Bolthole Index county-legal census · checked 2026-09-26
2 of New Mexico's 33 counties — 6% — set no minimum dwelling size. That is the 19th-largest count of any state. The strongest of them on the Bolthole Index is Otero County (47/100). 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 423 counties nationwide → New Mexico: no zoning → New Mexico: owner-builder → Full New Mexico profile →
2 of 33 New Mexico counties · sorted by Index score
County zoning minimum dwelling-size controls in Otero County. No county zoning requirement was identified; building-code and other non-zoning requirements may apply.
Zoning | Otero County, NM ↗County zoning-based minimum dwelling size in unincorporated Quay County. No county prescriptive zoning regulation establishes a minimum dwelling size. State building-code requir…
Quay County Comprehensive Plan ↗Every county here has a full profile — water, land prices, hazard safety, seclusion, and the rest of its building rules. See the New Mexico state page for all 33 counties ranked, or go back to the national list.
Off-grid gear
Building on land in one of these New Mexico 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.