Cost guides › Basement waterproofing › Washington › Seattle, WA
Seattle-Tacoma-Bellevue, WA · 4.1 million people
Basement waterproofing cost in Seattle, WA
Most homeowners pay $8,200 – $13,700 (mid-range, typical $10,500, before sales tax), 24% above the national average and 3% above the Washington average.
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mid-range, typicalPrice levels in Seattle, WA
| Typical | Labour | Materials | |
|---|---|---|---|
| Basic | $10,100 $7,850 – $13,100 | $6,580 | $3,515 |
| Mid-range | $10,500 $8,200 – $13,700 | $6,818 | $3,703 |
| Premium | $13,600 $10,600 – $17,700 | $8,248 | $5,372 |
Why prices in Seattle, WA are different
Labor is about 65% of a mid-range basement waterproofing job, around 68 hours of trade work. Tradespeople in the Seattle, WA area cost about 42% more than the national average (BLS Occupational Employment and Wage Statistics for the metro area), while materials cost much the same nationwide. So the job comes out 24% above the national figure and 3% above the Washington average.
Seattle, WA ranks 3 of the 110 largest US metro areas for this job, from most to least expensive.
Other metro areas in Washington
| Seattle, WA | $10,500 |
| Basement waterproofing cost in Spokane, WA | $9,900 |
| Washington average | $10,200 |
Metros with similar prices
Other home projects in Seattle, WA
Frequently asked questions
How much does basement waterproofing cost in Seattle, WA?
A mid-range job typically costs $10,500 before sales tax, with most homeowners paying $8,200 – $13,700. Basic is about $10,100 and premium about $13,600.
Is basement waterproofing more expensive in Seattle, WA than elsewhere in Washington?
Seattle, WA: 3% above the Washington average of $10,200. Labor is about 65% of a mid-range basement waterproofing job, around 68 hours of trade work. Tradespeople in the Seattle, WA area cost about 42% more than the national average (BLS Occupational Employment and Wage Statistics for the metro area), while materials cost much the same nationwide. So the job comes out 24% above the national figure and 3% above the Washington average.
How does Seattle, WA compare with other large metros?
Among the 110 US metro areas with 500,000+ people, Seattle, WA ranks 3 for this job, from most to least expensive. The national figure is $8,500.
How much of the price is labor in Seattle, WA?
About 65% at the mid-range level, around 68 hours of work at local rates. The rest is materials, equipment and disposal, which vary much less between cities.
Population: US Census Bureau, metropolitan area estimates for 2024.
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