Bolthole Index county-legal census · checked 2026-10-10
1 of Arizona's 15 counties — 7% — allow tiny homes as a dwelling. That is the 32nd-largest count of any state. The strongest of them on the Bolthole Index is Cochise County (45/100). 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 547 counties nationwide → Arizona: owner-builder → Full Arizona profile →
From the Arizona guide
Arizona RV occupancy has county-level answers for 11 counties: 2 temporary-only, 8 limited and 1 prohibited, with 0 classified as allowed; the remaining 4 counties are unconfirmed.7 Navajo County and Graham County have temporary-only RV answers, subject to their county rules.7 Arizona’s long-term RV rental-space law concerns qualifying rented spaces in RV or mobile-home parks, rather than general permission to live in an RV on private land.22
Tiny-home occupancy has answers for 9 counties: 1 allowed and 8 limited, while 6 remain unconfirmed.8 Cochise County allows tiny homes used as dwellings where the applicable zoning permits single-family dwellings.8 Use the Arizona tiny-home county guide to start a search, then ask the county building and zoning offices about the proposed unit and parcel; the limited answers include different conditions for site-built homes, homes on wheels and park models.8
From the Arizona 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.
1 of 15 Arizona counties · sorted by Index score
Tiny homes used as single-family dwellings in unincorporated Cochise County. The tiny home must be located where single-family dwellings are allowed under the applicable county …
Tiny Houses ↗Every county here has a full profile — water, land prices, hazard safety, seclusion, and the rest of its building rules. See the Arizona state page for all 15 counties ranked, or go back to the national list.
Off-grid gear
Building on land in one of these Arizona 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.
