The Best Roofing Contractors in Janesville, WI

Compare the highest-rated roofing professionals in Janesville, Wisconsin. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

S&K Roofing, Siding, and Windows

4.8
(225 reviews)
Verified

A highly-rated, full-service exterior remodeling contractor with a strong focus on roofing. They are a GAF Master Elite contractor, one of the top certifications in the industry, and specialize in storm damage restoration and insurance claims. They serve both residential and commercial clients.

2719 Kennedy Rd, Janesville, WI 53545

Specialties & Features

Storm Damage Restoration
Insurance Claims
Asphalt Shingle Roofing
Residential & Commercial Roofing
Roof Inspections

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Roofing by Randy

4.7
(118 reviews)
Verified

A reputable, locally-owned and operated roofing contractor known for personalized service and high-quality workmanship. They have extensive experience with the hail and wind damage common to southern Wisconsin and offer comprehensive repair, replacement, and inspection services.

Serves Janesville, WI (Based in S. Wisconsin)

Specialties & Features

Residential Roof Replacement
Storm Damage Repair
Roof Leak Repair
Emergency Tarp-In Services
Attic Ventilation

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Badger Roofing & Construction

4.6
(94 reviews)
Verified

A trusted regional contractor that services the Janesville area. They are known for their professionalism and expertise in handling a wide variety of roofing materials and complex projects, including steep-slope and historic home roof replacements.

Serves Janesville, WI (Based in S. Wisconsin)

Specialties & Features

Metal Roofing
Tile & Slate Roofing
Steep-Slope Roofing
Historical Restoration
New Construction Roofing

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes

Why These Are the Top Roofing Contractors in Janesville

The Janesville roofing market is active due to the region's volatile weather patterns. Contractors must be well-versed in repairing damage from severe hailstorms, high winds, and heavy snow loads common in Southern Wisconsin. This necessitates expertise in navigating insurance claims for storm damage. The housing stock includes a mix of historic homes requiring specialized materials and modern subdivisions using primarily asphalt shingles. Reputable local contractors are typically GAF or CertainTeed certified, fully licensed, and insured to comply with Wisconsin state law.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Janesville regulations and climate

Frequently Asked Questions About Roofing in Janesville

Get answers to common questions about roofing services in Janesville, Wisconsin.

1What is the typical cost range for a new asphalt shingle roof in Janesville, and what factors influence the price?

For a standard single-family home in Janesville, a full asphalt shingle roof replacement typically ranges from $8,500 to $15,000. Key cost factors include the roof's size and pitch, the quality of shingles (consider impact-resistant options for Wisconsin hail), and the extent of underlying decking repair needed. Local material and labor costs, along with the complexity of your roof's design (valleys, dormers), also significantly impact the final estimate.

2When is the best time of year to schedule a roof replacement in Janesville, WI?

The ideal window for roofing in Janesville is typically late spring through early fall (May to October), when temperatures are reliably above 45°F for proper shingle sealing. Summer is peak season, so booking early is advised. While some contractors work into late fall, Wisconsin's unpredictable early snow and freezing temps can delay projects and compromise installation quality, making winter installations generally inadvisable.

3Are there specific roofing materials or features recommended for Janesville's climate?

Absolutely. Given Wisconsin's freeze-thaw cycles, heavy snow loads, and potential for severe hail and high winds, homeowners should prioritize durability. We recommend impact-resistant (Class 4) asphalt shingles, proper ice and water shield membrane in valleys and eaves to prevent ice dam leaks, and ensuring your roof system meets local building codes for wind uplift resistance. Proper attic ventilation is also critical to mitigate ice dam formation.

4How do I choose a reputable roofing contractor in Janesville?

Always verify a contractor is licensed and insured in Wisconsin, and specifically carries workers' compensation and liability insurance. Check for strong local references and physical business addresses in the area. Look for established companies familiar with Janesville's specific building codes and permit requirements. Be wary of storm-chasing contractors who appear after major hail events and always get detailed, written estimates from multiple local providers.

5Do I need a permit to replace my roof in Janesville, and how do ice dams affect my project?

Yes, a building permit from the City of Janesville Development Services is required for a full reroof. Your reputable local contractor will usually handle this. Regarding ice dams—a common Wisconsin issue—a proper replacement should include installing a waterproof underlayment (ice and water shield) along the eaves and improving attic insulation and ventilation. This addresses the root cause by keeping the roof deck cold and preventing snow melt.