Window Replacement Cost in Seattle, WA
Based on 1,149 window replacement building permits filed in Seattle between 2015 and 2026, the typical declared project value is $10,418, with most landing between $6,410 and $19,775. These are real records from Seattle's public building-permit data, declared job values, not contractor estimates or AI guesses.
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Window Replacement values over time in Seattle
Median declared value moved from $9,667 in 2021 to $11,709 in 2026, up 21% over that span. Each year below is computed from the filings that actually cleared in Seattle.
Recent window replacement permits in Seattle
Actual filings from Seattle's public permit records. Declared job values, not final paid prices.
| Filed | Declared value | Work described |
|---|---|---|
| 2026-06-15 | $13,088 | Window replacements to existing one-family dwelling subject-to-field inspection (STFI). |
| 2026-06-11 | $20,000 | Construct alterations to one-family dwelling [step proposal at new egress window not accep |
| 2026-06-11 | $7,857 | Replace 6 windows like for like in existing single family residence subject to field in |
| 2026-06-09 | $9,538 | Window replacements to existing one-family dwelling subject-to-field inspection (STFI). |
| 2026-06-09 | $12,763 | Replace windows to ground-level unit subject to field inspection. |
| 2026-06-08 | $14,069 | Replace 6 windows like for like in one family dwelling nail fin installation vinyl windo |
| 2026-06-08 | $34,713 | Replace 19 windows like for like nail fin installation vinyl windows U-factor .30 or be |
| 2026-06-04 | $30,000 | Interior alterations including windows to one dwelling unit subject to field inspection. |
| 2026-06-02 | $11,780 | Replace 9 windows like for like in existing single family residence subject to field insp |
| 2026-06-01 | $3,038 | Replace 2 windows like for like nail fin installation vinyl windows U-factor .30 or bet |
| 2026-05-27 | $9,000 | Replace 4 windows like for like in SFR nail fin installation vinyl windows U-factor .30 |
| 2026-05-26 | $12,071 | Replace 6 windows and 1 patio door like for like for one family dwelling nail fin install |
| 2026-05-19 | $11,549 | We will be replacing (6) windows in a like for like in one family dwelling subject to fie |
| 2026-05-19 | $29,075 | Replace windows (16) in-kind to a one-family dwelling unit subject to field inspection. |
| 2026-05-18 | $2,350 | Replace 1 window like for like in one family dwelling subject to field inspection STFI. |
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Add your price →How to read these numbers
A permit's declared value is the job cost the owner or contractor stated when they pulled the permit. It tracks the real cost of the work but can run a bit under what was actually paid, since it often leaves out some labor and finish costs. Treat the range as a grounded starting point. What window replacement actually costs in Seattle comes down to home size, materials, and scope.
Where this comes from
Every figure is pulled from Seattle's public building-permit records and classified by the work described. Nothing is estimated or AI-generated. How the data works. The moment a Seattle homeowner adds a real receipt, this page upgrades to show what neighbors actually paid next to these permit values.
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