Bolthole Index

Bolthole Index county-legal census · checked 2026-09-29

Ohio Counties With No Building Codes and No Zoning

15 of Ohio's 88 counties — 17% — require no residential building permit and have no county-wide zoning in their unincorporated areas. That is the 11th-largest count of any state. The strongest of them on the Bolthole Index is Adams County (74/100). 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 563 counties nationwide → Ohio: no building codes → Ohio: no zoning → Ohio: owner-builder → Ohio: rv living → Ohio: tiny homes → Ohio: no minimum home size → Full Ohio profile →

15 of 88 Ohio counties · sorted by Index score

Keep exploring

Every county here has a full profile — water, land prices, hazard safety, seclusion, and the rest of its building rules. See the Ohio state page for all 88 counties ranked, or go back to the national list.

Off-grid gear

Building on land in one of these Ohio 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.