Janesville, WI · Storm Damage Repair

Storm Damage Roof Repair in Janesville, Wisconsin

Hail or wind damage? Get a free assessment and insurance help. 22 local roofers listed.

Short answer: After hail or wind damage in Janesville, photograph the roof and book an inspection before you call the insurer: coverage and reporting deadlines depend on your policy and circumstances. This is general information; check your policy and contact your insurer promptly. In Janesville: 25 days with hail 1 inch or larger, 2014–June 2026. Ask any roofer for a license number and a certificate of insurance.

Get a free quote See Janesville in numbers
  • 25days with hail 1 inch or larger, 2014–June 2026
  • 2.75 inlargest hailstone reported
  • 15tornadoes in the county, 2014–2026 (strongest EF2)
  • 1972median year homes were built

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.

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Storm damage in Janesville ranges from a few missing shingles after a severe thunderstorm to widespread hail bruising that ages the entire roof surface at once. When a storm moves through Janesville, have a contractor inspect within 30 days: early documentation of any damage keeps an insurance claim straightforward if coverage applies.

Janesville in numbers

Public records for Janesville and its county, not estimates. Each figure shows its source.

  • #48of 209Janesville ranks #48 of the 209 cities we cover for freeze-thaw days.

Hail reports per year in the county

Hail events per year in the county, 2017 to 2026* 3 2017 3 2018 2 2019 2 2020 4 2021 9 2022 2 2023 10 2024 18 2025 10 2026*
Hail events per year in the county, 2017 to 2026*
20173
20183
20192
20202
20214
20229
20232
202410
202518
2026*10

63 recorded events across 9 full years plus 2026 to June represented in the data, about 5.9 per represented full year. 2025 had the most events among represented full years: 18.

2026 covers only January to June: NOAA's file ends there, so it is not counted as the worst year or in the yearly average.

Source: NOAA hail events, county level · data as of 2017–2026*

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 2026

When storms hit Janesville

Hail reports by month in the county, all years combined 0 Jan 1 Feb 5 Mar 23 Apr 10 May 7 Jun 10 Jul 12 Aug 5 Sep 1 Oct 0 Nov 0 Dec
Hail reports by month in the county, all years combined
Jan0
Feb1
Mar5
Apr23
May10
Jun7
Jul10
Aug12
Sep5
Oct1
Nov0
Dec0

Most hail reports come in April; the season runs March to September. Book inspections and repairs before that window, not after.

Source: NOAA Storm Events · data as of 2014–June 2026

Roofing trade around Janesville

  • 21 roofing companies with payroll in the county, employing about 55 people; 76% have fewer than 5 employees.
  • A roofer's median pay here is $63,310 a year (Janesville-Beloit, WI Metro Area).
Source: Census CBP · data as of 2023 Source: BLS OEWS, roofers · data as of May 2025

Janesville storm record: Rock County

What the National Weather Service logged in Rock County in 2014–2026. County level, because storm reports are filed by county, not by city limits.

  • 1853Founded
  • 853 ft (260 m)Elevation

Where hail of 1 inch or more was reported in Rock County

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  • 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 outline

Biggest hail days

DateLargest hailReports that dayWhere 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.”
National Weather Service report, July 23, 2022
Source: NOAA Storm Events Database · data as of 2014–2026

Last big hail on record

April 17, 2026

Hail of 1.75 inches (golf ball) or larger fell on 4 days in 2014–2026. Our records end where NOAA's do, so a newer storm may not be listed yet.

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.

What it means for storm damage repair

In 2014–2026, NOAA logged 4 days with hail of 1.75 inches or larger in Rock County. After a day like that, photograph the roof before anyone tarps it and keep the date: insurers ask for it.

Storm data: NOAA Storm Events (public domain). City facts: Wikidata (CC0).

What it costs in Janesville

Asphalt-shingle re-roof, 2,000 sq ft home, adjusted for Janesville labor and material prices. Your quote depends on roof size, pitch and scope.

That typical price is about 5.1% of the median Janesville home value ($209,700).

Source: Census ACS (Janesville city) · data as of 2019–2023

Full Janesville cost guide by material →

What Janesville's climate means for storm damage repair

  • Ice-dam leaks in Janesville surface as ceiling stains near the eaves; these are storm-related water claims worth documenting separately from ordinary wear.

Roofers in Janesville, WI

22 listed, first 20 shown. Roofers we verified against a public registry come first.

This list covers roofing companies generally. Confirm storm damage repair experience, materials, insurance and current availability with each company. A Verified badge refers to the registry check, not a confirmed specialty.

Storm Damage Repair in Janesville: questions

How do I find a storm damage repair company in Janesville?
PickARoofer lists roofing companies serving Janesville, WI. This is a general roofing directory; confirm storm damage repair experience and availability with each company. A Verified badge describes a separate registry check, not a confirmed service specialty or insurance check. Confirm scope, insurance and availability directly. Requests go to one contractor at a time, with up to three attempts; a response or start date is not guaranteed. Free for homeowners.
Should I repair or fully re-roof in Janesville?
Ask a roofer to document the damage and compare a written repair scope with a replacement estimate. Roof condition, remaining life, materials and the extent of damage affect the decision. Confirm any inspection fee before booking.
How big does hail get near Janesville?
The largest hail NOAA logged near Janesville measured 2.75 inches, about the size of a baseball. Hail of an inch or more fell on 25 days in the same record. The biggest day was April 18, 2025, with 11 reports. The National Weather Service calls hail of 1 inch or larger severe; the bigger the stone, the more likely it is to crack a shingle.
How long does a Wisconsin insurer have to answer a roof claim?
Wisconsin sets time limits in writing. For example, the insurer must respond to a communication about your claim (acknowledge it) within 10 days (Wis. Admin. Code Ins 6.11(3)(a)1. and (4)). The full list and a date calculator are on our Wisconsin claim-deadlines page: pickaroofer.com/claim-deadlines/wi.
When is hail season in Janesville?
April is the worst month: 31% of the 74 hail reports NOAA holds for the county came then. Reports run from March to September. Book the inspection before March, while crews still have open dates.
What does roofing cost in Janesville?
For an average 2,000 sq ft home we model asphalt-shingle re-roof at $6,580 to $14,570 in Janesville, around $10,600 in the middle. That is about 5.1% of the median home value of $209,700. Your quote moves with roof size, pitch and how many layers come off.
How many roofing companies work around Janesville?
The Census Bureau counts 21 roofing companies with payroll in Rock County, employing about 55 people. 76.2% of them have fewer than five employees, so most quotes come from owner-run crews. A roofer's median pay is $63,310 a year (BLS).
Does my homeowner policy cover storm roof damage in Janesville?
Standard homeowner policies cover sudden storm damage — hail, wind, fallen trees — but not gradual wear, neglect, or pre-existing damage. In Janesville, document any damage immediately after the storm, file within the policy window (typically one year), and have a local contractor produce a written scope tied to the storm event rather than general roof condition. A contractor experienced with insurance-assisted repairs can meet your adjuster on-site to make sure nothing is missed.
How quickly can storm damage be repaired in Janesville?
Timing for emergency tarping to stop active water intrusion depends on crew availability and weather, so ask when a contractor calls. Full storm-damage repair — tear-off, decking assessment, new shingles or panels — typically takes one to three days once materials are sourced. After a major regional storm event, expect scheduling delays of one to three weeks as local contractor capacity fills up. PickARoofer sends your request to a contractor serving your area, who contacts you directly.
Do I need a permit for storm damage repair in Wisconsin?
Permit requirements depend on the property, scope of work and local jurisdiction. Check with the city or county building department and confirm who will obtain any required permit before work starts.

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Figures above: NOAA Storm Events Database (hail, wind, tornado; county of the city, 2014–2026), U.S. Census Bureau American Community Survey 5-year estimates (housing), NASA POWER (temperature and rain, 2014–2023). Prices: our published price method. How we collect data.