How much does window replacement cost in Seattle, WA?

Most Seattle homeowners spend between $575 – $1,900 on window replacement, with an average around $1,100. Local labor prices 28% above the national average, so Seattle quotes tend to land at the higher end of national ranges.

Why is window replacement more or less expensive in Seattle than elsewhere?

Seattle trade labor is among the most expensive in the country and books months ahead. Persistent rain demands drainage detailing, flashing and rot-resistant materials.

Do I need a permit for window replacement in Seattle, Washington?

SDCI permits and inspections are required for most exterior and structural work. Always confirm current requirements with the local building department before signing a contract, and make sure the permit is pulled by your licensed contractor.

How many quotes should I get in Seattle?

Get at least three written quotes from licensed, insured Washington contractors. Comparing line items — not just the bottom line — is the fastest way to spot an inflated bid in the Seattle market.

How much does one replacement window cost?

$450 to $1,500 installed for a standard double-hung window; premium fiberglass, wood-clad and oversized units run $1,500 to $2,600.

Is it cheaper to replace all windows at once?

Yes. Crews spread mobilization and setup across the job, and most manufacturers discount orders of 8 or more units, which usually saves 10% to 20%.

Insert vs full-frame replacement?

Inserts reuse the existing frame and cost 20% to 35% less. Full-frame replacement is required when the sill, jamb or surrounding wood is rotted.

Do new windows pay for themselves?

Energy savings typically run $125 to $465 a year replacing single-pane windows, and window replacement returns roughly 60% to 70% of cost at resale.

What upgrades actually matter?

Double-pane low-E with argon fill is the value sweet spot. Triple pane pays off mostly in very cold climates or on noisy streets.

How long does installation take?

About 30 to 60 minutes per window, so most whole-home jobs finish in one to three days after a two- to six-week manufacturing lead time.

Home/Cost guides/Window Replacement/Seattle, WA

Seattle · Washington

Window Replacement cost in Seattle, WA

Seattle homeowners typically pay $575 – $1,900 for window replacement. Local labor and materials price 28% above the national average.

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Seattle average

$1,100

Typical low

$575

Typical high

$1,900

Per window installed

$575 – $3,200

Sample ZIP

98101

What drives Seattle pricing

Local labor

Seattle trade labor is among the most expensive in the country and books months ahead.

Permits & code

SDCI permits and inspections are required for most exterior and structural work.

Climate & conditions

Persistent rain demands drainage detailing, flashing and rot-resistant materials.

Instant cost calculator

Adjust the inputs to see live pricing

Number of windows12 windows

Frame material

Install type

Glass package

Window style

Estimated project cost

$6,900 – $15,600

Most homeowners pay around $11,250

Compare frame material

Cost by material in Seattle

Installed Seattle pricing per window installed.

Option	Installed cost	Pros	Cons
Vinyl	$575 – $1,550	Best value, good insulation, no painting	Limited colors, frames can look bulky
Composite	$830 – $1,900	Stable in temperature swings, low upkeep	Fewer brands and installers
Aluminum	$640 – $1,800	Slim frames, strong for large spans	Conducts heat unless thermally broken
Wood	$1,000 – $2,800	Best appearance, historic-district friendly	Needs painting and rot inspection
Wood with aluminum cladding	$1,200 – $3,350	Wood interior, weatherproof exterior	Premium price
Fiberglass	$1,150 – $3,050	Strongest, longest-lived frame	Highest material cost

Where the money goes in Seattle

A typical $1,100 Seattle project, broken down by line item.

Windows (material)60% · $660
Labor28% · $308
Trim, caulk & finish8% · $88
Disposal & permit4% · $44

Common add-ons

Extras that show up on Seattle quotes but rarely in the headline price.

Bay or bow window

Each

$1,900 – $5,750

Egress window + well

$3,200 – $7,700

Rotten frame or sill repair

Per opening

$190 – $1,000

Exterior capping / trim wrap

Per window

$96 – $320

Interior trim replacement

Per window

$130 – $450

Permit

$96 – $510

Ways to save in Seattle

Do the whole house at once — per-window labor drops sharply after the first few openings.
Choose insert installs when the existing frames are sound; that alone saves 25–35%.
Claim the 25C federal tax credit: 30% of cost, up to $600 per year for qualifying ENERGY STAR windows.
Standard sizes and stock colors cost far less than custom shapes or dark exterior finishes.
Buy in winter — window companies discount hardest in their slow season.

Seattle FAQs

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Window Replacement cost near Seattle

Window Replacement cost in Bellevue, WA

$593 – $1,959

Window Replacement cost in Tacoma, WA

$517 – $1,707

Window Replacement cost in Everett, WA

$530 – $1,752

Window Replacement cost in Kent, WA

$535 – $1,766

Window Replacement cost in Renton, WA

$539 – $1,781

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$1,920 – $5,120

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$10,880 – $43,520

Kitchen Remodel in Seattle

$23,040 – $121,600

HVAC Replacement in Seattle

$7,040 – $23,040

Deck Building in Seattle

$5,632 – $15,360

Bathroom Remodel in Seattle

$8,320 – $48,640

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