10 top-rated leak repair contractors serving Janesville
Janesville has 10 top-rated leak repair companies on this page, pulled from Google rather than a state file. The thinnest review count among them is 27; the thickest is 243. Rating aside, ask whoever answers in Janesville whether they'll find the source before they quote a fix.
Google Maps ratings checked · How we rank
37.4 innormal precipitation a year
Janesville's rain, by the numbers
Janesville averages 37.4 inches of rain a year, per NOAA's 1991-2020 climate normals.
June is typically the wettest single month, averaging 5.0 inches on its own.
That's the stretch of the year a small, contained leak in Janesville tends to turn into a stain worth calling about.
Data: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991-2020 (annual/seasonal and monthly, by station) (1991-2020), from the nearest NOAA station 4.2 mi away.
Storm risk near Janesville
On FEMA's county-level hazard index, wind risk around Janesville comes in at Relatively High.
A hard wind event can lift shingle edges or shift flashing on a Janesville roof just enough to start a leak that wasn't there the week before.
A post-storm look at the roof is a reasonable habit for any Janesville homeowner after a windy night.
- Hail
- Relatively High
- Strong wind
- Relatively High
- Hurricane
- Very Low
- Wildfire
- Very Low
Data: FEMA, National Risk Index for Natural Hazards - County-level table, v1.20 (v1.20, December 2025).
10 top-rated roof leak repair companies near Janesville
Strongest Google rating first, discounted when a business has barely been reviewed; that's not a license check, so confirm the paperwork before anyone gets on your roof.
Thiele Roofing & Construction
Roofing contractor
- Google rating
- Reviews
- 160
- Area
- Janesville 53545
DMR Exteriors
Roofing contractor
- Google rating
- Reviews
- 82
- Area
- Janesville 53548
Wilco Exteriors
Roofing contractor
- Google rating
- Reviews
- 87
- Area
- Janesville 53546
Tri-County Contracting
Roofing contractor
- Google rating
- Reviews
- 75
- Area
- Janesville 53546
Rooster Roofing
Roofing contractor
- Google rating
- Reviews
- 243
- Area
- Janesville 53545
Distinct Exteriors LLC
Roofing contractor
- Google rating
- Reviews
- 53
- Area
- Janesville 53545
RNF Roofing Company
Roofing contractor
- Google rating
- Reviews
- 30
- Area
- Janesville 53545
Roofing Built To Last
Roofing contractor
- Google rating
- Reviews
- 29
- Area
- Janesville 53545
H & H Exteriors Inc
Roofing contractor
- Google rating
- Reviews
- 27
- Area
- Janesville 53546
Infinity Exteriors
Roofing contractor
- Google rating
- Reviews
- 29
- Area
- Janesville 53545
Questions to ask a {city} roof leak repair company
- Can you find the actual source before you quote a repair, not just patch where the ceiling is wet?
- Is this a contained repair, or does it point to a bigger problem with the roof?
- Will you check the attic and insulation for existing water damage, not just the roof surface?
- What's your timeline if it's actively raining versus once it's dry?
- Do you offer a temporary tarp while a full repair is scheduled?
- What's covered by a workmanship warranty on the repair itself?