Wood & Fiberglass Window Replacement cost: Seattle vs Tri-Cities (2026)
In 2026, wood and fiberglass window replacement is about 15% more expensive in Seattle than in Tri-Cities. Most homeowners pay around $20,700 in Seattle versus $18,050 in Tri-Cities — a gap of roughly $2,650.
Seattle WA
Typically around $20,700
Tri-Cities WA
Lower costTypically around $18,050
Seattle vs Tri-Cities: full breakdown
| Factor | Seattle | Tri-Cities |
|---|---|---|
| Typical 2026 cost | $20,700 | $18,050 |
| Estimated range | $11,900–$29,500 | $10,350–$25,700 |
| Labor index (vs US) | ×1.18 | ×1.02 |
| Climate zone | Mixed | Mixed |
| Climate factor | ×1 | ×1 |
| Local permit | $125 | $125 |
| Labor share | $11,400 | $9,950 |
| Materials/equipment | $9,300 | $8,100 |
These are 2026 planning figures for wood and fiberglass window replacement, localized to each city — not formal quotes.
How much should this gap actually matter?
A 15% spread (roughly $2,650) is significant enough to plan around, but not fixed — off-peak timing and sharper bidding in Seattle typically recover some of it.
Wood and fiberglass window replacement by type: Seattle vs Tri-Cities
Each wood and fiberglass window replacement option, priced separately for both metros — the same local labor, climate and permit adjustments applied per city, so you can compare like for like.
| Type | Seattle | Tri-Cities |
|---|---|---|
| Fiberglass | $11,900–$26,000 | $10,350–$22,600 |
| Composite | $13,050–$27,150 | $11,350–$23,650 |
| Aluminum-clad wood | $15,400–$31,850 | $13,400–$27,700 |
| Solid wood | $16,600–$35,400 | $14,450–$30,800 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national wood and fiberglass window replacement range for local labor, climate and permits.
Wood and fiberglass window replacement by number of windows: Seattle vs Tri-Cities
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 | Tri-Cities |
|---|---|---|
| 5 windows | $5,400–$13,050 | $4,700–$11,350 |
| 10 windows | $10,700–$23,650 | $9,300–$20,550 |
| 15 windows | $16,000–$33,050 | $13,900–$28,750 |
| 20 windows | $21,300–$42,450 | $18,500–$36,900 |
| 25+ windows (whole home) | $26,000–$53,000 | $22,600–$46,100 |
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
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.
No BLS metro wage series for Tri-Cities; we use Washington regional price parity instead.
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?
A window quote bundles three separate purchases into one number: the frame, the glass, and the labor to set it right. Knowing which of the three actually moves comfort and bills is what keeps the money from landing in the wrong place.
The efficiency case
Where winters bite or summers punish, upgrading the glazing — triple-pane or a gas-filled low-E package — returns real money on heating and cooling bills, and ENERGY STAR-rated units can open the door to rebates. Put that upgrade money into the glass before you spend it on a fancier frame.
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
Double-pane, low-E vinyl is the workhorse spec for a reason: it handles the vast majority of drafts and heat loss without the price jump of premium materials. When you're replacing every window at once and watching the total, it's the default that leaves the least on the table.
Spend where it counts — the glass package for your climate — and don't default to a premium frame material without a reason. Whatever you do, don't cut install quality to hit a budget number.
Seattle vs Tri-Cities
Is wood and fiberglass window replacement cheaper in Seattle or Tri-Cities?
Yes — Seattle costs more. Expect around $20,700 for wood and fiberglass window replacement there against $18,050 in Tri-Cities, about $2,650 (15%) apart in 2026.
Why does wood and fiberglass window replacement cost more in Seattle than Tri-Cities?
Labor rates explain most of it — 1.18 in Seattle vs 1.02 in Tri-Cities. 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.
When is the cheapest time to buy wood and fiberglass window replacement — and does it differ by city?
The best window is the same in both Seattle and Tri-Cities: Late fall and winter, when demand drops and installers discount to keep crews busy — typically 5–15% off peak pricing. The most expensive time anywhere is an emergency replacement during spring and summer peak.
Should I choose where to live based on wood and fiberglass window replacement cost?
Rarely. The $2,650 difference is real but one-time, and you can often close most of it in Seattle by buying in the off-season and getting tighter, apples-to-apples bids. Ongoing factors — energy prices, climate and home condition — matter more over the life of the system.
Updated June 2026 · By Serhat Özçelik