Wood & Fiberglass Window Replacement cost: Arlington vs South Boston (2026)
In 2026, Arlington and South Boston land on nearly identical wood and fiberglass window replacement pricing — about $20,650 either way.
Arlington MA
Typically around $20,650
South Boston MA
Typically around $20,650
Arlington vs South Boston: full breakdown
| Factor | Arlington | South Boston |
|---|---|---|
| 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 |
Treat these as 2026 localized estimates for wood and fiberglass window replacement, not quotes from a contractor.
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: Arlington vs South Boston
Below, each wood and fiberglass window replacement option is priced independently for both cities, with identical local labor, climate and permit logic applied — so the comparison holds up.
| Type | Arlington | South Boston |
|---|---|---|
| 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 |
All figures are 2026 localized planning estimates for wood and fiberglass window replacement — get an actual quote before you commit.
Wood and fiberglass window replacement by number of windows: Arlington vs South Boston
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 | Arlington | South Boston |
|---|---|---|
| 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 |
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
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.
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
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?
Not every dollar in a window quote buys the same thing. Our editors break down frame, glass and install method to show where the value actually is.
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
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.
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 unlock rebates. Spend on the glass package before the frame upgrade.
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.
Arlington vs South Boston
Is wood and fiberglass window replacement cheaper in Arlington or South Boston?
Not really — both cities land at almost the same number for wood and fiberglass window replacement, around $20,650 each.
Why does wood and fiberglass window replacement cost more in South Boston than Arlington?
South Boston's higher labor index (1.13 vs 1.13 in Arlington) is the biggest factor, with the cold/cold climate split playing a smaller role.
How much is wood and fiberglass window replacement in Arlington, MA?
In Arlington, wood and fiberglass window replacement typically runs $11,850–$29,450 in 2026, with most homeowners paying around $20,650.
Do windows pros really charge more in one city?
It's not a myth — BLS data puts installer wages at about $38.4/hr in the Boston-Cambridge-Newton area and $38.4/hr in Boston-Cambridge-Newton. Given labor is around 55% of a wood and fiberglass window replacement job's cost, that gap explains most of the price spread.
When is the cheapest time to buy wood and fiberglass window replacement — and does it differ by city?
Timing doesn't change by city here — Late fall and winter is the cheapest window in both Arlington and South Boston, saving roughly 5–15%. Avoid spring and summer peak in either location, when emergency replacements push prices up.
Should I choose where to live based on wood and fiberglass window replacement cost?
Not on this basis — Arlington and South Boston cost about the same. Weigh contractor quality, scope, equipment tier and timing instead.
Compare wood and fiberglass window replacement in other cities
Updated June 2026 · By Serhat Özçelik