Basement Waterproofing Cost
$2,450 – $15,500A typical basement waterproofing costs about $2,450 to $15,500 in the U.S. That covers interior drainage along part or all of a basement. The range reflects parts, job difficulty and local labor rates.
| Part of the job | Low | High |
|---|---|---|
| Parts and materials (our assumption) | $1,000 | $5,000 |
| Labor hours (our assumption) | 20 | 80 |
| Billed labor rate per hour | $73 | $131 |
| Estimated total | $2,450 | $15,500 |
Our estimate, not a quote. Billed rate is the national median wage from BLS (2025, $29.12 an hour) times 2.5 to 4.5 to cover payroll costs, overhead, travel and profit. How we estimate
What other publishers report
| Publisher | Low | High | Scope |
|---|---|---|---|
| This Old House | $12,447 | $14,833 | 1,000 square foot basement. Page dated March 2026. |
| Bob Vila | $2,300 | $7,575 | Overall, citing Angi. Page dated June 2024. |
| Fixr | $3,000 | $10,000 | Overall. Page dated February 2026. |
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Estimated cost by state
| State | Carpenter median wage | Low | High |
|---|---|---|---|
| Alabama | $23.18 | $2,150 | $13,300 |
| Alaska | $35.51 | $2,800 | $17,800 |
| Arizona | $28.17 | $2,400 | $15,100 |
| Arkansas | $22.96 | $2,150 | $13,300 |
| California | $36.50 | $2,800 | $18,100 |
| Colorado | $30.21 | $2,500 | $15,900 |
| Connecticut | $30.80 | $2,550 | $16,100 |
| Delaware | $28.46 | $2,400 | $15,200 |
| District of Columbia | $29.67 | $2,500 | $15,700 |
| Florida | $23.98 | $2,200 | $13,600 |
| Georgia | $23.72 | $2,200 | $13,500 |
| Hawaii | $41.00 | $3,050 | $19,800 |
| Idaho | $25.00 | $2,250 | $14,000 |
| Illinois | $37.98 | $2,900 | $18,700 |
| Indiana | $30.23 | $2,500 | $15,900 |
| Iowa | $27.75 | $2,400 | $15,000 |
| Kansas | $27.39 | $2,350 | $14,900 |
| Kentucky | $25.33 | $2,250 | $14,100 |
| Louisiana | $24.00 | $2,200 | $13,600 |
| Maine | $29.88 | $2,500 | $15,800 |
| Maryland | $30.27 | $2,500 | $15,900 |
| Massachusetts | $36.16 | $2,800 | $18,000 |
| Michigan | $29.66 | $2,500 | $15,700 |
| Minnesota | $31.22 | $2,550 | $16,200 |
| Mississippi | $23.39 | $2,150 | $13,400 |
| Missouri | $29.25 | $2,450 | $15,500 |
| Montana | $28.28 | $2,400 | $15,200 |
| Nebraska | $24.19 | $2,200 | $13,700 |
| Nevada | $29.99 | $2,500 | $15,800 |
| New Hampshire | $29.42 | $2,450 | $15,600 |
| New Jersey | $30.77 | $2,550 | $16,100 |
| New Mexico | $28.71 | $2,450 | $15,300 |
| New York | $34.77 | $2,750 | $17,500 |
| North Carolina | $23.61 | $2,200 | $13,500 |
| North Dakota | $27.83 | $2,400 | $15,000 |
| Ohio | $29.24 | $2,450 | $15,500 |
| Oklahoma | $22.55 | $2,150 | $13,100 |
| Oregon | $30.23 | $2,500 | $15,900 |
| Pennsylvania | $28.54 | $2,450 | $15,300 |
| Rhode Island | $29.25 | $2,450 | $15,500 |
| South Carolina | $24.36 | $2,200 | $13,800 |
| South Dakota | $23.14 | $2,150 | $13,300 |
| Tennessee | $24.44 | $2,200 | $13,800 |
| Texas | $23.51 | $2,200 | $13,500 |
| Utah | $25.17 | $2,250 | $14,100 |
| Vermont | $30.00 | $2,500 | $15,800 |
| Virginia | $26.77 | $2,350 | $14,600 |
| Washington | $35.67 | $2,800 | $17,800 |
| West Virginia | $23.42 | $2,150 | $13,400 |
| Wisconsin | $29.65 | $2,500 | $15,700 |
| Wyoming | $27.33 | $2,350 | $14,800 |
Common questions
How much does basement waterproofing cost?
A typical basement waterproofing costs about $2,450 to $15,500 in the U.S. That covers interior drainage along part or all of a basement. The range reflects parts, job difficulty and local labor rates.
Which states cost the most for basement waterproofing?
Labor is the part that changes by state. See the table on this page for each state's estimate.
How long does basement waterproofing take?
This Old House says an interior drainage system takes about three to five days, and exterior excavation takes one to two weeks at minimum. Crews can be harder to book in spring and summer. Source
General information, not professional advice. Conditions, codes and prices vary. Turn off power, gas or water before any work, and hire a licensed professional when in doubt. Cost figures are our estimates, not quotes.