Wood & Fiberglass Window Replacement cost: Renton vs Seattle (2026)
Wood and fiberglass window replacement costs about the same in Renton and Seattle in 2026 — roughly $20,700 in each.
Renton WA
Typically around $20,700
Seattle WA
Typically around $20,700
Renton vs Seattle: full breakdown
| Factor | Renton | 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
This is a statistical tie on wood and fiberglass window replacement cost, so let contractor reputation and project timing decide, not geography.
Wood and fiberglass window replacement by type: Renton 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 | Renton | 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 |
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: Renton 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 | Renton | 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 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national wood and fiberglass window replacement range for local labor, climate and permits.
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
Why fall and winter save money: installers are hungry for work and manufacturers are running promotions, and those two discounts happen to overlap in the same off-season window.
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
The best window on the market still fails when it's set into a bad opening without proper flashing. If the existing frame is rotted, a full-frame replacement that reseals the opening outlasts a cheap pocket insert every time — let the home's condition, not the lowest bid, decide the method.
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.
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.
Buy the glass package your climate needs, default to vinyl frames unless you have a reason not to, and never let install quality be the thing you cut to hit a number.
Renton vs Seattle
Is wood and fiberglass window replacement cheaper in Renton or Seattle?
There's no meaningful difference: wood and fiberglass window replacement runs about $20,700 in both places.
Why does wood and fiberglass window replacement cost more in Seattle than Renton?
It comes down to labor: Seattle indexes at 1.18 against Renton's 1.18. The mixed-vs-mixed climate difference adds to the gap.
How much is wood and fiberglass window replacement in Renton, WA?
Expect to pay $11,900 to $29,500 for wood and fiberglass window replacement in Renton 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?
It doesn't vary by location — Late fall and winter is the discount window in both Renton 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 Renton 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