Bolthole Index county-legal census · checked 2026-07-01
7 of Wyoming's 23 counties — 30% — require no residential building permit and have no county-wide zoning in their unincorporated areas. That is the 16th-largest count of any state. The strongest of them on the Bolthole Index is Crook County (72/100). 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 623 counties nationwide → Wyoming: no building codes → Wyoming: no zoning → Full Wyoming profile →
7 of 23 Wyoming counties · sorted by Index score
Crook County's Growth & Development office administers subdivision and wastewater permits but no county-wide building code or residential building permit is issued, consistent w…
Crook County Growth & Development (Planning) ↗Fremont County states it has no county-specific building codes and only recommends the Wyoming-adopted codes; there is no county building permit for new construction in unincorp…
Fremont County - Building Codes & Certificates of Occupancy ↗Wyoming has no statewide building code; the Wyoming County Commissioners Association survey (Sept 2023) lists no building permit issued by Johnson County, and the county Plannin…
Wyoming County Commissioners Association — County Zoning, Licensing and Permitting Survey (2023) ↗Weston County's only local land use regulations are subdivision regulations; the county does not administer a building code, and specific improvements are permitted by state age…
Weston County - Planning and Zoning ↗Converse County has no county-wide building code and issues no general residential building permit; its permits/regulations cover subdivision, floodplain, and small wastewater o…
Converse County Permits & Regulations ↗Wyoming has no statewide building code; the Wyoming County Commissioners Association survey (Sept 2023) reports no building permit and no contractor licensing issued by Washakie…
Wyoming County Commissioners Association — County Zoning, Licensing and Permitting Survey (2023) ↗The county Planning & GIS page states plainly that "Currently Goshen County does not have Zoning Regulations or Building Inspections," so no county residential building permit i…
Goshen County - Planning & GIS ↗Every county here has a full profile — water, land prices, hazard safety, seclusion, and the rest of its building rules. See the Wyoming state page for all 23 counties ranked, or go back to the national list.
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.