Basic
$194 – $730 each
Primed finger-jointed pine sill with eased edge, old sill removed, fitted, sealed and caulked
Photo: Ingwik · CC BY-SA 4.0 · Source
How Much Does Window Sill Cost in Seattle, Washington?
Remove and replace one interior or exterior window sill (3-8 ft, wood, vinyl, stone or composite), including fitting, sealing and finish.
Window Sill in Seattle, Washington typically costs $229 to $859 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Window Sill in Seattle, Washington
$229 – $859
eachPrices in Seattle are 19.0% higher than the national average for window sill.
National average: $200 – $750 each
What you get at each price level
Standard
$229 – $859 each
Solid oak sill with rounded nose and returned ends, old sill removed, fitted, finished and caulked
Premium
$286 – $1,073 each
Natural marble sill with polished bullnose edge, old sill removed, set in adhesive and sealed
Cost Breakdown in Seattle
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $95 – $352 | each |
| Labor | labor | $92 – $351 | each |
| Supplies & Other | supplies | $25 – $94 | each |
| Equipment & Disposal | equipment | $17 – $62 | each |
Prices adjusted for Seattle local market conditions.
Window Sill photo examples
Green marble window sill holding potted plants beside a window
Photo: Ingwik · CC BY-SA 4.0 · Source
Find a pro to do thisWhite PVC corner window with sill in a room under renovation
Photo: WorkerDi · CC BY-SA 4.0 · Source
Find a pro to do this
Cost Factors in Seattle, Washington
What Affects Pricing
- Materials ($91.00-$338.00 per unit)
- Labor ($69.00-$262.00 per unit)
- Supplies & Other ($24.00-$90.00 per unit)
- Equipment & Disposal ($16.00-$60.00 per unit)
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
How we price this
BuildX Pro researches and reviews the national price range for Window Sill, then adjusts it to your ZIP code for local labor and material costs using the public data below. Last checked 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 window sill contractors in Seattle for personalized quotes based on your specific project.