Wood & Fiberglass Window Replacement cost: Seattle vs Shoreline (2026)
Seattle and Shoreline are a near-perfect match on wood and fiberglass window replacement cost in 2026, both landing around $20,700.
Seattle WA
Typically around $20,700
Shoreline WA
Typically around $20,700
Seattle vs Shoreline: full breakdown
| Factor | Seattle | Shoreline |
|---|---|---|
| Typical 2026 cost | $20,700 | $20,700 |
| Estimated range | $11,900–$29,500 | $11,900–$29,500 |
| Labor index (vs US) | ×1.18 | ×1.18 |
| Climate zone | Mixed | Mixed |
| Climate factor | ×1 | ×1 |
| Local permit | $125 | $125 |
| Labor share | $11,400 | $11,400 |
| Materials/equipment | $9,300 | $9,300 |
Wood and fiberglass window replacement numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
A wash — choose on quality, not city
The two metros are effectively a wash for wood and fiberglass window replacement — pick on contractor quality and timing, not location.
Wood and fiberglass window replacement by type: Seattle vs Shoreline
We localize each wood and fiberglass window replacement type separately for both metros, applying the same labor, climate and permit adjustments each time, so you're comparing like for like.
| Type | Seattle | Shoreline |
|---|---|---|
| Fiberglass | $11,900–$26,000 | $11,900–$26,000 |
| Composite | $13,050–$27,150 | $13,050–$27,150 |
| Aluminum-clad wood | $15,400–$31,850 | $15,400–$31,850 |
| Solid wood | $16,600–$35,400 | $16,600–$35,400 |
Treat these as 2026 localized estimates for wood and fiberglass window replacement, not quotes from a contractor.
Wood and fiberglass window replacement by number of windows: Seattle vs Shoreline
Wood and fiberglass windows are a premium upgrade — figure roughly $800–$2,500 per window installed depending on material, size, and finish. Cost scales with the number of openings, and wood typically runs higher than fiberglass.
| Size | Seattle | Shoreline |
|---|---|---|
| 5 windows | $5,400–$13,050 | $5,400–$13,050 |
| 10 windows | $10,700–$23,650 | $10,700–$23,650 |
| 15 windows | $16,000–$33,050 | $16,000–$33,050 |
| 20 windows | $21,300–$42,450 | $21,300–$42,450 |
| 25+ windows (whole home) | $26,000–$53,000 | $26,000–$53,000 |
All figures are 2026 localized planning estimates for wood and fiberglass window replacement — get an actual quote before you commit.
What windows pros earn in each metro
Roughly 55% of what you pay for wood and fiberglass window replacement is labor, which is why local wages explain most of the price gap. The numbers below are actual metro wages for skilled installers, sourced from BLS OEWS — not guesses.
Seattle-Tacoma-Bellevue metro · about 32% above the US average installer wage.
Seattle-Tacoma-Bellevue metro · about 32% above the US average installer wage.
Source: U.S. Bureau of Labor Statistics, OEWS metro wages for HVAC installers (used as a trade-labor index).
Cheapest time for wood and fiberglass window replacement in either city
Installers discount labor in the slow winter months, and manufacturers layer rebates on top during the same stretch — buying off-season means catching both at once instead of neither.
How much should new windows really cost you?
Windows are priced by frame, glass and install method — and homeowners often spend on the wrong one. Our editors on what's worth paying for.
The install case
A perfect window installed badly leaks and fails. Full-frame replacement with proper flashing beats a cheap pocket insert in a rotted opening — match the install method to your home's condition, not just the price.
The value case
Vinyl, double-pane, low-E windows deliver most of the comfort and efficiency for the lowest price. For whole-home replacements on a budget, they're the sensible default.
The efficiency case
In extreme climates, triple-pane or premium low-E/gas-fill glass pays back in comfort and bills — and ENERGY STAR units may qualify for rebates. Spend on the glass package before the frame upgrade.
Vinyl frames are the sensible default unless your situation says otherwise; the glass package is where climate-specific spending pays off. Install quality is the one place a discount always costs more later.
Seattle vs Shoreline
Is wood and fiberglass window replacement cheaper in Seattle or Shoreline?
wood and fiberglass window replacement costs about the same in both — roughly $20,700 in each city.
Why does wood and fiberglass window replacement cost more in Shoreline than Seattle?
Labor rates explain most of it — 1.18 in Shoreline vs 1.18 in Seattle. A mixed climate versus mixed accounts for the rest.
How much is wood and fiberglass window replacement in Seattle, WA?
Expect to pay $11,900 to $29,500 for wood and fiberglass window replacement in Seattle in 2026, averaging around $20,700.
Do windows pros really charge more in one city?
Yes — and the wage data shows it. A skilled installer earns about $41.1/hr in the Seattle-Tacoma-Bellevue area versus $41.1/hr around Seattle-Tacoma-Bellevue (BLS metro wage data). Since labor is roughly 55% of a wood and fiberglass window replacement job, that wage gap is the biggest reason the installed prices differ.
When is the cheapest time to buy wood and fiberglass window replacement — and does it differ by city?
Timing doesn't change by city here — Late fall and winter is the cheapest window in both Seattle and Shoreline, saving roughly 5–15%. Avoid spring and summer peak in either location, when emergency replacements push prices up.
Should I choose where to live based on wood and fiberglass window replacement cost?
Not on this basis — Seattle and Shoreline cost about the same. Weigh contractor quality, scope, equipment tier and timing instead.
Compare wood and fiberglass window replacement in other cities
Updated June 2026 · By Serhat Özçelik