Cost to Window Replacement in Seattle, WA (2026)
If you’re budgeting a window replacement in Seattle, most projects run $351-$1,403, 17% above the $750 national average. What moves that number most is usually one thing: Frame Material. On its own it can swing the cost by $150 - $1,200 per window, so that’s the decision to slow down on before you sweat the smaller stuff.
Easiest place to save: Replace all your windows at once. Whole-house projects typically earn a 10-15% bulk discount from installers, saving $100-$200 per window on a 15-window project.
In the West Coast (where Seattle sits): Highest labor costs, strict energy codes especially in California.
$351-$1,403 in Seattle
17% above the national average · 1.17x cost multiplier
In Seattle, a window replacement runs $351 to $1,403 on average - about 17% above what homeowners pay nationwide. The West Coast market's labor costs account for most of the gap, with material pricing and local permitting fees adding to the spread. Use the cost table below to compare budget, mid-range, and premium options side by side.
Cost Breakdown in Seattle
| Line Item | Low | Mid | High |
|---|---|---|---|
| Cost per window | $351 | $877 | $2923 |
| Materials | $285 | $542 | $1,140 |
| Labor | $189 | $252 | $378 |
| Permits | $0 | $86 | $114 |
| Total | $474+19% vs. national avg | $880+17% vs. national avg | $1,746+16% vs. national avg |
Budget
Vinyl frame, single-hung or double-hung, double-pane clear glass, standard sizes, basic hardware
Mid-Range
Vinyl or fiberglass frame, double-hung or casement, Low-E glass with argon fill, upgraded hardware, standard trim
Premium
Wood or fiberglass frame, casement or specialty shapes, triple-pane glass, premium coatings, custom trim and interior casing
Material Options
Material prices below are national averages; availability in Seattle may shift costs slightly.
| Material | Cost/Unit | Best For |
|---|---|---|
| Vinyl Windows | $350-$800/window | Most homeowners - best value for the moneyMost affordable, zero maintenance, good insulation, wide availability |
| Aluminum Windows | $200-$800/window | Modern/contemporary homes, mild climatesStrong and lightweight, slim sightlines, modern aesthetic |
| Fiberglass Windows | $400-$1,500/window | Extreme climates, homeowners wanting premium durability without wood maintenanceStrongest frames, excellent insulation, paintable, minimal expansion/contraction |
| Wood Windows | $400-$2,000/window | Historic homes, high-end remodels, homeowners who prioritize curb appealBest aesthetics, excellent insulation, paintable in any color, highest resale value |
| Composite Windows | $300-$2,500/window | Homeowners who want wood aesthetics with vinyl-level maintenanceWood look without wood maintenance, strong and durable, good insulation |
Other Projects in Seattle
Seattle Estimate
Typical Range
$351-$1,403
vs. National Average
17% above national
Cost Multiplier
1.17x
Cost Per window
$351-$2923
This 1.17x estimate prices Seattle labor from BLS Occupational Employment and Wage Statistics (May 2025) and applies a lighter regional adjustment to materials and permits, which vary less by metro than labor does. Actual bids vary by contractor, project scope, and timing.
See national average costs →