvisor and Bob Vila, combined as shown below. Local wages shift the typical price from about $8,081 in Arkansas to $11,206 in Hawaii.

What drives the price

  • Type. Slabs cost least. Crawl spaces and full basements cost far more.
  • Size. Bob Vila notes foundations are usually priced by the square foot.
  • Soil and site. Poor soil, slopes and rock add engineering and digging.

New foundation cost by area

AreaPriceSource
500 sq ft$2,500 to $18,500Bob Vila

New foundation cost by state

These state figures are Koira estimates. The labor share of the national price, about 55%, moves with each state's median wage for construction and extraction workers; materials stay at the national price. Use them to sanity-check a new foundation quote.

New foundation by state, Koira estimates
StateLowTypicalHigh
Alabama$4,637$8,248$37,449
Alaska$5,972$10,624$48,237
Arizona$5,127$9,120$41,411
Arkansas$4,543$8,081$36,691
California$5,782$10,286$46,704
Colorado$5,279$9,390$42,637
Connecticut$5,780$10,282$46,688
Delaware$5,191$9,234$41,927
District of Columbia$5,707$10,153$46,099
Florida$4,711$8,379$38,046
Georgia$4,731$8,417$38,216
Hawaii$6,300$11,206$50,883
Idaho$5,037$8,960$40,685
Illinois$6,210$11,047$50,157
Indiana$5,311$9,447$42,896
Iowa$5,196$9,243$41,968
Kansas$4,980$8,859$40,225
Kentucky$4,892$8,703$39,515
Louisiana$4,738$8,429$38,272
Maine$5,237$9,316$42,299
Maryland$5,216$9,278$42,129
Massachusetts$6,061$10,782$48,955
Michigan$5,279$9,390$42,637
Minnesota$5,826$10,364$47,059
Mississippi$4,588$8,161$37,054
Missouri$5,305$9,437$42,847
Montana$5,268$9,371$42,549
Nebraska$4,923$8,758$39,765
Nevada$5,305$9,437$42,847
New Hampshire$5,226$9,296$42,210
New Jersey$5,868$10,439$47,398
New Mexico$4,736$8,425$38,256
New York$5,721$10,178$46,212
North Carolina$4,713$8,383$38,063
North Dakota$5,278$9,389$42,629
Ohio$5,325$9,472$43,009
Oklahoma$4,676$8,317$37,764
Oregon$5,516$9,812$44,550
Pennsylvania$5,247$9,334$42,379
Rhode Island$5,368$9,549$43,356
South Carolina$4,721$8,397$38,127
South Dakota$4,747$8,445$38,345
Tennessee$4,766$8,479$38,498
Texas$4,702$8,363$37,974
Utah$5,085$9,046$41,072
Vermont$5,209$9,266$42,073
Virginia$5,051$8,985$40,798
Washington$5,966$10,613$48,189
West Virginia$5,107$9,085$41,250
Wisconsin$5,397$9,600$43,589
Wyoming$5,210$9,268$42,081

Cities inside a state can run well above or below the state figure.

How we got these numbers

GuideRangeAverageUse
Fixr$6,000 to $42,000$12,000Counted
HomeAdvisor$4,012 to $14,769$9,245Counted
Bob Vila$5,200 to $148,000$9,100Counted

We take the middle of the guides' lows for the low end, the middle of their highs for the high end, and the middle of their averages for the typical new foundation price. Where a guide gives no average we use its midpoint. All read on October 9, 2026.

Labor share used: 55%. None of the guides splits labor out for this job, so this share is Koira's working assumption for basements and foundations work. State factor: the state's median hourly wage for construction and extraction workers over the national $28.63 (BLS, May 2025), kept between 0.7 and 1.4.

For contractors: price this job in Koira

Foundation and basement work is a big, worried purchase, so a clear scope and a fast written price help.

Koira's free Office plan turns a new foundation quote into a clean estimate the customer approves on their phone, then into an invoice they can pay. Price this job in Koira, free.

Sources: Fixr, new foundation cost; HomeAdvisor, new foundation cost; Bob Vila, new foundation cost; BLS Occupational Employment and Wage Statistics, May 2025 (state and national files). Prices checked October 9, 2026. More for your trade: how the trade runs on Koira.

FAQ

How much does new foundation cost?

New foundation usually costs $5,200 to $42,000, with $9,250 typical. Pouring a new foundation for an addition, garage or small home.

What is the cheapest foundation?

A concrete slab.

Do foundations need an engineer?

Often, especially for basements and poor soil.

Where does new foundation cost the most?

Hawaii is highest in Koira's state estimates, about $11,206 typical, and Arkansas is lowest at about $8,081. Only labor is scaled by state.

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New foundation Cost: Prices by State and What Drives Them | Koira