Wood & Fiberglass Window Replacement cost: Bismarck vs Grand Forks (2026)
In 2026, wood and fiberglass window replacement is about 2% more expensive in Bismarck than in Grand Forks. Most homeowners pay around $17,400 in Bismarck versus $17,000 in Grand Forks — a gap of roughly $400.
Bismarck ND
Typically around $17,400
Grand Forks ND
Lower costTypically around $17,000
Bismarck vs Grand Forks: full breakdown
| Factor | Bismarck | Grand Forks |
|---|---|---|
| Typical 2026 cost | $17,400 | $17,000 |
| Estimated range | $10,000–$24,800 | $9,750–$24,250 |
| Labor index (vs US) | ×0.95 | ×0.93 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.04 | ×1.04 |
| Local permit | $100 | $100 |
| Labor share | $9,550 | $9,350 |
| Materials/equipment | $7,850 | $7,650 |
Wood and fiberglass window replacement numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
How much should this gap actually matter?
2% is within noise for wood and fiberglass window replacement — contractor selection and timing move the price more than which of these two metros you're in.
Wood and fiberglass window replacement by type: Bismarck vs Grand Forks
Each wood and fiberglass window replacement option, priced separately for both metros — the same local labor, climate and permit adjustments applied per city, so you can compare like for like.
| Type | Bismarck | Grand Forks |
|---|---|---|
| Fiberglass | $10,000–$21,850 | $9,750–$21,350 |
| Composite | $10,950–$22,850 | $10,700–$22,300 |
| Aluminum-clad wood | $12,950–$26,800 | $12,650–$26,150 |
| Solid wood | $13,950–$29,750 | $13,600–$29,050 |
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: Bismarck vs Grand Forks
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 | Bismarck | Grand Forks |
|---|---|---|
| 5 windows | $4,550–$10,950 | $4,450–$10,700 |
| 10 windows | $9,000–$19,850 | $8,800–$19,400 |
| 15 windows | $13,450–$27,800 | $13,150–$27,150 |
| 20 windows | $17,900–$35,700 | $17,500–$34,850 |
| 25+ windows (whole home) | $21,850–$44,600 | $21,350–$43,550 |
All figures are 2026 localized planning estimates for wood and fiberglass window replacement — get an actual quote before you commit.
Cheapest time for wood and fiberglass window replacement in either city
Why fall and winter save money: installers are hungry for work and manufacturers are running promotions, and those two discounts happen to overlap in the same off-season window.
How much should new windows really cost you?
Frame material, glass package and install type decide the price. Our editors on what's worth paying for.
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.
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 qualify for rebates. Spend on the glass package before the frame upgrade.
Spend where it counts — the glass package for your climate — and don't default to a premium frame material without a reason. Whatever you do, don't cut install quality to hit a budget number.
Bismarck vs Grand Forks
Is wood and fiberglass window replacement cheaper in Bismarck or Grand Forks?
Grand Forks comes out ahead here, at roughly $17,000 for wood and fiberglass window replacement compared with $17,400 in Bismarck — a 2% ($400) gap as of 2026.
Why does wood and fiberglass window replacement cost more in Bismarck than Grand Forks?
The main driver is local labor rates: Bismarck's labor index is 0.95 versus 0.93 in Grand Forks. Climate zone (cold vs cold) also shift the total.
How much is wood and fiberglass window replacement in Bismarck, ND?
wood and fiberglass window replacement in Bismarck runs $10,000–$24,800 as of 2026 — most jobs land near $17,400.
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 Bismarck and Grand Forks: 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. $400 is a one-time difference, not an ongoing one, and off-season buying plus apples-to-apples bids in Bismarck 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