Roofers in Janesville, Wisconsin
22 roofing companies are listed for Janesville. Your request goes to one roofer, not five.
Short answer: None of the 22 roofers listed for Janesville has a license match on the state registry yet, so ask any roofer for a license number and look it up before you sign. A standard asphalt re-roof on a 2,000 sq ft Janesville home runs $6,580–$14,570 at the local 0.94× cost index, and a metal roof $15,980–$37,600. NOAA's storm record for the county shows hail up to 2.75 in., so get an inspection after a big storm before you accept a quote.
A new asphalt roof in Janesville runs $6,580 to $14,570
$6,580 Typical $10,600 High
$14,570
Asphalt-shingle re-roof, 2,000 sq ft home, at Janesville prices. Source and share of home value below.
Got a quote? See where it falls in Janesville
Compares your price per square foot with the Janesville installed range (tear-off and underlayment included). Not a judgment of any one roofer.
How much life is left in my Janesville roof?
Typical lifespans are published ranges for each material; for a Janesville house, real life also depends on installation, attic ventilation and the weather Janesville gets.
If insurance covers it, what do I pay in Janesville?
Only if the claim is approved. The ACV math is a straight-line example over a 25-year life; insurers writing Janesville policies use their own schedules, so check your policy.
Has hail hit my Janesville roof since it was installed?
County-level hail reports for Janesville from the NOAA archive this page uses; a county report is not proof of damage at your Janesville address.
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We matched your request with a local roofing contractor in Janesville. They will reach out once they have reviewed it.
Roofers in Janesville, WI
22 listed. Roofers we verified against a public registry come first.
Show 14 more roofers
Who you can hire in Janesville
A phone number and a star rating say little about a roofer. These counts show what is on file.
The Janesville roster, checked
0 of 22 listed firms have a licence number on file (0%). None has been matched in the official state registry yet, so no firm here carries the Verified badge. A number on file is not a check: how verification works.
Source: PickARoofer contractor registry · data as of 2026-10-01Roofers at work around Janesville
70 roofers
The Bureau of Labor Statistics counts about 70 people working as roofers in the Janesville-Beloit, WI Metro Area, 2.9% of the 2,400 in Wisconsin.
That counts workers, not companies, and it includes crews who work for a single firm. It is the size of the local trade, not a list of who to call.
Source: BLS OEWS, roofers · data as of May 2025Where the roofers for Janesville are based
Every listed firm is based in Janesville; the ring is the 25-mile radius we use to match hail reports to the city.
The map needs JavaScript. The tables list the same places.
Map © OpenStreetMap contributors. Hail: NOAA Storm Prediction Center local storm reports. Towns: our roster, Janesville ring = 25 miles.
Listed roofers by home town
| Based in | Miles away | Listed | Checked |
|---|---|---|---|
| Janesville, WI | in town | 22 | 0 |
Nearby city pages
- Kenosha, WI 61 mi
- Racine, WI 63 mi
The Storm Prediction Center logged no hail reports within 25 miles in the last 90 days.
Janesville in numbers
Source under each figure.
- #48of 209Freeze-thaw days: Janesville ranks #48 of 209.
Costliest storm day on record
Jun 22, 2024
6 reports that day (5 wind, 1 tornado); reported property damage $24,808,000; county FIPS 55105, 2014–June 2026
Source: NOAA Storm Events · data as of 2014–June 2026Roofing trade around Janesville
- 21 county firms with payroll, about 55 workers; 76% under 5 employees.
- A roofer's median pay here is $63,310 a year (Janesville-Beloit, WI Metro Area).
When hail hits Janesville
Rock County, 2014 to June 2026: NOAA hail reports.
Reports by month
April is the heaviest month in Rock County: 23 of 74 hail reports (31%). Reports fall in 9 of 12 months; the best three-month run, April to June, holds 54%.
Worst full year: 2025, with 18 reports and 1 day of 1.75 in hail or larger; 3.4x the 5-report mean.
4 days of 1.75-inch hail or larger, across 3 of 12 full years; last one 2026 so far.
Days with 1.75 in hail or larger, by year
| 2014 | 1 |
|---|---|
| 2015 | 0 |
| 2016 | 0 |
| 2017 | 0 |
| 2018 | 0 |
| 2019 | 0 |
| 2020 | 0 |
| 2021 | 0 |
| 2022 | 1 |
| 2023 | 0 |
| 2024 | 0 |
| 2025 | 1 |
Year by year
| Year | Reports | Days 1″+ | Days 1.75″+ | Largest |
|---|---|---|---|---|
| 2014 | 5 | 3 | 1 | 1.75″ |
| 2015 | 2 | 1 | 0 | 1″ |
| 2016 | 4 | 2 | 0 | 1″ |
| 2017 | 3 | 2 | 0 | 1″ |
| 2018 | 3 | 1 | 0 | 1.5″ |
| 2019 | 2 | 2 | 0 | 1″ |
| 2020 | 2 | 1 | 0 | 1″ |
| 2021 | 4 | 2 | 0 | 1″ |
| 2022 | 9 | 2 | 1 | 2″ |
| 2023 | 2 | 1 | 0 | 1.25″ |
| 2024 | 10 | 2 | 0 | 1.5″ |
| 2025 (worst full year) | 18 | 2 | 1 | 2.75″ |
| 2026 (to June) | 10 | 4 | 1 | 2″ |
Shaded: worst full year.
Source: NOAA Storm Events · data as of 2014 to June 2026Janesville storm record: Rock County
NWS reports for Rock County, 2014–2026.
- 1853Founded
- 853 ft (260 m)Elevation
Reported hail locations, Rock County
- 431 to 1.74 in
- 141.75 to 2.74 in, golf ball to tennis ball
- 32.75 in and up, baseball
Largest plotted stone: 2.75 in. Bigger dots are bigger stones.
60 reports of 1 inch or larger have coordinates. Each dot is a reported location, not a storm path.
Sources: NOAA, Census county outlineBiggest hail days
| Date | Largest hail | Reports that day | Where it was reported |
|---|---|---|---|
| April 18, 2025 | 2.75 in, about the size of a baseball | 11 | Evansville |
| July 23, 2022 | 2 in, about the size of a hen egg | 5 | Mallwood |
| April 17, 2026 | 2 in, about the size of a hen egg | 4 | Beloit |
“Numerous reports of wind damage were received. Destructive, large hail and flash flooding also occurred.”Source: NOAA Storm Events Database · data as of 2014–2026
National Weather Service report, July 23, 2022
Last hail of 1.75 in or more
April 17, 2026
4 days like it since 2014.
Strongest tornado
EF2 · February 8, 2024
It stayed on the ground for 13.71 miles and was up to 750 yards wide. Beginning section of the second tornado to ever occur in February in Wisconsin. Storm chaser/spotter/public videos show the tornado beginning around 5:39pm south of Evansville.
Strongest thunderstorm gust
85 mph · June 10, 2026
Trained spotter estimates 85 MPH wind gusts from observations and home weather station.
Storm data: NOAA Storm Events (public domain). City facts: Wikidata (CC0).
Rock County fact sheet for Janesville homeowners
Housing age, federal disaster declarations and your state's claim deadlines in one place. All three come from public records, county level.
How old are the roofs? Homes in Rock County by decade built
| pre-1940 | 19.1% |
|---|---|
| 1940s | 7.3% |
| 1950s | 10.9% |
| 1960s | 13.3% |
| 1970s | 15.3% |
| 1980s | 7.8% |
| 1990s | 11.6% |
| 2000s | 10.2% |
| 2010s | 3.9% |
| 2020+ | 0.7% |
70,694 homes, median built in 1970. 65.8% date from before 1980 and 4.6% from 2010 on; 70.6% are owner-occupied. The most common decade is the pre-1940.
Source: U.S. Census Bureau, American Community Survey · data as of ACS 5-yearInsurance claim clocks in Wisconsin
| Who | What has to happen | Time limit | Statute |
|---|---|---|---|
| Insurer | Pay the claim once written notice of the covered loss and its amount is given | 30 days | Wis. Stat. §628.46(1) |
Go deeper on Rock County
Roofing services in Janesville
One page per job, each opening with a Janesville figure.
-
Roof Repair
Median home built 1972; 95 freeze-thaw days a year, so cracks reopen.
-
Storm Damage Repair
Top stone 2.75 in, 25 days of 1 in+ hail; dents metal, cracks tile.
-
Emergency Roof Repair
51 days at 58+ mph, top gust 85 mph; ask crews about same-day tarping.
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Roof Inspection
63.2% of homes predate 1980; 66.5% are owner-occupied, so check old flashing first.
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Metal Roofing
Median home $209,700; golf-ball hail on 4 days, so style and cost lead.
-
Flat Roof
Ponding risk: 5.6 days a year with 1 in of rain, 38.6 in a year in total.
-
Commercial Roofing
26% of units are multi-unit; 21 roofing firms with payroll in the county.
What a new roof costs in Janesville
Asphalt-shingle re-roof, 2,000 sq ft home, at Janesville prices.
That typical price is about 5.1% of the median Janesville home value ($209,700).
Source: Census ACS (Janesville city) · data as of 2019–2023Full Janesville cost guide by material →
Not sure the whole roof has to go? Repair or replace calculator.
Wisconsin: Licensing varies. Licence check for WI roofers
Roofing in Janesville: local conditions
Janesville, WI sits in southern Wisconsin with a climate that delivers genuine roofing punishment across all seasons. The record high of 103 F and record low of -31 F produce extreme thermal range that cycles sealants and metal flashing through expansion and contraction. Average annual snowfall of 36.6 inches is the dominant structural stressor: heavy frontal snow events load flat and low-slope roofs while repeated melt-refreeze cycles form ice dams that force water under shingles. Spring and summer thunderstorms bring hail and straight-line wind risk common across southern Wisconsin, adding granule loss and wind-uplift exposure to the seasonal damage profile.
Janesville's 2020 census population was 65,615. After the General Motors Assembly Plant -- the oldest GM plant in North America prior to closing -- shut down in December 2008, the economy shifted toward healthcare and public sector anchors including Mercy Health System and the Janesville School District. The closure left a large industrial building stock requiring ongoing maintenance and re-roofing, while the surrounding residential neighborhoods hold aging housing that drives demand for residential contractors.
Roofing in Janesville: questions
How much does roof replacement cost in Janesville, WI?
How do I find a reliable roofer in Janesville?
How long does a roof replacement take in Janesville?
When is the best time to replace a roof in Janesville?
Do I need a permit to replace my roof in Janesville, WI?
Will homeowners insurance cover roof damage in Janesville?
How do I spot hail damage on a Janesville roof?
What are the main weather stressors for roofs in Janesville, WI?
What should I verify before hiring a roofing contractor in Janesville?
Are impact-resistant shingles worth the cost in Janesville, WI?
Roofers by neighborhood
ZIP codes served: 53546, 53567, 53517, 53502, 53589
More roofers in Wisconsin
More pages near Janesville
- Commercial Roofing in La Crosse, WI
- Commercial Roofing in Oshkosh, WI
- Emergency Roof Repair in La Crosse, WI
- Metal Roofing in Oshkosh, WI
Roof leaking now in Janesville? Request emergency repair; flagged requests go first.
Janesville: data sources and method.