Bolthole Index county-legal census · checked 2026-10-02
1 of Iowa's 99 counties — 1% — allow tiny homes as a dwelling. That is the 24th-largest count of any state. The strongest of them on the Bolthole Index is Warren County (59/100). Every entry below cites the county’s own official source.
Rules change, and cities inside these counties set their own — treat this as a verified starting point, not legal advice. All 407 counties nationwide → Iowa: no building codes → Iowa: no zoning → Iowa: no codes, no zoning → Iowa: owner-builder → Iowa: no minimum home size → Full Iowa profile →
1 of 99 Iowa counties · sorted by Index score
Tiny homes permanently affixed to a permanent foundation in the PR and VR zoning districts. Tiny homes are conditionally permitted only in PR and VR districts. They must be perm…
Warren County, Iowa Zoning Ordinance and Code of Ordinances ↗Every county here has a full profile — water, land prices, hazard safety, seclusion, and the rest of its building rules. See the Iowa state page for all 99 counties ranked, or go back to the national list.
Off-grid gear
Building on land in one of these Iowa counties? The kit we'd start with:
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General guidance, not legal advice. Off-grid, building, and land-use rules are often set at the county level and change often. Verify with your county and state before acting. Data reviewed 2026-06-26.
