Wood & Fiberglass Window Replacement cost: City of Sammamish vs Seattle (2026)
There's essentially no price gap here: wood and fiberglass window replacement runs close to $20,700 in both City of Sammamish and Seattle in 2026.
City of Sammamish WA
Typically around $20,700
Seattle WA
Typically around $20,700
City of Sammamish vs Seattle: full breakdown
| Factor | City of Sammamish | Seattle |
|---|---|---|
| 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 |
Treat these as 2026 localized estimates for wood and fiberglass window replacement, not quotes from a contractor.
No real cost edge either way
Neither metro has a cost edge on wood and fiberglass window replacement — spend your decision-making energy on the contractor, not the location.
Wood and fiberglass window replacement by type: City of Sammamish vs Seattle
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 | City of Sammamish | Seattle |
|---|---|---|
| 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 |
These are 2026 planning figures for wood and fiberglass window replacement, localized to each city — not formal quotes.
Wood and fiberglass window replacement by number of windows: City of Sammamish vs Seattle
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 | City of Sammamish | Seattle |
|---|---|---|
| 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 |
These are 2026 planning figures for wood and fiberglass window replacement, localized to each city — not formal quotes.
What windows pros earn in each metro
Labor is about 55% of a wood and fiberglass window replacement bill, so local wages drive most of the gap. These are real metro hourly wages for skilled installers (BLS OEWS), not estimates.
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
Demand for window installs drops once it's cold out, which is precisely when manufacturers push their biggest rebates — a combination that doesn't happen in the busy spring and summer months.
How much should new windows really cost you?
A window budget rests on three choices — frame material, glass package and how it's installed. Our editors weigh in on where the money is well spent.
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 unlock rebates. Spend on the glass package before the frame upgrade.
If you're trimming a window budget, trim the frame material before the glass package or the installation — those two are where corners actually show up, in comfort and in leaks.
City of Sammamish vs Seattle
Is wood and fiberglass window replacement cheaper in City of Sammamish or Seattle?
Practically identical — expect around $20,700 for wood and fiberglass window replacement whichever city you're in.
Why does wood and fiberglass window replacement cost more in Seattle than City of Sammamish?
Labor rates explain most of it — 1.18 in Seattle vs 1.18 in City of Sammamish. A mixed climate versus mixed accounts for the rest.
How much is wood and fiberglass window replacement in City of Sammamish, WA?
wood and fiberglass window replacement in City of Sammamish runs $11,900–$29,500 as of 2026 — most jobs land near $20,700.
Do windows pros really charge more in one city?
They do, and the BLS wage data confirms it: installers earn about $41.1/hr around Seattle-Tacoma-Bellevue versus $41.1/hr near Seattle-Tacoma-Bellevue. With labor making up about 55% of a wood and fiberglass window replacement job, that difference carries straight through to the final price.
When is the cheapest time to buy wood and fiberglass window replacement — and does it differ by city?
It doesn't vary by location — Late fall and winter is the discount window in both City of Sammamish and Seattle (roughly 5–15% off), while spring and summer peak tends to be the most expensive in either city.
Should I choose where to live based on wood and fiberglass window replacement cost?
Cost shouldn't be the deciding factor between City of Sammamish and Seattle — they land at nearly the same price. Contractor reputation, scope, equipment tier and timing matter more.
Compare wood and fiberglass window replacement in other cities
Updated June 2026 · By Serhat Özçelik