Foundation Repair & Basement Waterproofing in Seattle, WA
The local answer
$2,500 - $8,000 covers many foundation repair and basement waterproofing jobs, while structural piering, wall anchors, major drainage, or crawlspace encapsulation can run $8,000 - $30,000+.
Seattle is a higher-cost market (median home value $912,100), so expect quotes toward the top of these national ranges.
What's different about Seattle homes
Typical Seattle homes (built around 1974) are old enough for original drainage, sump systems, exterior grading, and crawlspace vapor barriers to need a serious check.
- 382,933 housing units
- $912,100 median home value
- 1974 median year built
- 44.2% homeownership
Typical costs
| Foundation crack injection | $500 - $1,500 |
| Basement interior drainage / sump | $3,000 - $10,000+ |
| Crawlspace vapor barrier | $1,500 - $5,000 |
| Crawlspace encapsulation | $5,000 - $15,000+ |
| Wall anchors / braces / piers | $5,000 - $30,000+ |
National ranges — expect the upper end in Seattle.
Start a Seattle quote request.
Tell us the project and ZIP code. We review the request and, when coverage is available for your trade and area, route it to one matched foundation repair pro.