Accessory Structures in Hartford, CT (2026)
2 verified accessory structures rules for Hartford, Connecticut, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Hartford requires a zoning permit before an accessory dwelling unit is recognized, and caps its usable floor area at 50 percent of the main dwelling or 1,000 square feet, whichever is smaller.
Hartford ADU Permit Requirements
Some RestrictionsHartford Zoning Regulations § 3.5.1.A(1),(4)
(1)A property owner must file a zoning permit for an accessory dwelling unit prior to its recognition as an accessory dwelling unit. The property proposed for an accessory dwelling unit must contain one, but no more than one, residential structure occupied as a one-unit dwelling.(2)No property shall contain more than one accessory dwelling unit.(3)The accessory dwelling unit shall be located ei...
Shed & Carport Rules
Hartford classifies a detached shed as an 'Out Building' under its zoning code, requiring a 5-foot side and rear setback and limiting most residential lots to just one such structure.
Hartford Shed Setback Rules
Some RestrictionsHartford Zoning Regulations § 4.20.3.C (2022 ed.)
C.Out Building and Garage. A fully enclosed building on a lot that is detached from the principal structure on the same lot. A principal structure is required, unless otherwise stated. Typical Out Buildings include garages, pool houses, workshops, barns, or sheds.(1)Side and Rear Setback. Minimum side and rear setback of an Out Building shall be 5 feet.(2)Height. The height of the Out Building ...