Wood & Fiberglass Window Replacement cost: Kennewick vs Seattle (2026)
The two metros aren't quite in sync on wood and fiberglass window replacement: Kennewick sits 15% below Seattle, or roughly $18,050 versus $20,700 — about $2,650 apart.
Kennewick WA
Lower costTypically around $18,050
Seattle WA
Typically around $20,700
Kennewick vs Seattle: full breakdown
| Factor | Kennewick | Seattle |
|---|---|---|
| Typical 2026 cost | $18,050 | $20,700 |
| Estimated range | $10,350–$25,700 | $11,900–$29,500 |
| Labor index (vs US) | ×1.02 | ×1.18 |
| Climate zone | Mixed | Mixed |
| Climate factor | ×1 | ×1 |
| Local permit | $125 | $125 |
| Labor share | $9,950 | $11,400 |
| Materials/equipment | $8,100 | $9,300 |
These are 2026 planning figures for wood and fiberglass window replacement, localized to each city — not formal quotes.
Is the gap worth worrying about?
That's a real $2,650 difference (15%) on wood and fiberglass window replacement — worth factoring in, though off-season timing and a tighter quote in Seattle can narrow it.
Wood and fiberglass window replacement by type: Kennewick vs Seattle
Every wood and fiberglass window replacement type gets its own localized price for each metro, using the same labor, climate and permit adjustments — a true apples-to-apples comparison.
| Type | Kennewick | Seattle |
|---|---|---|
| Fiberglass | $10,350–$22,600 | $11,900–$26,000 |
| Composite | $11,350–$23,650 | $13,050–$27,150 |
| Aluminum-clad wood | $13,400–$27,700 | $15,400–$31,850 |
| Solid wood | $14,450–$30,800 | $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: Kennewick 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 | Kennewick | Seattle |
|---|---|---|
| 5 windows | $4,700–$11,350 | $5,400–$13,050 |
| 10 windows | $9,300–$20,550 | $10,700–$23,650 |
| 15 windows | $13,900–$28,750 | $16,000–$33,050 |
| 20 windows | $18,500–$36,900 | $21,300–$42,450 |
| 25+ windows (whole home) | $22,600–$46,100 | $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
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.
No BLS metro wage series for Kennewick; we use Washington regional price parity instead.
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
Two things line up in fall and winter: installers have open calendars and need the work, and manufacturers run their best promotions of the year. Buy then and you get both breaks at once.
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 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 value case
For a whole-home replacement on a fixed budget, vinyl frames with double-pane low-E glass capture nearly all the comfort and efficiency gains at the lowest entry point. Stepping up to fiberglass or triple glazing buys diminishing returns most homeowners never actually notice.
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.
Kennewick vs Seattle
Is wood and fiberglass window replacement cheaper in Kennewick or Seattle?
Yes — Seattle costs more. Expect around $20,700 for wood and fiberglass window replacement there against $18,050 in Kennewick, about $2,650 (15%) apart in 2026.
Why does wood and fiberglass window replacement cost more in Seattle than Kennewick?
It comes down to labor: Seattle indexes at 1.18 against Kennewick's 1.02. The mixed-vs-mixed climate difference adds to the gap.
How much is wood and fiberglass window replacement in Kennewick, WA?
Kennewick homeowners can expect $10,350 to $25,700 for wood and fiberglass window replacement in 2026, with $18,050 the typical number.
When is the cheapest time to buy wood and fiberglass window replacement — and does it differ by city?
No, the seasonal pattern is the same in Kennewick and Seattle: book during Late fall and winter for about 5–15% in savings. Spring and summer peak is the priciest stretch in both cities, mostly due to emergency replacements.
Should I choose where to live based on wood and fiberglass window replacement cost?
Probably not. Yes, $2,650 is a real gap, but it's a one-time cost you can partly offset in Seattle with off-season timing and tighter bids. Long-term factors like energy prices and home condition matter more than this one number.
Compare wood and fiberglass window replacement in other cities
Updated June 2026 · By Serhat Özçelik