Bolthole Index

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

Missouri Counties With No Building Codes

75 of Missouri's 115 counties — 65% — do not require a residential building permit in their unincorporated areas. That is the 2nd-largest count of any state. The strongest of them on the Bolthole Index is Texas County (81/100). 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 → Missouri: no zoning → Missouri: no codes, no zoning → Missouri: owner-builder → Missouri: rv living → Missouri: tiny homes → Missouri: no minimum home size → Full Missouri profile →

From the Missouri guide

Which Missouri counties don't require a building permit?

Missouri has 75 counties without a residential building-permit requirement, including Texas County, Bollinger County, Dallas County.1 Another 8 counties require building permits only in certain cases, while 29 require residential building permits; the limited category is separate from the no-permit category.89 Building-permit status remains unconfirmed in 3 counties.11

Use the Missouri no-building-codes list to narrow a search, then ask the chosen county's building office about the proposed structure: Missouri's framework relies on local code adoption.12 Missouri's farm-structure fire-ordinance exemption does not establish an exemption from every building, zoning, floodplain or septic requirement.17

Read the full Missouri guide →

Sources

  1. Bolthole Index county rulebook, 115 Missouri counties, as of October 10, 2026: Missouri counties that do not require a residential building permit in unincorporated areas
  2. Missouri: RSMo Section 64.170, quoted and re-checked
  3. Bolthole Index county rulebook, 115 Missouri counties, as of October 10, 2026: Missouri counties that require a residential building permit only in some cases (for example floodplain or certain structures)
  4. Bolthole Index county rulebook, 115 Missouri counties, as of October 10, 2026: Missouri counties that require a residential building permit in unincorporated areas
  5. Bolthole Index county rulebook, 115 Missouri counties, as of October 10, 2026: Missouri counties whose building-permit or zoning answer we could not confirm
  6. Missouri: RSMo Section 64.003 — Farm buildings and farm structures, quoted and re-checked

From the Missouri 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.

75 of 115 Missouri 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 Missouri state page for all 115 counties ranked, or go back to the national list.

Off-grid gear

Building on land in one of these Missouri counties? The kit we'd start with:

These are affiliate links — we may earn a commission, at no cost to you. As an Amazon Associate, Bolthole Index earns from qualifying purchases.

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.