Wood & Fiberglass Window Replacement cost: Birmingham vs Mobile (2026)
In 2026, wood and fiberglass window replacement is about 2% more expensive in Birmingham than in Mobile. Most homeowners pay around $17,100 in Birmingham versus $16,800 in Mobile — a gap of roughly $300.
Birmingham AL
Typically around $17,100
Mobile AL
Lower costTypically around $16,800
Birmingham vs Mobile: full breakdown
| Factor | Birmingham | Mobile |
|---|---|---|
| Typical 2026 cost | $17,100 | $16,800 |
| Estimated range | $9,800–$24,350 | $9,650–$23,900 |
| Labor index (vs US) | ×0.95 | ×0.93 |
| Climate zone | Hot | Hot |
| Climate factor | ×1.02 | ×1.02 |
| Local permit | $100 | $100 |
| Labor share | $9,400 | $9,250 |
| Materials/equipment | $7,700 | $7,550 |
Treat these as 2026 localized estimates for wood and fiberglass window replacement, not quotes from a contractor.
Is the price difference a dealbreaker?
At 2%, 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: Birmingham vs Mobile
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 | Birmingham | Mobile |
|---|---|---|
| Fiberglass | $9,800–$21,450 | $9,650–$21,050 |
| Composite | $10,750–$22,400 | $10,600–$22,000 |
| Aluminum-clad wood | $12,700–$26,300 | $12,500–$25,800 |
| Solid wood | $13,650–$29,200 | $13,450–$28,700 |
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: Birmingham vs Mobile
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 | Birmingham | Mobile |
|---|---|---|
| 5 windows | $4,450–$10,750 | $4,400–$10,600 |
| 10 windows | $8,850–$19,500 | $8,650–$19,150 |
| 15 windows | $13,200–$27,250 | $12,950–$26,800 |
| 20 windows | $17,550–$35,000 | $17,250–$34,400 |
| 25+ windows (whole home) | $21,450–$43,750 | $21,050–$42,950 |
Treat these as 2026 localized estimates for wood and fiberglass window replacement, not quotes from a contractor.
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 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 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 qualify for rebates. Spend on the glass package before the frame upgrade.
The install case
The best window on the market still fails when it's set into a bad opening without proper flashing. If the existing frame is rotted, a full-frame replacement that reseals the opening outlasts a cheap pocket insert every time — let the home's condition, not the lowest bid, decide the method.
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.
Birmingham vs Mobile
Is wood and fiberglass window replacement cheaper in Birmingham or Mobile?
Mobile wins on price: wood and fiberglass window replacement runs about $16,800 there versus $17,100 in Birmingham, a gap of roughly $300 (2%) as of 2026.
Why does wood and fiberglass window replacement cost more in Birmingham than Mobile?
Birmingham's higher labor index (0.95 vs 0.93 in Mobile) is the biggest factor, with the hot/hot climate split playing a smaller role.
How much is wood and fiberglass window replacement in Birmingham, AL?
Expect to pay $9,800 to $24,350 for wood and fiberglass window replacement in Birmingham in 2026, averaging around $17,100.
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 Birmingham and Mobile: 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?
Rarely. The $300 difference is real but one-time, and you can often close most of it in Birmingham 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.
Compare wood and fiberglass window replacement in other cities
Updated June 2026 · By Serhat Özçelik