Flat roof in Wisconsin averages $8,640–$14,400 in 2026 — Wisconsin is a mid-range market, about 4% below the U.S. average. Costs vary by city, so use the calculator for a Wisconsin-rate estimate or pick your city below.
*Wisconsin average across all cities; individual cities vary with the local labor market.
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Wisconsin average pricing. Adjust for your roof.
Flat roof quotes vary widely between Wisconsin contractors and cities. Our calculator uses local 2026 labor data so you walk in informed.
Estimates adjusted for local labor rates in each Wisconsin city — not a national average.
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Typical flat roof cost in each Wisconsin city, adjusted for local labor rates. Click a city for a full local estimate and breakdown.
| City | Typical flat roof cost |
|---|---|
| Green Bay, WI | $8,550 – $14,250 |
| Madison, WI | $8,820 – $14,700 |
| Milwaukee, WI | $8,550 – $14,250 |
Average Wisconsin prices across all cities.
| Material | Installed $/sq ft (local) |
|---|---|
| EPDM Rubber | $3.84 – $8.64 |
| TPO | $4.8 – $9.6 |
| PVC | $6.24 – $12.48 |
| Modified Bitumen | $3.84 – $8.64 |
| Built-Up (BUR) | $4.32 – $9.6 |
Estimated total Wisconsin cost by roof area, at average Wisconsin labor rates.
| Roof Size | Typical Example | Wisconsin Total |
|---|---|---|
| 500 sq ft | Garage / small extension | $2,400 – $4,800 |
| 1,000 sq ft | Small home | $4,800 – $9,600 |
| 1,500 sq ft | Average home | $7,200 – $14,400 |
| 2,000 sq ft | Large home | $9,600 – $19,200 |
| 3,000 sq ft | Multi-family / commercial | $14,400 – $28,800 |
The factors that make Wisconsin flat roof quotes differ from city to city.
| Cost factor | How it affects your Wisconsin quote | Impact |
|---|---|---|
| Local labor rates | Wisconsin is a mid-range market — labor runs about 4% below the U.S. average, and it varies further between Wisconsin cities. | High |
| Material choice | Premium materials cost more per square foot but usually last longer. | High |
| Roof size & access | Bigger roofs cost more overall but less per square foot; steep or multi-story roofs add labor. | Medium |
| Tear-off & disposal | Removing the old roof adds roughly $1–$2.50 per sq ft. | Medium |
| Wisconsin permits | Most Wisconsin cities require a roofing permit ($150–$500), which your roofer pulls for you. | Low |
| Wisconsin climate | Local weather drives material choice — big temperature swings, snow and the occasional storm make durable, well-sealed roofing important in Wisconsin. | Medium |
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Across Wisconsin, flat roof averages $8,640–$14,400 in 2026 (about 4% below the U.S. average), but it varies by city — Green Bay and other metros differ from smaller towns. Use the city table above for a local figure.
Smaller Wisconsin cities and lower-cost metros sit at the bottom of the city table above; major metros run higher due to labor costs.
We cover 3 Wisconsin cities including Green Bay, Madison, Milwaukee.
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We connect homeowners across Wisconsin with licensed, insured local roofers — in every city listed above.