Centennial, CO Outdoor Lighting: Light Trespass & Shielding (2026)

D.Spill Light Limits. Lighting Zones designate how much spill light is permitted onto a property from an adjacent property. The relevant Lighting Zone is the one for the property receiving the light from an adjacent property. Spill light may be measured by either horizontal measurements at grade or by vertical measurements at the property line up to the height of the highest window on the property receiving the spill light. Where vertical measurements at the property line are impractical, measurements at windows may be substituted.E.Exceptions to Spill Light Limits. All exterior lighting shall comply with the spill light limits set in Table 12-6-705C, Spill Light-Maximum Limits, except:1.Spill light onto public rights-of-way at entries to a property may be the greater of one third of the maximum allowed illuminance for the parking area on the property or one third of the maximum allowed illuminance for the roadway; and2.When the maximum light spill at a boundary between two properties exceeds the limits specified in Table 12-6-705C, Spill Light-Maximum Limits, due to the contributions from existing lighting located on either the receiving property or another adjacent property not subject to the proposed development or redevelopment. Table 12-6-705C Spill Light - Maximum Limits Lighting Zone Maximum Horizontal or Vertical Measured Illuminance at the Property Line, Excluding Public Rights-of-way (footcandles)

LZ0 0.1 LZ1 0.2 LZ2 0.4 LZ3 0.8 LZ4 1.5