Zoning · Wisconsin
Zoning in Wisconsin
Zoning (Municipal planning departments) data for ZIP codes in Wisconsin. Pick a ZIP below to dive into the zoning summary.
Last verified 2026-09-24 · methodology
What lands here
Not on zipradar yet. The plan is the ZIP's main zoning classes in plain English. Until then, the city planning department's official map is the source.
Source & refresh
Municipal planning departments. Refreshed annual plus ad-hoc rezonings. Primary source →
Wisconsin top concern
Lead pipes (Milwaukee), radon Zone 1
Wisconsin is uniformly Zone 1 radon. LCRR lead-service-line obligations heaviest in Milwaukee, Madison, Green Bay. Lake Michigan shoreline erosion expands FEMA AE zones in some lakefront counties.
See Wisconsin state page for the full state-level rollup across all 12 dimensions.
Read more on zoning
Editorial deep-dives explaining the source data, its limits, and how to read it.
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Plain-English guide to property tax millage rates, assessment ratios, and homestead exemptions. How county assessors compute your annual property tax bill.
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Every US state offers a homestead exemption that reduces property tax for owner-occupied homes. State-by-state amounts and how to file.