Bolthole Index county-legal census · checked 2026-09-11
4 of Michigan's 83 counties — 5% — set no minimum dwelling size. That is the 5th-largest count of any state. The strongest of them on the Bolthole Index is Houghton County (89/100). 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 60 counties nationwide → Michigan: no zoning → Michigan: owner-builder → Michigan: rv living → Full Michigan profile →
4 of 83 Michigan counties · sorted by Index score
County-level zoning minimum dwelling-size requirements in unincorporated Houghton County The county states there is no county-wide zoning and directs applicants to the municipal…
Building Department | Houghton County, Michigan ↗Minimum dwelling-size zoning requirements in Missaukee County townships and other unincorporated areas. The county page states that townships have no zoning; the incorporated ci…
Building Permitting & Information ↗Countywide zoning-based minimum dwelling-size requirements in unincorporated Osceola County. Osceola County has no countywide zoning ordinance. Townships, villages, and cities w…
Zoning ↗County-level zoning regulation of minimum dwelling size in unincorporated Marquette County. Marquette County states that it does not have a zoning ordinance. Township and city z…
Local Zoning Analysis ↗Every county here has a full profile — water, land prices, hazard safety, seclusion, and the rest of its building rules. See the Michigan state page for all 83 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.
