Accessory Structures in Danbury, CT (2026)
2 verified accessory structures rules for Danbury, Connecticut, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Danbury opted out of the state's 2021 mandate requiring cities to allow accessory apartments by right, so garage or basement apartments still need separate zoning approval under local rules.
Danbury Accessory Apartment Opt-Out
Significant RestrictionsDanbury Zoning Regulations § 3.C.7
Notwithstanding the provisions of Public Act 21-29 Section 6 effective January 1, 2022 to the contrary, the City of Danbury Zoning Commission affirmatively opts out of the provisions of subsections (a) to (d), inclusive, regarding the allowance of accessory apartments. (City Council voted to opt out 04/05/2022) 3-6 3.D. USE REGULATIONS: PERMITTED USES. 3.D.1. General Application. Permitte...
Shed & Carport Rules
Sheds and other detached accessory buildings in Danbury's residential districts cannot exceed 15 feet in height or, combined, cover more than half the floor area of the main house.
Danbury Accessory Building Size Limits
Some RestrictionsDanbury Zoning Regulations § 3.G.3
Detached buildings, structures and uses accessory to dwellings in residential districts shall be subject to the following restrictions: a. shall not be located in the required minimum front yard, except that a bus shelter may be located within the front yard setback provided it does not exceed the maximum size necessary for its purpose, that a paved surface to the curb is provided to facilitat...