Wood & Fiberglass Window Replacement cost: Boston vs Somerville (2026)
Boston and Somerville are a near-perfect match on wood and fiberglass window replacement cost in 2026, both landing around $20,650.
Boston MA
Typically around $20,650
Somerville MA
Typically around $20,650
Boston vs Somerville: full breakdown
| Factor | Boston | Somerville |
|---|---|---|
| Typical 2026 cost | $20,650 | $20,650 |
| Estimated range | $11,850–$29,450 | $11,850–$29,450 |
| Labor index (vs US) | ×1.13 | ×1.13 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.04 | ×1.04 |
| Local permit | $125 | $125 |
| Labor share | $11,350 | $11,350 |
| Materials/equipment | $9,300 | $9,300 |
All figures are 2026 localized planning estimates for wood and fiberglass window replacement — get an actual quote before you commit.
A wash — choose on quality, not city
The two metros are effectively a wash for wood and fiberglass window replacement — pick on contractor quality and timing, not location.
Wood and fiberglass window replacement by type: Boston vs Somerville
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 | Boston | Somerville |
|---|---|---|
| Fiberglass | $11,850–$25,950 | $11,850–$25,950 |
| Composite | $13,050–$27,100 | $13,050–$27,100 |
| Aluminum-clad wood | $15,400–$31,800 | $15,400–$31,800 |
| Solid wood | $16,550–$35,300 | $16,550–$35,300 |
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: Boston vs Somerville
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 | Boston | Somerville |
|---|---|---|
| 5 windows | $5,400–$13,050 | $5,400–$13,050 |
| 10 windows | $10,700–$23,600 | $10,700–$23,600 |
| 15 windows | $15,950–$33,000 | $15,950–$33,000 |
| 20 windows | $21,250–$42,350 | $21,250–$42,350 |
| 25+ windows (whole home) | $25,950–$52,900 | $25,950–$52,900 |
Wood and fiberglass window replacement numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
What windows pros earn in each metro
About 55% of a wood and fiberglass window replacement bill goes to labor, so wage differences between these two metros matter more than almost anything else. These are real, government-sourced (BLS OEWS) installer wages, not estimates.
Boston-Cambridge-Newton metro · about 23% above the US average installer wage.
Boston-Cambridge-Newton metro · about 23% 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
Window crews go quiet once the weather turns cold, and manufacturers time their deepest promotions to the same months — so an off-season buyer stacks a labor discount on top of a rebate.
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
Extreme climates are the one setting where premium glazing pays for itself over the years: triple-pane and gas-fill packages hold indoor temperatures steadier and trim the utility bill, with rebate eligibility a possible bonus on ENERGY STAR models. Between a better frame and better glass, the glass is where the payback lives.
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.
Windows reward homeowners who spend deliberately: glass tuned to the climate, a vinyl frame by default, and an installer who won't skip flashing. Trim the frame line before you touch either of the other two.
Boston vs Somerville
Is wood and fiberglass window replacement cheaper in Boston or Somerville?
wood and fiberglass window replacement costs about the same in both — roughly $20,650 in each city.
Why does wood and fiberglass window replacement cost more in Somerville than Boston?
It comes down to labor: Somerville indexes at 1.13 against Boston's 1.13. The cold-vs-cold climate difference adds to the gap.
How much is wood and fiberglass window replacement in Boston, MA?
wood and fiberglass window replacement in Boston runs $11,850–$29,450 as of 2026 — most jobs land near $20,650.
Do windows pros really charge more in one city?
They do, and the BLS wage data confirms it: installers earn about $38.4/hr around Boston-Cambridge-Newton versus $38.4/hr near Boston-Cambridge-Newton. 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 Boston and Somerville (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 Boston and Somerville — 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