Zoning · Iowa
Zoning in Iowa
Zoning (Municipal planning departments) data for ZIP codes in Iowa. 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 →
Iowa top concern
Radon Zone 1, agricultural water nitrates
Iowa is one of the highest-radon states in the US — uniformly Zone 1. Agricultural runoff drives EPA SDWIS nitrate violations in small rural systems and even Des Moines Water Works. Tornadoes peak April-June.
See Iowa state page for the full state-level rollup across all 12 dimensions.
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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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Plain-English guide to common US zoning codes: R-1 / R-2 / C-1 / C-2 / M-1 / MU. Why zoning matters for your home, your neighbors, and what you can build.
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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.