NH HB1023

Authorizes accessory commercial units (ACUs) as a right on any lot with a lawful principal use in every zoning district statewide, prohibiting municipalities from adopting more restrictive ordinances

Defines ACUs as subordinate commercial spaces located on the same lot as a principal residential or commercial use that provide neighborhood-scale goods or services without excessive noise, odor, vibration, or traffic impacts

Permits over 40 specific use types by right, including coffee shops, bakeries, hair salons, yoga studios, professional offices (tax preparation, counseling, real estate), home-based daycares, art galleries, and small repair shops

Limits floor area to 1,000 square feet or 25% of the principal structure's gross floor area (whichever is greater), restricts operating hours to 6:00 a.m. to 10:00 p.m., and caps exterior signage at one non-illuminated sign of 6 square feet

Takes effect 60 days after passage