Bill > HB1540

This bill establishes uniform requirements for accessory dwelling units (ADUs) across municipalities in New Hampshire, with special provisions for protected shoreland areas. The legislation requires municipalities to allow one accessory dwelling unit in all zoning districts that permit single-family homes, with limitations on additional regulatory requirements such as lot size, setbacks, and design reviews. Notably, the bill introduces a key distinction for protected shoreland districts, where ADUs are not automatically allowed as a matter of right but can be permitted through conditional use permits or special exceptions. Municipalities retain discretion to allow detached ADUs in these shoreland areas, provided they comply with existing regulations. The bill also prohibits separate condominium conveyance of ADUs and allows municipalities to restrict ADUs in specific scenarios like townhouses or rented/leased land. By providing clear guidance on ADU regulations, the legislation aims to offer municipalities flexibility while standardizing the approach to additional housing units across different zoning contexts. The bill is set to take effect on July 1, 2026, giving local governments time to adapt their zoning ordinances to the new requirements.

Housing and Urban Affairs

https://gc.nh.gov/bill_Status/billinfo.aspx?id=1951&inflect=2