Outdoor Lighting in Nashua, NH (2026)
2 verified outdoor lighting rules for Nashua, New Hampshire, sourced directly from the municipal code and official government pages.
Verified from official government sources
Dark Sky Rules
Nashua's Zoning Ordinance caps outdoor light spillover at 0.2 footcandles at any property line and requires most fixtures over 1,800 lumens to be shielded so no more than 3% of their output escapes above horizontal.
Nashua Outdoor Lighting Glare Limits
Some RestrictionsNashua Revised Ordinances § 190-89
Light levels shall not exceed 0.2 footcandles at any property line. This subsection does not apply if any property line that separates two or more lots or parcels under common ownership or similar adjacent uses, including: (1) Multiple and single lots held in common ownership and separate ownership that are subject to a common site plan approval; and (2) Contiguous parcels, with or withou...
Light Trespass & Shielding
Nashua's zoning code caps light spilling onto neighboring property at 0.2 footcandles at any property line, with taller or brighter fixtures required to step back from boundaries and file a lighting plan for review.
Nashua Light Trespass Limit: 0.2 Footcandles
Some RestrictionsNashua Revised Ordinances § 190-89(A)
Light levels shall not exceed 0.2 footcandles at any property line. This subsection does not apply if any property line that separates two or more lots or parcels under common ownership or similar adjacent uses, including: (1) Multiple and single lots held in common ownership and separate ownership that are subject to a common site plan approval; and (2) Contiguous parcels, with or withou...