Nashua, NH Home Business: Zoning & Home Occupation Permits (2026)

Nashua's zoning code treats a home business as an accessory use of a residence, not a standalone commercial use. A minor home occupation, no outside employees, capped at 20% of gross floor area or 200 square feet, one commercial vehicle under 25 feet, only needs an administrative certificate of use and occupancy from the Administrative Officer. A major home occupation, allowing up to one nonresident employee and up to 30% of floor area or 300 square feet, requires a special exception from the Zoning Board of Adjustment, plus site plan review. Both classes bar exterior storage, outside signage beyond a two-square-foot sign, and any occupation that changes the home's residential character.