Bolthole Index

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

Washington Counties With an Owner-Builder Exemption

39 of Washington's 39 counties — 100% — let an owner build their own home without a licensed contractor. That is the 31st-largest count of any state. The strongest of them on the Bolthole Index is Stevens County (70/100). 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 2952 counties nationwide → Washington: no zoning → Washington: rv living → Washington: tiny homes → Washington: no minimum home size → Full Washington profile →

39 of 39 Washington 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 Washington state page for all 39 counties ranked, or go back to the national list.

Off-grid gear

Building on land in one of these Washington 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.