Flat Roof Replacement cost: Fond du Lac vs Green Bay (2026)
Budget-wise, flat roof replacement in Fond du Lac ($9,900) runs 1% less than in Green Bay ($10,000), a roughly $100 spread.
Fond du Lac WI
Lower costTypically around $9,900
Green Bay WI
Typically around $10,000
Fond du Lac vs Green Bay: full breakdown
| Factor | Fond du Lac | Green Bay |
|---|---|---|
| Typical 2026 cost | $9,900 | $10,000 |
| Estimated range | $5,050–$14,700 | $5,100–$14,850 |
| Labor index (vs US) | ×0.93 | ×0.95 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.03 | ×1.03 |
| Local permit | $250 | $250 |
| Labor share | $5,950 | $6,000 |
| Materials/equipment | $3,950 | $4,000 |
These are 2026 planning figures for flat roof replacement, localized to each city — not formal quotes.
Is the gap worth worrying about?
1% is within noise for flat roof replacement — contractor selection and timing move the price more than which of these two metros you're in.
Flat roof replacement by type: Fond du Lac vs Green Bay
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 | Fond du Lac | Green Bay |
|---|---|---|
| EPDM (rubber) | $5,050–$11,800 | $5,100–$11,950 |
| TPO | $6,000–$12,750 | $6,100–$12,900 |
| PVC | $7,000–$14,700 | $7,050–$14,850 |
| Modified bitumen | $5,050–$10,850 | $5,100–$10,950 |
| Built-up roofing (BUR) | $6,500–$13,700 | $6,600–$13,900 |
All figures are 2026 localized planning estimates for flat roof replacement — get an actual quote before you commit.
Flat roof replacement by roof size: Fond du Lac vs Green Bay
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 | Fond du Lac | Green Bay |
|---|---|---|
| 1,000 sq ft (10 squares) | $4,100–$8,450 | $4,150–$8,550 |
| 1,500 sq ft (15 squares) | $5,050–$10,850 | $5,100–$10,950 |
| 2,000 sq ft (20 squares) | $6,000–$13,700 | $6,100–$13,900 |
| 2,500 sq ft (25 squares) | $7,450–$15,650 | $7,550–$15,850 |
| 3,000+ sq ft (30 squares) | $8,900–$18,550 | $9,000–$18,750 |
Treat these as 2026 localized estimates for flat roof replacement, not quotes from a contractor.
Cheapest time for flat roof replacement in either city
Why summer costs more: it's the only stretch shingles seal reliably, so every storm-damaged roof in the region is competing for the same crews. Reserve a spring slot during the slow winter season and you're not in that queue.
Where does a smart roofing budget go in 2026?
Two roofs of the same square footage can price hundreds apart because of something you can't see from the ground — the deck under the old shingles. Add the tear-off-versus-overlay call and the shingle grade, and you have the decisions that actually move the number.
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
Nail down the per-sheet decking rate in writing before anyone climbs up. Soft or rotted plywood is the most common mid-job discovery, and without an agreed number the crew names the price after they've already found the damage — turning a cheap quote into an open tab.
The do-it-right case
Pay for a full tear-off and quality underlayment, flashing and ventilation. An overlay saves money today but traps heat, voids some warranties and costs more at the next replacement.
Full tear-off, architectural shingles and a written deck-repair rate protect you from the two big risks — hidden rot and warranty gaps. The lowest storm-season bid is rarely the cheapest over the roof's life.
Fond du Lac vs Green Bay
Is flat roof replacement cheaper in Fond du Lac or Green Bay?
Fond du Lac wins on price: flat roof replacement runs about $9,900 there versus $10,000 in Green Bay, a gap of roughly $100 (1%) as of 2026.
Why does flat roof replacement cost more in Green Bay than Fond du Lac?
Green Bay's higher labor index (0.95 vs 0.93 in Fond du Lac) is the biggest factor, with the cold/cold climate split playing a smaller role.
How much is flat roof replacement in Fond du Lac, WI?
flat roof replacement in Fond du Lac runs $5,050–$14,700 as of 2026 — most jobs land near $9,900.
When is the cheapest time to buy flat roof replacement — and does it differ by city?
No, the seasonal pattern is the same in Fond du Lac and Green Bay: 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?
That would be a stretch. $100 is a one-time difference, not an ongoing one, and off-season buying plus apples-to-apples bids in Green Bay can close a good chunk of it. What matters more long-term is energy costs, climate and the condition of the home.
Compare flat roof replacement in other cities
Updated June 2026 · By Serhat Özçelik