Rock County
Janesville, WI water damage cleanup and restoration
In Janesville, WI, the most common water damage sources are leaking appliances and plumbing, roof leaks and storm runoff. Janesville has 29,171 homes with a median build year of 1972: 30% predate 1960 and 13% were built since 2000, so plumbing ranges from original copper and galvanized lines to newer PEX. Restoration companies in our network serve 4 Janesville ZIP codes in Rock County.
Check a Janesville ZIP
Fast callback on emergency requests · 4 ZIP codes covered
Quick answer
For water, fire or smoke damage in Janesville, WI, shut off the water or power if it's safe, then call (833) 462-1975. We connect you with an independent restoration company that serves your ZIP; 4 Janesville ZIP codes are covered. Drying should start within 24 to 48 hours to prevent mold.
Local risks
What causes water damage in Janesville
Pipes from every era
With a median build year of 1972, Janesville has everything from galvanized and copper lines to PEX. Older homes see pipe and drain failures; newer ones see more appliance and fitting leaks.
Ice dams
Snow and cold create ice dams on older roofs.
Frozen pipes
Extended subzero stretches freeze pipes in exterior walls.
Seasonal risks, licensing and FEMA history across the state are on the Wisconsin page.
Census data
Janesville homes by the numbers
- Homes
- 29,171
- Median year built
- 1972
- Built before 1960
- 30%
- Owner-occupied
- 67%
Among the 22 Wisconsin cities with pages on this site, Janesville ranks #7 by number of homes and has older housing than 48% of them (median build year 1972). Its share of pre-1960 homes (30%) is close to the 34% average for those cities.
Source: U.S. Census Bureau, American Community Survey 2019–2023 5-year estimates (tables B25034, B25035, B25003); 66,428 residents per the 2024 population estimate.
Disaster history in Rock County
Since 2000, FEMA has included Rock County in 4 major disaster declarations: 3 severe storms, 1 flood. The most recent was Severe Storms, Tornadoes, and Flooding in 2026 (DR-4923).
Source: OpenFEMA disaster declarations, retrieved October 5, 2026.
FAQ
Janesville water damage questions
Who do I call for water damage in Janesville?
For water, fire or smoke damage in Janesville, WI, shut off the water or power if it's safe, then call (833) 462-1975. We connect you with an independent restoration company that serves your ZIP; 4 Janesville ZIP codes are covered. Drying should start within 24 to 48 hours to prevent mold.
How old are homes in Janesville?
The median home in Janesville was built in 1972. About 30% of its 29,171 homes were built before 1960 and 13% in 2000 or later, according to the Census Bureau's American Community Survey. Older homes are more likely to have corroded pipes and drains; newer homes see more appliance and supply-line leaks.
Has Rock County had federally declared disasters?
Yes. Since 2000, FEMA has included Rock County in 4 major disaster declarations for storms, floods, fires and similar events, most recently Severe Storms, Tornadoes, and Flooding (2026). Federal assistance is only available for declared events; most water damage is handled through homeowners or flood insurance.
Do you cover all of Janesville?
Restoration companies in our network cover 4 Janesville ZIP codes. Coverage is set ZIP by ZIP, so enter yours in the ZIP checker or call to confirm a company serves your address.
Common calls
Most requested in Janesville
ZIP codes covered in Janesville
53545, 53546, 53547, 53548
Water damage help near Janesville
- Water damage restoration in Beloit, WI11 mi
- Water damage restoration in Fitchburg, WI29 mi
- Water damage restoration in Rockford, IL30 mi
- Water damage restoration in Madison, WI35 mi
- Water damage restoration in Sun Prairie, WI36 mi
- Water damage restoration in Waukesha, WI45 mi
- Water damage restoration in Crystal Lake, IL47 mi
- Water damage restoration in New Berlin, WI49 mi
Also covered in Rock County: Beloit · Edgerton · Evansville · Milton · Clinton · Orfordville · Footville
Guides for Janesville homeowners
Water damage in Janesville?
Stop the source if you can, then call. We'll connect you with a local restoration company that serves your ZIP.
Fast callback on emergency requests