Roof Repair Contractors in Janesville, Wisconsin

22 local contractors available (showing the first 20)  · Leak or damaged shingles? Get same-week repair quotes.  · Exclusive leads only

Most roof repair calls in Janesville trace to freeze-thaw: sealant around chimneys and vents cracks over winter, lifted shingles let meltwater behind, and ice dams push water under the eave course before anyone notices inside. Minor repairs in Janesville run a few hundred dollars for localized damage; larger scopes covering multiple damaged sections or re-decking work cost more and may warrant comparing repair cost against a full replacement estimate.

22 contractors in Janesville cover this service through PickARoofer. Costs for roof repair in Janesville depend on roof size, pitch, material, and scope of damage. The Janesville cost guide reflects typical Wisconsin market rates.

What Janesville's climate means for roof repair

  • Most Janesville repair calls trace to freeze-thaw: cracked sealant, lifted shingles, and failed flashing that let meltwater in — catch these before they reach the deck.
  • Ice-dam repairs are routine in Janesville — improving eave flashing and attic ventilation fixes the cause, not just the stain.

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Materials That Hold Up in Janesville

For ordinary wear, architectural asphalt shingles handle wind better than basic 3-tab and last 25 to 30 years, while metal pays off over a 40-plus year life. Sound underlayment and proper attic ventilation through the ridge vent and soffit keep the deck dry and protect the manufacturer warranty. A local roofer can measure your square footage and pitch and match materials to your budget.

Local note: 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.

Roof Repair contractors here serve Janesville ZIP codes 53546, 53567, 53517, 53502, 53589.

Local Roof Repair Contractors in Janesville, WI

Adams & Sons Roofing Ltd.
Roofing Contractor serving Janesville, WI — reachable on a local (608) number.
26 S Arch St, Janesville, WI 53548
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Aurum Contracting
Roofing Contractor serving Janesville, WI — reachable on a local (608) number.
2426 Prairie Ave, Beloit, WI 53511
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Basswood Roofing LLC
Roofing Contractor serving Janesville, WI — reachable on a local (262) number.
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Buckshot General Contracting
Roofing Contractor serving Janesville, WI — reachable on a toll-free (866) number.
17312 W Hafeman Rd, Brodhead, WI 53520
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C & R Roofing
Roofing Contractor serving Janesville, WI — reachable on a local (608) number.
223 Clover Ln, Janesville, WI 53548
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DMR Exteriors
Roofing Contractor serving Janesville, WI — reachable on a local (608) number.
6811 W Thornapple Dr, Janesville, WI 53548
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Distinct Exteriors LLC
Roofing Contractor serving Janesville, WI — reachable on a local (608) number.
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H & H Exteriors Inc
Roofing Contractor serving Janesville, WI — reachable on a toll-free (855) number.
4021 Commercial Drive, Janesville, WI 53546
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Infinity Exteriors
Roofing Contractor serving Janesville, WI — reachable on a local (608) number.
20 E Milwaukee St number 105, Janesville, WI 53545
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JM Construction Group, LLC
Roofing Contractor serving Janesville, WI — reachable on a local (608) number.
425 E Milwaukee St, Janesville, WI 53545
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Martindale Pinnacle Construction
Roofing Contractor serving Janesville, WI — reachable on a local (608) number.
1828 N Washington St #100, Janesville, WI 53548
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Parkview Roofing
Roofing Contractor serving Janesville, WI — reachable on a local (608) number.
Janesville, WI 53546
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RNF Roofing Company
Roofing Contractor serving Janesville, WI — reachable on a local (773) number.
12 N Parker Dr, Janesville, WI 53545
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Rock River Roofing & Exteriors
Roofing Contractor serving Janesville, WI — reachable on a local (608) number.
27 E Racine St, Janesville, WI 53545
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Roofing Built To Last
Roofing Contractor serving Janesville, WI — reachable on a local (743) number.
20 E Milwaukee St, Janesville, WI 53545
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Rooster Roofing
Roofing Contractor serving Janesville, WI — reachable on a local (608) number.
2000 E Racine St Ste 130, Janesville, WI 53545
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S & S Roofing Co
Roofing Contractor serving Janesville, WI — reachable on a local (608) number.
2406 S Riverside Dr, Beloit, WI 53511
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Thiele Roofing & Construction
Roofing Contractor serving Janesville, WI — reachable on a local (608) number.
2134 US-14, Janesville, WI 53545
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Total Exteriors LLC
Roofing Contractor serving Janesville, WI — reachable on a local (608) number.
2113 Shear Ct, Beloit, WI 53511
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Tri-County Contracting
Roofing Contractor serving Janesville, WI — reachable on a local (608) number.
1352 Excalibur Dr, Janesville, WI 53546
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Roof Repair in Janesville — FAQ

Minor roof repairs — fixing a few missing shingles, sealing flashing around a chimney, patching small leak areas — run $300–$1,000. Larger repairs covering multiple damaged sections, re-decking, or replacing large areas of shingles cost $1,500–$4,500. Emergency after-hours repair adds a 20–40% premium. Get a free inspection estimate from a local contractor before committing.
If your roof is under 15 years old and damage is localized to less than 30% of the surface, repair is usually the right choice. If the roof is over 20 years old, has widespread wear, or if repair costs exceed 50% of replacement cost, a full replacement is more economical long-term. Many contractors offer free inspections to help you decide — there's no obligation to book.
Most minor residential roof repairs are completed in 2–6 hours. Larger repairs — replacing a section of decking, re-flashing multiple areas, or patching a large leak zone — take 1–2 full days. Emergency same-day repairs for active leaks are prioritized by most local contractors.
PickARoofer lists local roof repair contractors in Janesville, WI compiled from public records. Contractors whose license we have independently confirmed against the official state registry show a Verified badge. Submit your request above and it goes to one local contractor, never resold — free for homeowners.
Most Wisconsin jurisdictions require a building permit for a re-roof or tear-off; minor repairs often do not. A reputable local contractor pulls the permit, schedules the inspection, and builds to code. No statewide license; local permits required.
If the roof is under 15 years old and damage covers less than about a third of the surface, a repair to the shingles, flashing, or drip edge usually makes sense. Past 20 years, or when repair nears half the cost of a re-roof, a full tear-off is the better long-term value. A free inspection settles it.
Freeze-thaw cycling is responsible for the majority of Janesville roof repair calls: water works into a small gap — at a chimney seal, step flashing joint, or a lifted shingle tab — freezes overnight, expands, and opens the gap wider. By spring the entry point is large enough to allow active leaking every rain event. Flashing repairs and re-sealing penetrations each fall, before the first hard freeze, is the most cost-effective maintenance step for Janesville homeowners.
A repair holds when it addresses the actual entry point and the surrounding shingles and underlayment are still in sound condition. The rough rule: if the roof is under 15 years old and damaged area covers less than 30 percent of the surface, a repair is usually the right call. Past 20 years, or when repair cost approaches half the replacement estimate, a full tear-off makes more financial sense long-term. A free inspection from a Janesville contractor settles the question without any obligation.

Roof Repair Cost in Janesville, WI

A typical asphalt-shingle re-roof in Janesville runs $6,580–$14,570; final roof repair pricing depends on roof size, pitch, and scope. Full local price ranges by material and repair type are in the Janesville cost guide → — or get a free personalized estimate above.