Flagstaff's Zoning Code requires every outdoor fixture, including security lighting, to be aimed and shielded so its direct light stays within the owner's property. Coconino County's lighting ordinance imposes the same confinement rule countywide.
Under Flagstaff Zoning Code Division 10-50.70, all light fixtures - including security and flood lighting - must be located, aimed, and shielded so direct illumination is confined to the source property's boundaries. Any fixture over 10,000 lumens within 50 feet of a home or public right-of-way must add an internal or external shield, and external shields must be painted black to kill reflections. Motion-sensor lights must be fully shielded. The Coconino County lighting ordinance carries the same light-trespass standard across unincorporated areas, so a floodlight spilling onto a neighbor's property or into the night sky is a code violation, not just a nuisance.
Light trespass draws a notice to correct, usually within 30 days, then fines that escalate with repeat or commercial violations. Persistent spill onto a neighbor or right-of-way can force fixture replacement.
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See how Page's light trespass rules stack up against other locations.
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