Basic
$0.15 – $0.44 per sq ft
Low-pressure soft wash of siding with a standard cleaning solution, rinsed top to bottom
How Much Does Power Wash a House Cost in Seattle, Washington?
Pressure or soft wash the exterior siding of a 1-2 story house, per sq ft of wall surface washed.
Power Wash a House in Seattle, Washington typically costs $0.17 to $0.52 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Power Wash a House in Seattle, Washington
$0.17 – $0.52
per sq ftPrices in Seattle are 19.0% higher than the national average for power wash a house.
National average: $0.15 – $0.45 per sq ft
What you get at each price level
Standard
$0.17 – $0.52 per sq ft
Soft wash with mildew-killing solution, dwell time on stained areas, rinse, windows and outlets protected
Premium
$0.21 – $0.65 per sq ft
Soft wash with mildew treatment, hand-brushed problem spots, trim and gutter faces rinsed, plants pre-wet and rinsed
Cost Breakdown in Seattle
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.07 – $0.21 | sq ft |
| Labor | labor | $0.07 – $0.21 | sq ft |
| Supplies & Other | supplies | $0.02 – $0.06 | sq ft |
| Equipment & Disposal | equipment | $0.01 – $0.03 | sq ft |
Prices adjusted for Seattle local market conditions.
Cost Factors in Seattle, Washington
What Affects Pricing
- Materials ($0.07-$0.20 per square foot)
- Labor ($0.16-$0.20 per square foot)
- Supplies & Other ($0.02-$0.06 per square foot)
- Equipment & Disposal ($0.01-$0.03 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 to Charge for Pressure Washing (2026) | Zarla, Zarla, 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
Get Free Estimates in Seattle
Connect with local power wash a house contractors in Seattle for personalized quotes based on your specific project.