1 county-level rule, plus city-specific rules for 1 city in Hartford County, Connecticut.
Verified from official government sources
Connecticut abolished operational county governments in 1960; Hartford County is a Census/judicial region only. Since 2022 the Greater Hartford area is served by the Capitol Planning Region (CRCOG, 38 municipalities). ADU regulation occurs at the town level under home rule and is governed by Conn. Gen. Stat. Sec. 8-2 (zoning enabling act). Public Act 21-29 (HB 6107, 2021) requires municipalities zoning under Sec. 8-2 to allow ADUs as of right on lots with single-family homes unless the town has formally opted out. Hartford, West Hartford, East Hartford, Manchester, and Bristol each set their own ADU dimensional, occupancy, and permit standards through local zoning regulations.
1 cities in Hartford County have their own accessory structures rules. Each link goes to that city's dedicated page with code citations.
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