How Much Does Clean Basement Mold Cost in Seattle, Washington?
Professional mold remediation of the affected basement area: containment, HEPA cleaning, antimicrobial treatment and removal of mold-damaged porous material.
Clean Basement Mold in Seattle, Washington typically costs $11 to $34 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Clean Basement Mold in Seattle, Washington
$11 – $34
per sq ftPrices in Seattle are 19.0% higher than the national average for clean basement mold.
National average: $10 – $30 per sq ft
Cost Breakdown in Seattle
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $4.68 – $14 | sq ft |
| Labor | labor | $4.70 – $14 | sq ft |
| Supplies & Other | supplies | $1.26 – $3.79 | sq ft |
| Equipment & Disposal | equipment | $0.81 – $2.45 | sq ft |
Prices adjusted for Seattle local market conditions.
Cost Factors in Seattle, Washington
What Affects Pricing
- Materials ($4.50-$13.50 per square foot)
- Labor ($3.51-$10.50 per square foot)
- Supplies & Other ($1.21-$3.64 per square foot)
- Equipment & Disposal ($0.78-$2.36 per square foot)
Local Price Adjustments
Material costs4.0% above avg
Labor costs34.0% above avg
Labor costs in Seattle run proportionally higher than materials, which may favor material-heavy solutions.
Frequently Asked Questions
References
- How Much Does Mold Remediation Cost? (2026 Guide) - This Old House, This Old House, retrieved Nov 2026
- Construction wages by metro and rural area, used for the labor adjustment by ZIP code, U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025
- Regional price parities for goods, used for the materials adjustment by ZIP code, U.S. Bureau of Economic Analysis, 2024
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