Janesville Property Tax Rate
Rock County, Wisconsin
Janesville is located in Rock County, Wisconsin. Homeowners in Janesville pay a median of $3,669 per year in property taxes on a home valued at $209,700, resulting in an effective tax rate of 1.75%. This is 9% higher than the Rock County average of 1.60%.
1.75%
vs 1.60% county avg
$3,669
Per year
$209,700
2024 estimate
65,813
Janesville, WI
How Janesville Compares
Cities in Rock County
Compare property tax rates for 2 cities in Rock County, Wisconsin.
| City | Annual Tax | Rate |
|---|---|---|
| Beloit | $2,499 | 1.87% |
| Janesville | $3,669 | 1.75% |
About Property Taxes in Janesville
Property taxes in Janesville are collected by Rock County. Tax exemptions available to Rock County residents — including homestead, senior, and disability exemptions — also apply to homeowners in Janesville. For detailed information on available exemptions and the county tax collector, see the Rock County property tax page.
Property Tax Calculator
Estimate your annual property tax in Janesville
Estimated Annual Property Tax
$5,250
$438/month · Rate: 1.75%
Rock County Property Taxes
County-level data, exemptions, historical trends, and tax collector info.
View county details →Wisconsin Property Taxes
Statewide rates, all 72 counties, and exemptions.
View state details →Think your property tax is too high?
Homeowners save an average of $1,148/year by appealing their assessment.
Learn How to Appeal →Frequently Asked Questions
Data Source: U.S. Census Bureau, 2024 American Community Survey 5-Year Estimates. City-level tax data is derived from Census place-level statistics. Effective tax rates are calculated by dividing median real estate taxes paid by median home value. Actual property tax rates may vary based on local taxing jurisdictions, exemptions, and assessment practices. This information is for general reference only and should not be used as a substitute for professional tax advice.