Bolthole Index county-legal census · checked 2026-09-24
1 of Delaware's 3 counties — 33% — allow tiny homes as a dwelling. That is the 6th-largest count of any state. The strongest of them on the Bolthole Index is New Castle County (44/100). 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 344 counties nationwide → Delaware: owner-builder → Full Delaware profile →
1 of 3 Delaware counties · sorted by Index score
Small single-family homes, including tiny homes, used as accessory dwelling units on qualifying single-family detached residential lots in unincorporated New Castle County. The …
NCC2050 Housing Initiatives ↗Every county here has a full profile — water, land prices, hazard safety, seclusion, and the rest of its building rules. See the Delaware state page for all 3 counties ranked, or go back to the national list.
Off-grid gear
Building on land in one of these Delaware 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.
