CARW is proud to support the great work of the Wisconsin Policy Forum and the interactive Property Values Data Tool. This tool explores key trends in statewide property values and tax levies which are important indicators of the state’s economic health, the cost borne by taxpayers, and the finances of its local governments. Users can view separate analyses of southeast Wisconsin and Dane County data, or explore the statewide data themselves, filtering by municipality or county to easily create custom reports. It also shows the breakdown of commercial, residential, and manufacturing property types.
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The data reveal several key findings:
- Gross property taxes by all local governments grew 5.8% statewide in 2025, which was the most since 2007. In Dane County, the gross property tax levy for all local governments increased by 9.9%, the most since 1992, and the city of Madison saw an 11.9% increase for all taxing authorities, the most since 1985.
- Equalized property values increased 7.6% statewide in 2026 – a modest slowdown from 8.3% last year and the slowest rate since 2021.
- The gross property tax rate statewide declined for the twelfth consecutive year, from $15.03 per $1,000 of equalized property value in 2024 to $14.68 in 2025, a 2.3% drop.