92/100CR Score
Ranked #1 because of its Google rating and availability: 5.0★ from 89 Google reviews, open 24/7.
- 5.0★ from 89 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Best Roofers in Janesville, WI (2026)
364 roofers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Janesville: Basswood Roofing LLC, CR Score 92/100; 5.0★ from 89 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Smith Roofing and Exteriors, posts 24/7 hours; ranked #2 of 364.
- 7
Most-reviewed: Ridge Top Exteriors, 1,142 Google reviews at 4.8★, the most of 364 ranked; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
364 Janesville roofers are ranked here by CR Score, from 8 published factors. 59 are open 24/7, 208 open Saturdays and 109 open Sundays, based on posted hours. The median Google rating is 4.9★ across 364 rated businesses.
Top 10 roofers in Janesville at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Basswood Roofing LLC | 92 | 5.0★ (89) | Janesville | 24/7 | Overall |
| 2 | Smith Roofing and Exteriors | 91 | 5.0★ (322) | Fort Atkinson, 21 mi away | 24/7 | Emergencies |
| 3 | Aurum Contracting | 90 | 4.7★ (253) | Beloit, 10 mi away | 24/7 | — |
| 4 | Shamrock Construction | 90 | 4.9★ (221) | Roscoe, 18 mi away | 24/7 | — |
| 5 | Pro Restoration LLC | 90 | 4.8★ (347) | Machesney Park, 22 mi away | 24/7 | — |
| 6 | Brookens Construction | 89 | 4.9★ (979) | Madison, 40 mi away | 24/7 | — |
| 7 | Ridge Top Exteriors | 89 | 4.8★ (1,142) | Madison, 36 mi away | 24/7 | Most reviews |
| 8 | Storm Guard Roofing of Madison | 89 | 4.9★ (454) | Madison, 32 mi away | 24/7 | — |
| 9 | Infinity Exteriors | 89 | 4.9★ (335) | Madison, 30 mi away | 24/7 | — |
| 10 | Martin Exteriors Roofing & Siding | 89 | 4.7★ (225) | Roscoe, 18 mi away | 24/7 | — |
The 364 best roofers in Janesville, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Fort Atkinson, 21 mi away
91/100CR ScoreRanked #2 because of its Google rating and availability: 5.0★ from 322 Google reviews, open 24/7.
- 5.0★ from 322 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- N2603 Kutz Rd, Fort Atkinson, WI 53538
Based in Beloit, 10 mi away
90/100CR ScoreRanked #3 because of its Google rating and availability: 4.7★ from 253 Google reviews, open 24/7.
- 4.7★ from 253 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2426 Prairie Ave, Beloit, WI 53511
Based in Roscoe, 18 mi away
90/100CR ScoreRanked #4 because of its Google rating and availability: 4.9★ from 221 Google reviews, open 24/7.
- 4.9★ from 221 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5512 Clayton Cir, Roscoe, IL 61073
Based in Machesney Park, 22 mi away
90/100CR ScoreRanked #5 because of its Google rating and availability: 4.8★ from 347 Google reviews, open 24/7.
- 4.8★ from 347 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7848 Burden Rd, Machesney Park, IL 61115
Based in Madison, 40 mi away
89/100CR ScoreRanked #6 because of its Google rating and availability: 4.9★ from 979 Google reviews, open 24/7.
- 4.9★ from 979 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6592 Lake Rd # D, Windsor, WI 53598
Based in Madison, 36 mi away
89/100CR ScoreRanked #7 because of its Google rating and review volume: 4.8★ from 1,142 Google reviews, the most Google reviews on this list (1,142).
- 4.8★ from 1,142 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4620 Dovetail Dr, Madison, WI 53704
Based in Madison, 32 mi away
89/100CR ScoreRanked #8 because of its Google rating and availability: 4.9★ from 454 Google reviews, open 24/7.
- 4.9★ from 454 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2906 Marketplace Dr, Madison, WI 53719
Based in Madison, 30 mi away
89/100CR ScoreRanked #9 because of its Google rating and availability: 4.9★ from 335 Google reviews, open 24/7.
- 4.9★ from 335 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2830 Progress Rd, Madison, WI 53716
Based in Roscoe, 18 mi away
89/100CR ScoreRanked #10 because of its Google rating and availability: 4.7★ from 225 Google reviews, open 24/7.
- 4.7★ from 225 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 11704 Main St, Roscoe, IL 61073
Based in Janesville
89/100CR ScoreRanked #11 because of its Google rating and availability: 4.9★ from 25 Google reviews, open 24/7.
- 4.9★ from 25 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 20 E Milwaukee St number 105, Janesville, WI 53545
Based in Rockford, 32 mi away
88/100CR ScoreRanked #12 because of its Google rating and availability: 4.8★ from 420 Google reviews, open 24/7.
- 4.8★ from 420 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3466 Colony Bay Dr, Rockford, IL 61109
#13 DMR Exteriors
Based in Janesville
88/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 62 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 62 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 6811 W Thornapple Dr, Janesville, WI 53548
Based in Elkhorn, 23 mi away
87/100CR ScoreRanked #14 because of its Google rating and availability: 4.8★ from 130 Google reviews, open 24/7.
- 4.8★ from 130 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- W5270 Schmidt Rd, Elkhorn, WI 53121
Based in Rockford, 29 mi away
87/100CR ScoreRanked #15 because of its Google rating and availability: 4.9★ from 130 Google reviews, open 24/7.
- 4.9★ from 130 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4901 W State St, Rockford, IL 61102
Based in Janesville
87/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 53 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 53 Google reviews
- Hours
- Mon–Sun 9 AM–9 PM
- Address
- 20 E Milwaukee St, Janesville, WI 53545
Based in Beloit, 11 mi away
87/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 146 Google reviews, listed on Google as “Roofing contractor”.
- 4.9★ from 146 Google reviews
- Hours
- Mon–Fri 8 AM–8 PM · Sat 9 AM–8 PM · Sun 8 AM–8 PM
- Address
- 2113 Shear Ct, Beloit, WI 53511
Based in Madison, 30 mi away
87/100CR ScoreRanked #18 because of its Google rating and availability: 4.8★ from 173 Google reviews, open 24/7.
- 4.8★ from 173 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2117 S Stoughton Rd, Madison, WI 53716
#19 iRoof Exteriors
Based in Rockton, 15 mi away
87/100CR ScoreRanked #19 because of its Google rating and availability: 4.9★ from 36 Google reviews, open 24/7.
- 4.9★ from 36 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1116 Cannell Ct, Rockton, IL 61072
Based in Janesville
87/100CR ScoreRanked #20 because of its Google rating and availability: 4.7★ from 12 Google reviews, open 24/7.
- 4.7★ from 12 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3446 Stellar Dr, Janesville, WI 53548
Based in Rockton, 16 mi away
87/100CR ScoreRanked #21 because of its Google rating and availability: 4.7★ from 61 Google reviews, open 24/7.
- 4.7★ from 61 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 222 W Main St, Rockton, IL 61072
Based in Madison, 30 mi away
87/100CR ScoreRanked #22 because of its Google rating and availability: 4.9★ from 102 Google reviews, open 24/7.
- 4.9★ from 102 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2605 S Stoughton Rd Suite 400, Madison, WI 53716
Based in Rockford, 29 mi away
86/100CR ScoreRanked #23 because of its Google rating and availability: 5.0★ from 62 Google reviews, open 24/7.
- 5.0★ from 62 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 321 W State St #201, Rockford, IL 61101
Based in Rockford, 29 mi away
85/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 280 Google reviews, listed on Google as “Roofing contractor”.
- 4.9★ from 280 Google reviews
- Hours
- Mon–Sat 7 AM–5 PM · Sun 8 AM–5 PM
- Address
- 929 S Alpine Rd #201, Rockford, IL 61108
Based in Rockford, 29 mi away
85/100CR ScoreRanked #25 because of its Google rating and availability: 4.8★ from 55 Google reviews, open 24/7.
- 4.8★ from 55 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6019 Fincham Dr Suite #4, Rockford, IL 61108
Roofers ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 364 ranked roofers here; the rest are on their profiles.
Also serving Janesville
20 more roofers within 40 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| ABC Seamless of Janesville Inc | 5.0★ (43) | In Janesville |
| American Paint & Paper | 5.0★ (69) | In Janesville |
| American Seamless Gutters and Metal Roofing | 4.2★ (6) | 19 mi |
| Axis Contracting | 4.6★ (98) | 29 mi |
| Bob’s Custom Windows & Siding, Inc. | 4.8★ (29) | In Janesville |
| C&E Wurzer Construction | 4.7★ (19) | In Janesville |
| Connell Construction | 4.9★ (7) | In Janesville |
| DHI Roofing | 5.0★ (58) | 31 mi |
| Flood Pros Disaster Restoration Services | 4.6★ (33) | In Janesville |
| Four Leaf Roofing and Windows | 5.0★ (8) | 32 mi |
| G&G Rooter | 4.9★ (231) | In Janesville |
| Hp Roofing & Construction LLC - Commercial Roofing Contractor | 5.0★ (10) | 28 mi |
| Infinity Exteriors | 5.0★ (8) | 31 mi |
| J&B Quality Roofing | 5.0★ (22) | 38 mi |
| Luna Roofing, L.L.C. | 4.4★ (58) | 35 mi |
| Pana's Roofing and Siding | 3.7★ (12) | 22 mi |
| Pro Restoration LLC | 5.0★ (4) | 23 mi |
| Roof Maxx of Rockford, IL | 4.9★ (10) | 26 mi |
| SERVPRO of Rock County | 4.6★ (56) | In Janesville |
| Simmons Roofing | 5.0★ (3) | 20 mi |
How much do roofers cost in Janesville?
Typical prices in USD: adjusted for Wisconsin where a published index exists, national otherwise. Each row names its basis.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Roof replacement | $6,880 | $9,180 | $12,850 | Per project: asphalt shingles on a 1,700 sq ft home (about 2,000 sq ft of roof). US national range × 0.92 East North Central factor (2025 Cost vs. Value Report) | October 2026 |
| Roof repair | $395 | $1,174 | $1,968 | Per repair: typical range of customer-reported jobs. US national range | October 2026 |
How to check a roofer's license in Wisconsin
In Wisconsin, Wisconsin Department of Safety and Professional Services licenses Dwelling contractor certification for work on one- and two-family homes that needs a building permit.
- Search the business name or license number on the Wisconsin Department of Safety and Professional Services license lookup.
- Check that the status is active and the name matches the contract or truck.
- Ask for proof of insurance before work starts.
No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.
Guide checked October 2026. How we verify licenses
When to hire a roofer in Wisconsin
In Wisconsin, roofers are busiest from late spring to early fall, when shingles can be installed in mild, dry weather. After a big storm, get more than one quote and check the license or registration before signing.
How we ranked Janesville roofers
We scored 364 Janesville roofers on 8 factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. Unknown factors are left out of the score, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Janesville data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |
Roofers in Janesville: frequently asked questions
Who is the best roofer in Janesville?
By CR Score, the highest-ranked roofer in Janesville, WI is Basswood Roofing LLC with a CR Score of 92/100. It has 5.0★ from 89 Google reviews. It is open 24/7. Smith Roofing and Exteriors (#2) and Aurum Contracting (#3) follow. We ranked 364 roofers on 8 factors, last updated October 22, 2026.
How many roofers are there in Janesville?
ContractorsRanked ranks 364 roofers serving Janesville, WI. 13 of them are based in Janesville; the rest serve it from nearby towns. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.
Which roofers in Janesville are open 24/7?
59 ranked roofers in Janesville post 24/7 hours. The highest-ranked are Basswood Roofing LLC (#1), Smith Roofing and Exteriors (#2) and Aurum Contracting (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which roofers in Janesville work on weekends?
208 of 364 ranked roofers post Saturday hours and 109 post Sunday hours. The highest-ranked open Saturdays are Basswood Roofing LLC (#1), Smith Roofing and Exteriors (#2) and Aurum Contracting (#3). Posted hours are office hours; crews may book weekend jobs separately.
How do I check a roofer's license in Wisconsin?
In Wisconsin, Wisconsin Department of Safety and Professional Services handles licensing and covers Dwelling contractor certification for work on one- and two-family homes that needs a building permit. Search the business or license number at https://online.drl.wi.gov/LicenseLookup/OrgCredentialSearchResults.aspx.
How much does roof replacement cost in Janesville?
Roof replacement typically costs $6,880 to $12,850, with $9,180 typical (Per project: asphalt shingles on a 1,700 sq ft home (about 2,000 sq ft of roof). US national range × 0.92 East North Central factor (2025 Cost vs. Value Report)). The range is adjusted for Wisconsin. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Janesville roofers have?
The median Google rating among 364 rated roofers in Janesville is 4.9★, with a median of 21 reviews. Ridge Top Exteriors has the most, 1,142 reviews, and ranks #7. We adjust ratings for review count, so a few five-star reviews cannot top the list.
When is the best time to hire a roofer in Janesville?
In Wisconsin, roofers are busiest from late spring to early fall, when shingles can be installed in mild, dry weather. After a big storm, get more than one quote and check the license or registration before signing.
Update log for Janesville
- October 2026: CR Scores recalculated for 364 roofers serving Janesville.
- October 2026: 4 duplicate listings merged.
More roofers and Janesville pages
Roofers near Janesville
- Roofers in Milton, WI413 ranked
- Roofers in Edgerton, WI335 ranked
- Roofers in Beloit, WI277 ranked
- Roofers in Evansville, WI304 ranked
- Roofers in Whitewater, WI501 ranked
- Roofers in Stoughton, WI249 ranked
- Roofers in Fort Atkinson, WI433 ranked
- Roofers in Delavan, WI584 ranked
- Roofers in Elkhorn, WI725 ranked
- Roofers in Jefferson, WI466 ranked
Other trades in Janesville
- Plumbers in Janesville71 ranked
- Electricians in Janesville63 ranked
- HVAC contractors in Janesville83 ranked
- General contractors in Janesville104 ranked
- Painters in Janesville30 ranked
- Landscapers in Janesville50 ranked
- Handymen in Janesville13 ranked
- Kitchen remodelers in Janesville51 ranked
- Bathroom remodelers in Janesville54 ranked
- Flooring contractors in Janesville42 ranked
- Tile installers in Janesville8 ranked
- Concrete contractors in Janesville74 ranked
- Fence contractors in Janesville13 ranked
- Deck builders in Janesville30 ranked
- Siding contractors in Janesville214 ranked
- Window installers in Janesville166 ranked
- Gutter installers in Janesville39 ranked
- Insulation contractors in Janesville19 ranked
- Solar installers in Janesville32 ranked
- Garage door repair companies in Janesville20 ranked
- Foundation repair companies in Janesville46 ranked
- Tree services in Janesville56 ranked
- Masonry contractors in Janesville31 ranked
- Water damage restoration companies in Janesville110 ranked
- Home builders in Janesville136 ranked
- Demolition contractors in Janesville14 ranked
- All contractors in Janesville