Bolthole Index county-legal census · checked 2026-07-01
1 of Idaho's 44 counties — 2% — do not require a residential building permit in their unincorporated areas. That is the 23rd-largest count of any state. The strongest of them on the Bolthole Index is Idaho County (71/100). 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 736 counties nationwide → Idaho: no zoning → Idaho: no codes, no zoning → Full Idaho profile →
1 of 44 Idaho counties · sorted by Index score
The county states 'the only building requirements in Idaho County for properties outside of city limits or city areas of impact are State requirements' - Idaho County has not ad…
Idaho County - Building/Living in Idaho County ↗Every county here has a full profile — water, land prices, hazard safety, seclusion, and the rest of its building rules. See the Idaho state page for all 44 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.
