Foundation Repair Cost in Seattle, WA
Foundation Repair in Seattle, WA costs a median of $18,004, with the middle 50% of projects between $9,294 and $30,000. Based on 5,067 permits filed between April 2004 and April 2026 with Seattle Department of Construction and Inspections. Last updated May 16, 2026.
Sourced from 5,067 building permits on file with the City of Seattle. Source: Seattle Building Permits.
Types of Foundation Repair Work in Seattle
| Type | Typical cost | Range | Projects |
|---|---|---|---|
| Foundation Repair | $19,600 | $1 - $50,000 | 419 |
| Structural Repair | $20,000 | $1 - $50,000 | 107 |
| Underpinning | $21,600 | $1 - $50,000 | 490 |
What Most Homeowners Paid
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Public record data. HomeQuotr does not alter, estimate, or interpolate permit values.
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Half of all projects cost less. Half cost more.