Tempe's Zoning and Development Code prohibits outdoor lighting that unreasonably illuminates neighboring properties (light trespass). Security lights, floodlights, and landscape lighting must be directed away from adjacent homes. Maximum illumination levels at property lines are established for commercial and multi-family uses. Complaints are handled by Code Compliance.
Light trespass in Tempe is regulated through the Zoning and Development Code's outdoor lighting standards. Light trespass occurs when artificial light from one property unreasonably spills onto an adjacent property. The code establishes maximum illumination levels at property boundaries, particularly for commercial and multi-family properties adjacent to residential zones. Residential light trespass complaints are evaluated on a reasonableness standard. Common sources of residential light trespass include improperly aimed security floodlights, unshielded garage or porch lights, and landscape up-lighting. Property owners should aim fixtures downward and shield them to prevent light from crossing property lines. The building department reviews photometric plans for new commercial and multi-family development to ensure compliance. Code Compliance responds to resident complaints about light trespass from neighboring properties.
Light trespass complaints may result in code enforcement action requiring the property owner to redirect or shield the offending fixture.
Tempe, AZ
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Side-by-side rule comparisons with other cities in Maricopa County.
See how other cities in Maricopa County handle light trespass.
See how Tempe's light trespass rules stack up against other locations.
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