Bolthole Index county-legal census · checked 2026-09-11
14 of Massachusetts's 14 counties — 100% — set no minimum dwelling size. That is the largest count of any state. The strongest of them on the Bolthole Index is Dukes County (71/100). 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 60 counties nationwide → Massachusetts: no zoning → Massachusetts: owner-builder → Full Massachusetts profile →
14 of 14 Massachusetts counties · sorted by Index score
Statewide rule. Local zoning ordinances and bylaws statewide, as to the interior area of a single-family residential building. This finding concerns zoning regulation; state bui…
General Law - Chapter 40A, Section 3 ↗Statewide rule. Local zoning ordinances and bylaws statewide, as to the interior area of a single-family residential building. This finding concerns zoning regulation; state bui…
General Law - Chapter 40A, Section 3 ↗Statewide rule. Local zoning ordinances and bylaws statewide, as to the interior area of a single-family residential building. This finding concerns zoning regulation; state bui…
General Law - Chapter 40A, Section 3 ↗Statewide rule. Local zoning ordinances and bylaws statewide, as to the interior area of a single-family residential building. This finding concerns zoning regulation; state bui…
General Law - Chapter 40A, Section 3 ↗Statewide rule. Local zoning ordinances and bylaws statewide, as to the interior area of a single-family residential building. This finding concerns zoning regulation; state bui…
General Law - Chapter 40A, Section 3 ↗Statewide rule. Local zoning ordinances and bylaws statewide, as to the interior area of a single-family residential building. This finding concerns zoning regulation; state bui…
General Law - Chapter 40A, Section 3 ↗Statewide rule. Local zoning ordinances and bylaws statewide, as to the interior area of a single-family residential building. This finding concerns zoning regulation; state bui…
General Law - Chapter 40A, Section 3 ↗Statewide rule. Local zoning ordinances and bylaws statewide, as to the interior area of a single-family residential building. This finding concerns zoning regulation; state bui…
General Law - Chapter 40A, Section 3 ↗Statewide rule. Local zoning ordinances and bylaws statewide, as to the interior area of a single-family residential building. This finding concerns zoning regulation; state bui…
General Law - Chapter 40A, Section 3 ↗Statewide rule. Local zoning ordinances and bylaws statewide, as to the interior area of a single-family residential building. This finding concerns zoning regulation; state bui…
General Law - Chapter 40A, Section 3 ↗Statewide rule. Local zoning ordinances and bylaws statewide, as to the interior area of a single-family residential building. This finding concerns zoning regulation; state bui…
General Law - Chapter 40A, Section 3 ↗Statewide rule. Local zoning ordinances and bylaws statewide, as to the interior area of a single-family residential building. This finding concerns zoning regulation; state bui…
General Law - Chapter 40A, Section 3 ↗Statewide rule. Local zoning ordinances and bylaws statewide, as to the interior area of a single-family residential building. This finding concerns zoning regulation; state bui…
General Law - Chapter 40A, Section 3 ↗Statewide rule. Local zoning ordinances and bylaws statewide, as to the interior area of a single-family residential building. This finding concerns zoning regulation; state bui…
General Law - Chapter 40A, Section 3 ↗Every county here has a full profile — water, land prices, hazard safety, seclusion, and the rest of its building rules. See the Massachusetts state page for all 14 counties ranked, or go back to the national list.
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.
