Bolthole Index

Bolthole Index county-legal census · checked 2026-10-07

South Dakota Counties With No Building Codes

8 of South Dakota's 66 counties — 12% — do not require a residential building permit in their unincorporated areas. That is the 16th-largest count of any state. The strongest of them on the Bolthole Index is Tripp County (58/100). 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 627 counties nationwide → South Dakota: no zoning → South Dakota: no codes, no zoning → South Dakota: owner-builder → South Dakota: tiny homes → South Dakota: no minimum home size → Full South Dakota profile →

From the South Dakota guide

Which South Dakota counties don't require a building permit?

South Dakota has 8 counties without residential building permits for unincorporated land: Tripp County, Corson County, Jones County, Oglala Lakota County, Ziebach County, Campbell County, Buffalo County, Haakon County.1 Another 11 counties have requirements limited to some cases, while 47 require residential building permits.23 Use the no-building-codes county list to begin comparing locations.1

South Dakota's default 2024 International Building Code design standard for covered construction begun after July 1, 2026 excludes residential structures, mobile or manufactured homes, and farmsteads and their accessory structures.13 That exclusion does not waive local zoning or other requirements.14 An owner doing electrical work in a qualifying owner-occupied residence or farmstead still needs an approved homeowner wiring permit and inspections; the owner exemption concerns electrical licensure.11

Read the full South Dakota guide →

Sources

  1. Bolthole Index county rulebook, 66 South Dakota counties, as of October 10, 2026: South Dakota counties that do not require a residential building permit in unincorporated areas
  2. Bolthole Index county rulebook, 66 South Dakota counties, as of October 10, 2026: South Dakota counties that require a residential building permit only in some cases (for example floodplain or certain structures)
  3. Bolthole Index county rulebook, 66 South Dakota counties, as of October 10, 2026: South Dakota counties that require a residential building permit in unincorporated areas
  4. South Dakota: South Dakota Electrical Commission - Homeowner Wiring, quoted and re-checked
  5. South Dakota: Codified Law 11-10 - Building Codes and Standards, quoted and re-checked
  6. South Dakota: South Dakota Codified Law Chapter 11-10: Building Codes and Standards, quoted and re-checked

From the South Dakota guide, written from the cited official sources and re-checked by an independent reviewer. This is research, not legal advice: confirm with the office before you buy or build.

8 of 66 South Dakota 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 South Dakota state page for all 66 counties ranked, or go back to the national list.

Off-grid gear

Building on land in one of these South Dakota 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.