Free property tax calculator tailored for Wisconsin (WI). Calculate instantly with state-specific rates and rules.
Wisconsin has an effective property tax rate of 1.51%, producing an average annual bill of $3,472. The US national average is 1.07% — Wisconsin's rate is above, placing it at rank #40 out of 50 states (rank 1 = lowest).
Wisconsin requires assessment at full market value (100%). State law requires assessors to bring assessed values to full market value each year. The state Department of Revenue annually certifies assessment ratios for each municipality.
The Lottery and Gaming Credit reduces property tax bills for primary residences by an amount calculated from lottery and gaming revenues — the credit ranges from approximately $100 to $300/year depending on school district. The Homestead Credit provides income-based refunds to qualifying lower-income homeowners and renters.
No statewide cap on assessment increases, though the levy limit law restricts local governments from increasing the property tax levy by more than 0.1% annually without voter approval. This is effectively a near-zero revenue growth cap.
Wisconsin's property taxes are among the highest in the Midwest. The revenue cap limits levy growth but not individual property tax bills — as values redistribute, individual bills can swing significantly while total revenue stays flat.
The median home value in Wisconsin is $260,000. Milwaukee and Madison have seen 20-30% appreciation since 2020. Lake country communities (Waukesha County, Fond du Lac) have attracted urban buyers seeking space and outdoor recreation. At the 1.51% effective rate, a homeowner at the median value pays roughly $3,472/year in property taxes.
Data: Tax Foundation (2024), US Census Bureau ACS 2023, Zillow, ATTOM Data Solutions. Updated 2024–2025. Figures reflect state averages — consult a licensed professional for personalized advice.
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