Outdoor Lighting in Allen, TX (2026)
2 verified outdoor lighting rules for Allen, Texas, sourced directly from the municipal code and official government pages.
Verified from official government sources
Dark Sky Rules
Allen has no formal dark-sky ordinance but requires shielded fixtures on commercial properties and limits spillover to 0.5 foot-candles at residential property lines. Parking lot lights must use full-cutoff fixtures after 11 PM.
Outdoor Lighting: Dark Sky Rules
Some RestrictionsLight Trespass
Allen prohibits light trespass causing nuisance to neighbors. Maximum 0.5 foot-candles at residential property line. Motion-activated security lights encouraged but must not flood neighbor windows continuously.
Outdoor Lighting: Light Trespass
Some RestrictionsLooking for Collin County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Allen city rules.
Outdoor Lighting in Collin County →