🏠 Official Rankings
10 Best Roofers in Janesville, WI (August 2026)
We compared 10 roofers serving Janesville and Rock County, Wisconsin, and ranked the top providers by verified reviews, ratings, and local reputation — 729 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by Basswood Roofing LLC. Updated for August 2026.
- Roofers ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 729
Rooster Roofing
⭐ 4.9 · 227 reviews
2000 E Racine St Ste 130, Janesville, WI 53545
Thiele Roofing & Construction
⭐ 4.9 · 136 reviews
2134 US-14, Janesville, WI 53545
Tri-County Contracting
⭐ 4.9 · 50 reviews
1352 Excalibur Dr, Janesville, WI 53546
RNF Roofing Company
⭐ 5.0 · 31 reviews
12 N Parker Dr, Janesville, WI 53545
H & H Exteriors Inc
⭐ 5.0 · 27 reviews
4021 Commercial Drive, Janesville, WI 53546
Weatherseal Insulation and Roofing, LLC
⭐ 5.0 · 22 reviews
1220 W Court St, Janesville, WI 53548
Infinity Exteriors
⭐ 4.9 · 28 reviews
20 E Milwaukee St number 105, Janesville, WI 53545
Bob’s Custom Windows & Siding, Inc.
⭐ 4.7 · 34 reviews
1015 N Parker Dr, Janesville, WI 53545
Roofers listed here serve Janesville, Rock County, and nearby ZIP codes including 53545, 53546, 53547, 53548.