Flat Roof Replacement cost: Green Bay vs La Crosse (2026)
In 2026, Green Bay and La Crosse land on nearly identical flat roof replacement pricing — about $10,000 either way.
Green Bay WI
Typically around $10,000
La Crosse WI
Typically around $10,000
Green Bay vs La Crosse: full breakdown
| Factor | Green Bay | La Crosse |
|---|---|---|
| Typical 2026 cost | $10,000 | $10,000 |
| Estimated range | $5,100–$14,850 | $5,100–$14,850 |
| Labor index (vs US) | ×0.95 | ×0.95 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.03 | ×1.03 |
| Local permit | $250 | $250 |
| Labor share | $6,000 | $6,000 |
| Materials/equipment | $4,000 | $4,000 |
All figures are 2026 localized planning estimates for flat roof replacement — get an actual quote before you commit.
No real cost edge either way
The two metros are effectively a wash for flat roof replacement — pick on contractor quality and timing, not location.
Flat roof replacement by type: Green Bay vs La Crosse
We localize each flat roof replacement type separately for both metros, applying the same labor, climate and permit adjustments each time, so you're comparing like for like.
| Type | Green Bay | La Crosse |
|---|---|---|
| EPDM (rubber) | $5,100–$11,950 | $5,100–$11,950 |
| TPO | $6,100–$12,900 | $6,100–$12,900 |
| PVC | $7,050–$14,850 | $7,050–$14,850 |
| Modified bitumen | $5,100–$10,950 | $5,100–$10,950 |
| Built-up roofing (BUR) | $6,600–$13,900 | $6,600–$13,900 |
Flat roof replacement numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
Flat roof replacement by roof size: Green Bay vs La Crosse
Flat and low-slope roofs are priced per square (100 sq ft) and run about $3–$11 per sq ft installed, depending on the membrane. The roof area is close to the footprint since there's little pitch.
| Size | Green Bay | La Crosse |
|---|---|---|
| 1,000 sq ft (10 squares) | $4,150–$8,550 | $4,150–$8,550 |
| 1,500 sq ft (15 squares) | $5,100–$10,950 | $5,100–$10,950 |
| 2,000 sq ft (20 squares) | $6,100–$13,900 | $6,100–$13,900 |
| 2,500 sq ft (25 squares) | $7,550–$15,850 | $7,550–$15,850 |
| 3,000+ sq ft (30 squares) | $9,000–$18,750 | $9,000–$18,750 |
These are 2026 planning figures for flat roof replacement, localized to each city — not formal quotes.
Cheapest time for flat roof replacement in either city
Shingles need warm, dry weather to seal, and demand peaks after summer storms. Booking in the slow late-fall/winter window for a spring install often earns you off-season pricing.
Where does a smart roofing budget go in 2026?
Roofing budgets swing on decisions most homeowners don't think to ask about — overlay vs. tear-off, shingle tier, deck condition. Our editors break down each one.
The value case
For a typical home, the architectural shingle is the default that makes sense. It outlasts 3-tab by a wide margin at a modest premium, and it spares you the cost of metal or tile that most roofs never need to justify.
The risk case
The surprise that wrecks a roofing budget is rot in the decking, and you rarely see it until the old shingles come off. Fix the price per replacement sheet in the contract before the crew starts, so a low bid can't quietly climb once the deck is open.
The do-it-right case
A full tear-off lets the crew replace underlayment, flashing and ventilation while the deck is exposed — the layers that actually keep water out. Covering old shingles with new ones costs less on install day, but the trapped heat shortens shingle life, and many manufacturers won't honor a warranty on an overlay.
Three habits keep a roof from costing more than it should: strip to the deck, choose an architectural shingle, and get the decking-repair rate on paper before the tear-off begins. Storm season tends to produce the lowest bids and the shortest-lived roofs.
Green Bay vs La Crosse
Is flat roof replacement cheaper in Green Bay or La Crosse?
Practically identical — expect around $10,000 for flat roof replacement whichever city you're in.
Why does flat roof replacement cost more in La Crosse than Green Bay?
Labor rates explain most of it — 0.95 in La Crosse vs 0.95 in Green Bay. A cold climate versus cold accounts for the rest.
How much is flat roof replacement in Green Bay, WI?
Green Bay homeowners can expect $5,100 to $14,850 for flat roof replacement in 2026, with $10,000 the typical number.
When is the cheapest time to buy flat roof replacement — and does it differ by city?
No, the seasonal pattern is the same in Green Bay and La Crosse: book during Late spring to early fall (dry, 45–85°F) for about 5–10% in savings. Mid-winter and the post-storm rush is the priciest stretch in both cities, mostly due to emergency replacements.
Should I choose where to live based on flat roof replacement cost?
No — the cost is essentially identical between Green Bay and La Crosse. Base the decision on the things that actually vary: contractor reputation, scope, equipment tier and timing.
Compare flat roof replacement in other cities
Updated June 2026 · By Serhat Özçelik