Buckeye, AZ Outdoor Lighting: Dark Sky Rules (2026)

D.Effective Shielding. All light fixtures that are required to be fully shielded must be installed in a manner that satisfies the definition of a fully shielded fixture (i.e. directed downward).E.Light Trespass Standard.1.All light fixtures must be located, aimed, and shielded so that the direct illumination from the fixture is confined to the property boundaries of the source.2.Unless otherwise provided in this Section, exterior lighting must not add more than one footcandle to illumination levels at any point off-site.3.Any light fixture located within 50 feet of a residential zoning district or public ROW must utilize an internal or external shield, with the light fixture and shield oriented to minimize light trespass onto any adjacent property or ROW line. If an external shield is used, its surface must be painted black to minimize reflections.F.Light Temperature (Color). All exterior lighting must have a Correlated Color Temperature (CCT) of 3000 Kelvin (K) or less unless an applicant can demonstrate a unique, project-based need for CCTs exceeding 3000K, subject to approval by the Zoning Administrator.G.Time Limits for Outdoor Lighting. All Class 1 and any Class 2 lighting located within 50 feet of an adjacent single-family residential property line must be turned off by 11:00 p.m.