Wood & Fiberglass Window Replacement cost: Boulder vs Lakewood (2026)
In 2026, wood and fiberglass window replacement is about 8% less expensive in Boulder than in Lakewood. Most homeowners pay around $18,350 in Boulder versus $19,800 in Lakewood — a gap of roughly $1,450.
Boulder CO
Lower costTypically around $18,350
Lakewood CO
Typically around $19,800
Boulder vs Lakewood: full breakdown
| Factor | Boulder | Lakewood |
|---|---|---|
| Typical 2026 cost | $18,350 | $19,800 |
| Estimated range | $10,550–$26,150 | $11,350–$28,250 |
| Labor index (vs US) | ×1 | ×1.08 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.04 | ×1.04 |
| Local permit | $125 | $125 |
| Labor share | $10,100 | $10,900 |
| Materials/equipment | $8,250 | $8,900 |
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?
At 8%, this gap is small enough that it's usually swallowed by normal quote-to-quote variation for wood and fiberglass window replacement — focus on the contractor, not the city.
Wood and fiberglass window replacement by type: Boulder vs Lakewood
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 | Boulder | Lakewood |
|---|---|---|
| Fiberglass | $10,550–$23,000 | $11,350–$24,850 |
| Composite | $11,550–$24,050 | $12,500–$26,000 |
| Aluminum-clad wood | $13,650–$28,200 | $14,750–$30,500 |
| Solid wood | $14,700–$31,350 | $15,850–$33,850 |
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: Boulder vs Lakewood
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 | Boulder | Lakewood |
|---|---|---|
| 5 windows | $4,800–$11,550 | $5,200–$12,500 |
| 10 windows | $9,500–$20,950 | $10,250–$22,600 |
| 15 windows | $14,150–$29,250 | $15,300–$31,600 |
| 20 windows | $18,850–$37,550 | $20,350–$40,600 |
| 25+ windows (whole home) | $23,000–$46,950 | $24,850–$50,700 |
Treat these as 2026 localized estimates for wood and fiberglass window replacement, not quotes from a contractor.
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.
No BLS metro wage series for Boulder; we use Colorado regional price parity instead.
Denver-Aurora-Centennial metro · about 15% 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?
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 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.
The install case
Installation is where a window quote quietly makes or breaks itself. A pocket insert dropped into a deteriorating opening leaks no matter how good the unit is, while a full-frame replacement with correct flashing holds up. Choose the method that fits what's actually behind the trim, not the one that shaves the estimate.
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.
Boulder vs Lakewood
Is wood and fiberglass window replacement cheaper in Boulder or Lakewood?
Yes — Lakewood costs more. Expect around $19,800 for wood and fiberglass window replacement there against $18,350 in Boulder, about $1,450 (8%) apart in 2026.
Why does wood and fiberglass window replacement cost more in Lakewood than Boulder?
Labor rates explain most of it — 1.08 in Lakewood vs 1 in Boulder. A cold climate versus cold accounts for the rest.
How much is wood and fiberglass window replacement in Boulder, CO?
wood and fiberglass window replacement in Boulder runs $10,550–$26,150 as of 2026 — most jobs land near $18,350.
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 Boulder and Lakewood: 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?
That would be a stretch. $1,450 is a one-time difference, not an ongoing one, and off-season buying plus apples-to-apples bids in Lakewood can close a good chunk of it. What matters more long-term is energy costs, climate and the condition of the home.
Compare wood and fiberglass window replacement in other cities
Updated June 2026 · By Serhat Özçelik