Outdoor Lighting in Denver, CO (2026)
2 verified outdoor lighting rules for Denver, Colorado, sourced directly from the municipal code and official government pages.
Verified from official government sources
Dark Sky Rules
Denver's zoning code requires all outdoor light sources to be concealed in full cutoff fixtures that direct light downward, and bans mercury vapor, low-pressure sodium, and searchlight sources citywide to cut glare and light spill into the night sky.
Denver Outdoor Lighting Requires Full Cutoff Fixtures
Some RestrictionsDenver Zoning Code § 10.7.4.2.A.1.a
All outdoor lighting shall have light sources that are concealed by a full cutoff lighting fixture so that the light source is not visible from any street right-of-way or adjacent properties. In order to direct light downward and minimize the amount of light spill into the night sky and onto adjacent properties, all lighting fixtures shall be Full Cutoff Lighting Fixtures.
Light Trespass & Shielding
Denver's zoning code requires outdoor lighting fixtures to be mounted so the cone of light stays on-site and oriented to avoid glare onto adjacent Residential Zone Districts, with a 0.1 footcandle cap where parking lots abut Protected Districts.
Denver Outdoor Lighting Light Trespass Limits
Some RestrictionsDenver Zoning Code § 10.7.4.3
All outdoor lighting fixtures shall be oriented to avoid glare onto rights-of-way in a manner that may distract or interfere with the vision of drivers, bicyclists, or pedestrians, and shall be oriented to avoid glare onto adjacent Residential Zone Districts.