Outdoor Lighting in Mesa, AZ (2026)
2 verified outdoor lighting rules for Mesa, Arizona, sourced directly from the municipal code and official government pages.
Verified from official government sources
Dark Sky Rules
Mesa has outdoor lighting standards that limit light pollution, consistent with Maricopa County's Dark Sky Ordinance. The Mesa Zoning Ordinance includes lighting standards requiring full-cutoff fixtures for new development and limiting upward light emissions. No more than 10% of light output may be directed into the night sky. These standards protect the night sky while accommodating Mesa's urban environment and proximity to astronomical observatories in central Arizona.
Mesa Dark Sky & Outdoor Lighting Rules
Some RestrictionsLight Trespass
Mesa addresses light trespass through its zoning ordinance lighting standards and general nuisance provisions. Outdoor lighting must be directed downward and shielded to prevent spillover onto adjacent properties. Light trespass complaints are handled by Mesa Code Compliance and may result in a nuisance violation if lighting unreasonably interferes with a neighbor's use and enjoyment of their property.
Mesa Light Trespass Regulations
Some RestrictionsLooking for Maricopa County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Mesa city rules.
Outdoor Lighting in Maricopa County →