Bolthole Index county-legal census · checked 2026-07-01
8 of South Dakota's 66 counties — 12% — require no residential building permit and have no county-wide zoning in their unincorporated areas. That is the 15th-largest count of any state. The strongest of them on the Bolthole Index is Tripp County (56/100). 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 → South Dakota: no building codes → South Dakota: no zoning → Full South Dakota profile →
8 of 66 South Dakota counties · sorted by Index score
Tripp County's official department directory lists no building, planning, or zoning office, consistent with rural South Dakota counties that do not administer building permits.
Tripp County Department Directory ↗Corson County's official department directory lists no building department or planning/zoning office; in local-option South Dakota this rural county appears not to administer bu…
Corson County SD - Official Website (Departments) ↗South Dakota is a local-option state for building codes and Jones County (pop. ~917) lists no building/planning department among its offices, so no county building permit is enf…
Jones County Government Offices (Murdo, SD) ↗The county's official Planning & Zoning page states Oglala Lakota County does not currently require a building permit for new construction outside the corporate limits of munici…
Oglala Lakota County - Planning & Zoning ↗The county's official department list shows no building/planning office or building official; South Dakota is local-option, so no county building permit appears to be required i…
Ziebach County - Home ↗South Dakota building regulation is local-option and Campbell County has no dedicated planning/building department or online permit program; the commission chair publicly stated…
KELOLAND News - Campbell County Considers Zoning ↗Buffalo County's official county-offices listing shows no building/inspection or planning office, and building codes/permits are local-option in South Dakota; no county resident…
Buffalo County, South Dakota - County Offices ↗Building permits and inspection are handled by the City of Philip; no county building department or inspector is evident, and unincorporated Haakon County (pop. ~1,870) appears …
Haakon County, SD - Official County Site ↗Every county here has a full profile — water, land prices, hazard safety, seclusion, and the rest of its building rules. See the South Dakota state page for all 66 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.
