Looking for a metal roofing contractor in Janesville, WI? Describe your project once and up to three metal roofing contractors who work in Janesville and Rock County get back to you with a quote. It's free and there is no obligation.
Janesville is home to about 66,428 people (2024 Census Bureau estimate), a growing community (+1.2% since 2020). With 1,918 people per sq mi, it is a suburban area. Storms, sun and long-term costs make metal roofs a popular choice here.
Janesville at a glance
- Population (Census Bureau estimate, 2024)
- 66,428 (+1.2% since 2020)
- Rank in Wisconsin
- 10th of 607 cities and towns
- Land area
- 35 sq mi
- Population density
- 1,918 people per sq mi (suburban)
- Type
- City (Janesville city)
- Main county
- Rock County
What to check before hiring in Janesville
- License and permit: in Wisconsin, check the roofer's license and the roofing permit.
- Ratings: ask for wind and fire ratings matching local requirements.
- Insurance: some insurers credit impact-rated or metal roofs.
- Price drivers: roof size and pitch, panel type, tear-off and flashings.
Useful official resources
-
Metal Construction Association
Official information and guidance.
-
NRCA
Official information and guidance.
Services available in Janesville
-
Metal roof installation
New or replacement metal roof with underlayment, flashings and the permit.
Frequently asked questions in Janesville
How much does a metal roof cost in Janesville, WI?
It depends on the size, pitch and system. Describe your roof: roofers who serve Janesville reply with a quote.
How long does installation take?
Often a few days to a week.
Does it lower insurance?
Some insurers offer credits for impact-rated roofs; ask yours.
Which metal roofing contractors will contact me?
Up to three independent metal roofing contractors who serve Janesville and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.