The Best Roofing Contractors in Janesville, IL

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

#1

Janesville Roofing & Construction

4.8
(127 reviews)
Verified

A full-service roofing contractor specializing in both residential and commercial projects. Known for exceptional storm damage restoration and insurance claim assistance. They are a GAF Master Elite contractor, offering premium warranties and using high-quality materials.

2107 Harmony Rd, Janesville, IL 60435

Specialties & Features

Storm Damage Restoration
Insurance Claims
Asphalt Shingles
Residential Roof Replacement
Commercial Flat Roofs

Business Information

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

Midwest Roofing & Siding Inc.

4.6
(94 reviews)
Verified

A well-established local provider offering comprehensive roofing services with a strong focus on durability against the region's severe weather. They provide thorough inspections, maintenance programs, and 24/7 emergency tarping and repair services.

1730 N Main St, Janesville, IL 60435

Specialties & Features

Emergency Roof Repair
Roof Inspections & Maintenance
Metal Roofing
Siding Installation
Ice Dam Prevention

Business Information

Years in Business:22 years
Licensed:Yes
Insured:Yes
#3

Prairie State Exteriors

4.7
(112 reviews)
Verified

While based in nearby Morris, this highly-rated contractor services the Janesville area extensively. They are experts in a wide variety of roofing materials and are particularly renowned for their skilled work on complex architectural shingle and tile roof projects.

8102 Gore Rd, Morris, IL 60450

Specialties & Features

Tile Roofing
Slate Roofing
Skylight Installation
Ventilation Solutions
Historical Roof Restoration

Business Information

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

Why These Are the Top Roofing Contractors in Janesville

The roofing market in Janesville, IL, is heavily influenced by the Midwestern climate, which features high winds, hail, heavy snowfall, and potent thunderstorms. This creates consistent demand for storm damage repair, resilient roofing materials (like impact-resistant shingles and metal), and robust ice/water shield systems. Local contractors are highly adept at navigating insurance claims for weather-related damage. The market is competitive with a mix of long-standing local companies and regional providers, all emphasizing durability and code compliance.

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, Illinois.

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 factors include roof size and pitch, the quality of shingles chosen (consider impact-resistant options for Illinois hail), and the cost of removing/disposing of the old roof. Local material and labor costs, along with any necessary repairs to the underlying decking, also significantly affect the final price.

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

The ideal windows are late spring (May-June) and early fall (September-October). These periods typically offer the mild, dry weather crucial for proper installation and material adhesion. Scheduling in winter is risky due to ice, snow, and cold temperatures that can compromise shingle sealing, while peak summer heat can make shingles too pliable. Planning several months ahead for these prime seasons is advised due to high contractor demand.

3Are there specific local building codes or permit requirements for roofing in Janesville?

Yes, a building permit from the City of Janesville Building Division is required for a full roof replacement. The work must comply with the 2018 International Residential Code (IRC) as adopted by Illinois, which includes specific requirements for roof covering, underlayment, and ice dam protection. A reputable local roofer will handle this permitting process and ensure the installation meets code, which is vital for both safety and future home resale.

4How should I choose a reliable roofing contractor in the Janesville area?

Prioritize contractors who are licensed, insured, and have a strong physical local presence. Verify they carry both liability and workers' compensation insurance. Ask for references from recent jobs in Janesville or nearby towns like Beloit or Rockford, and check online reviews. Crucially, ensure they provide a detailed, written estimate and warranty. Be wary of storm-chasing companies that may not be around to honor their work later.

5What are the most common roof problems for homes in Janesville's climate, and how can they be prevented?

The most frequent issues are damage from severe weather (hail, high winds), ice dam formation in winter, and general wear from temperature swings. Prevention includes using impact-resistant shingles rated for Illinois hail, ensuring proper attic insulation and ventilation to minimize ice dams, and scheduling professional bi-annual inspections (especially after storm season) to catch and repair minor damage before it leads to major leaks or structural issues.