Window Replacement Cost in Seattle, WA
Window replacement in Seattle costs $950/window installed on average — 27% above the national average. A 10-window home: $9,500.
Seattle — Per Window (avg)
$950
27% above national average
Vinyl Window
$700/window
most popular choice
10-Window Home Total
$9,500
avg frame material
Window Replacement Cost in Seattle by Frame Material — 2026
| Frame Type | Per Window | 10 Windows | Note |
|---|---|---|---|
| Vinyl (standard) | $700 | $7,000 | most popular; low maintenance |
| Aluminum | $850 | $8,500 | durable; lower insulation value |
| Fiberglass | $1,250 | $12,500 | best insulation; premium durability |
| Wood-clad | $1,375 | $13,750 | traditional look; highest cost |
Double-pane, low-E glass included. Installation labor included. Bay windows and specialty shapes add 30–60%. Seattle labor rates are 27% above the national average.
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FAQs — Window Replacement Cost in Seattle
How much does window replacement cost in Seattle?
Window replacement in Seattle, WA costs $475–$1,700 per window installed, with an average of $950/window — 27% above the national average of $750. A 10-window home replacement costs $9,500. Vinyl windows are the most popular choice at $700/window; premium wood-clad windows run $1,375/window.
What type of windows are best for Seattle?
For Seattle: double-pane vinyl windows with low-E coating ($700/window) are the best value for most homes — excellent insulation, low maintenance, and Energy Star qualified. Fiberglass is the upgrade choice for longevity.
How long does window replacement take in Seattle?
Window replacement in Seattle takes 30–60 minutes per window for experienced installers. A 10-window home can typically be completed in 1–2 days. Custom or non-standard size windows require 3–8 weeks lead time from order to delivery. Structural window work or full-frame replacements take longer. Most Seattle window contractors can schedule within 2–4 weeks for standard replacements.
Do new windows save energy in Seattle?
Yes — replacing single-pane windows with Energy Star double-pane in Seattle saves $150–$400/year on energy bills (DOE estimate). At $9,500 for 10 windows, the energy payback period is 12–18 years. The real ROI comes from comfort improvement, reduced drafts, and resale value (Energy Star windows recoup 67–75% at resale). In Seattle, the biggest savings come from reducing summer cooling load.
Are there rebates for window replacement in Seattle?
Yes — several rebate programs apply in Seattle: Federal tax credit: 30% of cost up to $600 for Energy Star windows (2026, Inflation Reduction Act). WA utility rebates: many local utilities offer $31–$94/window rebates for Energy Star qualified replacements — check your Seattle utility company's energy efficiency program. ENERGY STAR certified windows must have a U-factor ≤0.30 and SHGC ≤0.30 to qualify. Manufacturers (Andersen, Pella, Marvin) also offer periodic promotions.