How much does a window replacement cost in Seattle, WA?

The average window replacement in Seattle, WA costs $14,653 in 2026. Costs range from $4,396 for a basic project to $43,959 for a high-end renovation. Seattle is 47% more expensive than the national average of $10,000.

What is the labor rate for contractors in Seattle?

The average contractor labor rate in Seattle, WA is $49.93/hour, compared to the national average of $30/hour. For a window replacement, labor typically accounts for 30% of the total cost, which is approximately $4,396 in Seattle.

Are materials more expensive in Seattle?

Seattle has a material cost index of 138 (national average = 100). Materials cost about 38% more than the national average. For a window replacement, materials account for 70% of the cost, approximately $10,257.

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

A window replacement usually does not require a permit in most jurisdictions, though rules vary in Seattle, WA. Always verify with the local building department. The average permit cost in Seattle (when required) is $2,240.

Is a window replacement a good investment in Seattle?

A window replacement provides an estimated 68% ROI nationally. In Seattle, where the median home price is $616,441, this project costs about 2.4% of your home value. This is a small percentage of home value, making it a relatively low-risk improvement.

Window Replacement in Seattle, WA — Costs $4,396 to $43,959

What does window replacement cost in Seattle? Average $14,653, ranging $4,396–$43,959. Labor runs $49.93/hr locally — 47% above the national average. Free breakdown with material + labor split.

Seattle, WA Market

+47% vs national

Labor Rate

$49.93/hr

Material Index

138

Avg Permit Cost

$2,240

Median Home Price

$616,441

As one of the largest metros in Washington, Seattle has a competitive contractor market with hundreds of licensed professionals. This typically gives homeowners more leverage on pricing, though high demand for renovations can offset that advantage. At 47% above the national average, Seattle is one of the more expensive markets for home improvement — driven primarily by above-average labor rates in the region. With a median home price of $616,441, this window replacement represents just 2.4% of typical home value — a relatively small investment that can significantly boost curb appeal or functionality.

Low Estimate

$4,396

National: $3,000

Mid-Range

$14,653

National: $10,000

High End

$43,959

National: $30,000

Per Sq Ft

National: $0

Duration: 1-3 days

DIY: Medium

Permits: Not Required

ROI: 68%

Window Replacement Cost Calculator for Seattle

Adjusted for Seattle's labor rate ($49.93/hr) and material costs (index 138).

Project Size: 200 sq ft

50 sq ft1,000 sq ft

Quality Level

Mid-grade materials, good quality fixtures, standard options.

Estimated Total in Seattle

$14,067

Based on 200 sq ft at mid quality, adjusted for Seattle market rates.

Local Cost Breakdown

Labor (30%)$4,396

At Seattle's average rate of $49.93/hr (66% above national avg)

Materials (70%)$10,257

Material cost index 138 (38% above national baseline of 100)

Window Replacement vs. Home Value in Seattle

Metric	Seattle	National Avg
Window Replacement (Mid-Range)	$14,653	$10,000
Median Home Price	$616,441	$350,000
Project as % of Home Value	2.4%	2.9%
Estimated ROI	68%	68%
Median Household Income	$106,476	$75,000

What Affects the Price in Seattle

1Local labor rates ($49.93/hr in Seattle)
2Material cost index (138 vs national 100)
3Number of windows
4Window size and style
5Frame material
6Glass type (double vs triple pane)

Popular Upgrades

Triple-pane glass
Fiberglass frames
Low-E coating

Other Projects in Seattle, WA

Solar Panel Installation

$36,277

HardROI 55%

Deck Addition

$30,728

HardROI 65%

Outdoor Kitchen Installation

$30,159

HardROI 50%

Roof Replacement

$27,911

HardROI 68%

Second Story Addition

$304,433

HardROI 60%

Accessory Dwelling Unit (ADU) Construction

$228,325

HardROI 80%

Room Addition

$136,995

HardROI 55%

Home Addition

$120,636

MediumROI 60%

Window Replacement in Other Washington Cities

Spokane, WA

$13,407

-9%Pop. 228,989

Tacoma, WA

$11,812

-19%Pop. 219,346

Vancouver, WA

$12,044

-18%Pop. 190,915

Bellevue, WA

$14,414

-2%Pop. 151,854

Kent, WA

$11,787

-20%Pop. 136,588

Everett, WA

$12,803

-13%Pop. 110,629

Renton, WA

$13,108

-11%Pop. 106,785

Spokane Valley, WA

$13,112

-11%Pop. 103,597

Planning a Window Replacement in Seattle

A window replacement typically doesn't require a permit in Seattle, which simplifies planning. However, always confirm with the local building department before starting, especially for structural changes. Expect the project to take 1-3 days to complete.

A window replacement is a complex project best left to licensed professionals. In Seattle, skilled contractors charge an average of $49.93/hr, and the specialized nature of this work means cutting corners on labor can lead to costly rework.

With a median household income of $106,476, many Seattle residents can budget for this project through savings. The mid-range cost of $14,653 represents 14% of the typical household's annual income.

Window Replacement — National Guide

See the full national cost guide with DIY tips, cost factors, and ROI analysis.

All Construction Costs in Seattle

View labor rates, material costs, and project estimates for Seattle, WA.

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