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Window Replacement Cost in Seattle (2026)

Sunny Park founded WindowQuoteGuide and researches replacement-window pricing across U.S. markets, turning contractor quotes and public cost data into plain-English guides homeowners can actually use.

Quick answer: Seattle homeowners pay $650–$1,150 per window installed; a 10-window home runs $7,000–$11,000. Two local realities drive the choice: nine months of damp that destroys old window seals, and the highest burglary rate among major U.S. cities. Vinyl or fiberglass with laminated glass handles both — moisture and security — better than anything else here.

Illustration of a Seattle home with local landmarks
Cost per window across 6 US metros (2026)
Seattle is highlighted (gold). Same standard vinyl double-hung, installed.
$0$500$1,000$1,500Dallas$550–$900Albuquerque$500–$950Phoenix$500–$1,000Seattle$650–$1,150Chicago$700–$1,100Miami$650–$1,300
Seattle sits mid-pack — damp and the country's highest big-city burglary rate push it above the Sun Belt, below hurricane-code Miami.

The damp that never leaves

Seattle doesn't get Miami storms — it gets nine months of gray drizzle that seeps into everything. Old window seals give up first. That permanent fog between the panes, the mildew line on the sill, the frame that swells and won't quite close by November — that's the Pacific Northwest slowly winning. Vinyl and fiberglass with fresh seals are the only frames that fight back long-term here.

A classic Seattle craftsman home on a damp, gray day, surrounded by evergreens and moss, with older windows glowing warm from inside
A classic Seattle craftsman — beautiful in the drizzle, but nine months of damp is quietly working on every window seal.

Damp and Seattle labor are already in your quote. See what your project really runs.

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And the part Seattle doesn't advertise

Seattle quietly holds the highest burglary rate among major U.S. cities. A drafty old window here isn't just an energy problem — it's the softest point in the house. Old latches and single-pane glass are among the easiest entry points a burglar can find. Plenty of locals upgrade for warmth and discover the security upgrade was the part that let them sleep.

A drafty old window isn't an energy problem. It's the softest point in the house.

What to ask for in the Northwest

Two things matter most here: seal quality (for the damp) and laminated glass with modern multi-point locks (for security and noise). You don't need Miami's impact rating, but laminated glass holds together when struck — no clean shatter, no quiet entry.

What the swap feels like

The bedroom stops smelling faintly of mildew. The fog between the panes is gone, so you can actually see the rare sunny day. And that back window off the deck — the one you always suspected anyone could pop open — now takes real effort to breach.

How Seattle compares

MetroPer window10-window projectMain cost driver
Dallas$550–$900$5,000–$9,000Low Texas labor costs
Albuquerque$500–$950$5,000–$9,000High-desert sun; security
Phoenix$500–$1,000$5,000–$9,500Desert heat; Low-E coating
Seattle$650–$1,150$7,000–$11,000Damp climate; security
Chicago$700–$1,100$8,000–$11,000Labor + cold-climate glass
Miami$650–$1,300$7,000–$14,000Mandatory hurricane glass

Frequently asked questions

How much does window replacement cost in Seattle?
Seattle homeowners pay $650–$1,150 per window installed; a 10-window home typically runs $7,000–$11,000. The exact number depends on frame material, window count, and installation difficulty.
What window frame is best for Seattle's damp climate?
Vinyl and fiberglass with fresh seals hold up best against nine months of Pacific Northwest drizzle. They resist the seal failure that causes fog between the panes and mildew along the sill.
Do new windows improve home security in Seattle?
Yes. Seattle has among the highest burglary rates of major U.S. cities, and old single-pane glass with worn latches is an easy entry point. Modern windows with laminated glass and multi-point locks are far harder to force.
Why do my Seattle windows fog up between the panes?
That fog is a failed seal letting moist air into the sealed glass unit, and constant humidity speeds it up. A failed seal can't be reliably resealed — the fix is a new insulated glass unit or window.

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WindowQuoteGuide is an independent cost-information resource. Estimates are based on published regional installation averages and are for general guidance only. If you request quotes through our site, we may receive compensation from partner networks — this never affects the price you pay.

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Cost figures in this guide are compiled from publicly available 2026 U.S. pricing data — including ENERGY STAR, the U.S. Department of Energy, and national contractor cost guides (HomeAdvisor / Angi True Cost) — and are intended for planning only. Prices vary by region, brand, and installation method; always collect 2–3 local quotes.