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Deed activity · Iowa

Deed activity in Iowa

Deed activity (County recorders) data for ZIP codes in Iowa. Pick a ZIP below to dive into the deed activity summary.

Last verified 2026-05-13 · methodology

What lands here

Pages show the count of deeds filed in the ZIP over the last 30/90/365 days. Homeowner names and signatures are never cached; aggregation is to ZIP counts only.

Source & refresh

County recorders. Refreshed daily filings ingestion. 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.

Read more on deed activity

Editorial deep-dives explaining the source data, its limits, and how to read it.

3 Iowa ZIPs