Coverage · Iowa

Johnson County, IA property data

Parceled covers 129,910 parcels in Johnson County, IA, with building permits, zoning, historic designations, building codes and hail history available through one API and MCP server.

Updated · Parceled

Parcels
129,910
County FIPS
19103
Snapshot
October 30, 2026

What property data is available for Johnson County?

DatasetJohnson County
Parcel boundaries129,910 parcels
Tax assessor recordsNot yet
Owner name and mailing addressNot yet
Market or assessed valueNot yet
Year builtNot yet
Last sale dateNot yet
Building permits44,397 permits since 2016, latest October 28, 2026
Roofing permits536
Zoning1 zoning jurisdiction
Buildable-area screensYes
Historic designations97
Adopted building codes1 jurisdiction
Hail history (radar)Yes, every county in the contiguous US

How do I query Johnson County property data?

Bulk-search every parcel in the county with `search_properties` using `state: "IA"` and `county: "103"` (the county FIPS code 19103), or look up one address with `search_parcels`. Check any single property for free with `check_availability`.

{
  "name": "count_properties",
  "arguments": { "state": "IA", "county": "103" }
}

Frequently asked questions

How do I find who owns a property in Johnson County?

Search the address on the Johnson County assessor's website, or query Parceled's `search_parcels` for owner name and mailing address. See how to find a property owner by address.

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