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HB 5507

AN ACT PROMOTING THE DEVELOPMENT OF ACCESSORY DWELLING UNITS.

2026 Regular Session Introduced by Aundré Bumgardner and 4 co-sponsors

Connecticut bill to ease accessory dwelling unit construction, increasing housing supply while potentially limiting local zoning control over residential properties.

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Bill Summary · HB 5507

Legislative bill overview

HB 5507 is a Connecticut bill that addresses accessory dwelling units (ADUs)—secondary residential units on single-family property lots. The bill modifies state regulations to facilitate ADU construction, likely by reducing local zoning restrictions, streamlining permitting processes, or clarifying legal status. The specific provisions aren't detailed in the action log, but ADU legislation typically aims to increase housing supply and affordability.

Why is this important

Connecticut faces a housing shortage and affordability crisis, particularly in coastal and high-demand areas. ADUs can increase housing stock without large-scale development, generate rental income for homeowners, and provide more affordable housing options. This bill could significantly impact local housing markets and property tax revenues, while addressing statewide housing availability concerns.

Potential points of contention

  • Local control vs. state mandates: Towns may resist state-level requirements that override local zoning authority, fearing neighborhood character changes and increased density
  • Property tax and infrastructure impacts: Concerns about increased demand on municipal services (schools, sewers, roads) without corresponding tax base growth, or property tax implications for homeowners
  • Neighbor opposition: Existing residents may worry about parking, noise, traffic, and property values, creating political friction at local levels
  • Implementation clarity: Ambiguity about whether ADU requirements apply uniformly statewide, grandfather existing restrictions, or allow municipal opt-outs could create legal disputes

Compiled from official sources — confirm details with the bill’s official record.

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