CT HB07148

Municipalities must designate at least 33% of residentially-zoned land as areas where accessory commercial units are allowed as-of-right on residential lots, effective October 1, 2025

Accessory commercial units may be built within existing residential structures or as attached/detached buildings on residential lots, with detached units exempt from setback and lot coverage restrictions

Units must be allowed at least 1,000 square feet in size with minimum 10-hour daily operating hours; drive-through facilities and sales of alcohol, tobacco, or cannabis products are prohibited

Zoning decisions must be rendered within 65 days; municipalities cannot require traffic/parking studies, extra parking spaces, fire sprinklers beyond residential requirements, or separate utility connections

Municipalities must adopt compliant regulations by October 1, 2026, or noncompliant regulations become void and applications must be processed under the state requirements