Outdoor Lighting in Ontario, CA (2026)
2 verified outdoor lighting rules for Ontario, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Dark Sky Rules
Ontario regulates outdoor lighting under OMC Chapter 9, requiring shielded fixtures and color temperature limits to reduce glare toward homes and aircraft paths at ONT International Airport.
Ontario Outdoor Lighting Rules
Some RestrictionsLight Trespass
Ontario treats light shining onto neighboring property as a public nuisance under OMC Chapter 30 and zoning Chapter 9, with a typical 0.5 footcandle limit at any residential property line and Code Enforcement response.
Ontario Light Trespass Rules
Some RestrictionsLooking for San Bernardino County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Ontario city rules.
Outdoor Lighting in San Bernardino County →