Basic
$39 – $117 each
Failed caulk scraped, interior trim joints recaulked with acrylic latex, adhesive foam tape on the sash
How Much Does Insulate Windows Cost in Seattle, Washington?
Pro air-sealing of one existing window: remove failed caulk, recaulk frame and add foam/film or weatherstrip, done as part of a multi-window visit.
Insulate Windows in Seattle, Washington typically costs $46 to $137 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Insulate Windows in Seattle, Washington
$46 – $137
eachPrices in Seattle are 19.0% higher than the national average for insulate windows.
National average: $40 – $120 each
What you get at each price level
Standard
$46 – $137 each
Failed caulk removed, exterior frame and interior trim recaulked, V-strip weatherstrip on the sash
Premium
$57 – $172 each
Failed caulk removed, exterior sealed with elastomeric sealant over backer rod, interior sealed, V-strip and shrink film
Cost Breakdown in Seattle
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $19 – $57 | each |
| Labor | labor | $19 – $56 | each |
| Supplies & Other | supplies | $5 – $15 | each |
| Equipment & Disposal | equipment | $3.33 – $9.98 | each |
Prices adjusted for Seattle local market conditions.
Cost Factors in Seattle, Washington
What Affects Pricing
- Materials ($17.99-$54.40 per unit)
- Labor ($14.00-$42.00 per unit)
- Supplies & Other ($4.81-$14.00 per unit)
- Equipment & Disposal ($3.20-$9.60 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 Insulate Windows, 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 insulate windows contractors in Seattle for personalized quotes based on your specific project.