Cost

Per window, per house, and by material.

4 articles

City

Windows

How much does it cost to replace 10 windows in Federal Way, WA?

A window replacement in Federal Way, WA

$8,665

10 windows · typical range $5,199 – $16,174

Typical total$866 per window	$8,665
Range you should see in bidsthree bids on the same scope normally land inside this	$5,199 – $16,174
Labor portion35% of the job — this is the part that moves by city	$3,033
Material portion65% — bought at national prices	$5,632
Glaziers pay near Federal Wayabout $41/hr · Seattle-Tacoma-Bellevue, WA metro	$86,220/yr
U.S. mean for the same tradeSOC 47-2121	$59,720/yr
Versus the national pricetrade pay here runs +44.4% against the U.S. mean	+$1,165

Notes

Where the number comes from. The national price for a window replacement is $750 per window — replacement window pricing published for 2026, $450–$1,400 per window installed. Labor is about 35% of that. Glaziers near Federal Way, WA average $86,220 a year against a U.S. mean of $59,720 — a factor of 1.444 — so the labor half is scaled by that and the material half is not. Source: BLS OEWS May 2025 for the Seattle-Tacoma-Bellevue, WA metro area, SOC 47-2121.
Why the city matters, not just the state. Trade pay moves inside a state as much as it does between states. Crews do not commute across a state to bid a job, and materials ship at national prices either way — so a metro wage is the honest input here and a state average quietly rounds four different cities into one number.
What is in the price: the window, removal of the old sash or unit, insulation and air sealing around the frame, interior and exterior trim where disturbed, and disposal.
What is not: rot repair in the opening, structural changes to the size, full-frame replacement where an insert was quoted, and interior painting. These are the lines that turn a $8,665 quote into a $10,831 invoice, so ask about each one before signing.
Use this as a bid check, not a quote. It prices an average job in average condition. Difficult access, the state of what is being replaced, the season, and a crew booked out three months all move the real number, and none of them are in a per-unit average.

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What a Window Quote Should Actually Say — Eight Lines
Three quotes that differ by forty percent usually differ because they are for three different jobs, and the paperwork does not say so.
Do New Windows Pay for Themselves? — Not on Energy Alone
The energy case almost never closes. The comfort, noise and rot cases often do, and they are the honest reasons.
Repair or Replace — Four Failures, and Only One Needs a New Window
The most common reason people replace windows is fogging, and fogging is usually the cheapest of the four to fix without replacing anything.