Barnstable ADU Bylaw Analysis
UPDATEDProvision-by-provision analysis of Barnstable's ADU bylaw against Massachusetts Chapter 150 and 760 CMR 71.00.
Barnstable Bylaw Consistency
Barnstable Zoning Ordinance §240-47.2 (May 2025 amendments) · Last updated May 2025
Last reviewed: February 15, 2026
What This Means
Barnstable has the lowest approval rate in the tracker at 19%. The entrance visibility requirement and site plan review process appear to be limiting approvals. Builders should factor in a longer timeline and potential pushback from planning staff.
Permit Activity
6 of 31 approved (19%)Share of 2025 applications approved in 2025
Data Provenance
Reviewed: February 15, 2026
AG action: None
Bylaw source: Zoning Ordinance · retrieved February 19, 2026
Version date not published; analysis based on publicly available text retrieved February 19, 2026
10 provisions analyzed against Chapter 150
Full Compliance Analysis Available
We've mapped 10 provisions in Barnstable's ADU bylaw against Massachusetts Chapter 150. Enter your details to get the full provision-by-provision analysis.