Outdoor Lighting in Parker, CO (2026)
2 verified outdoor lighting rules for Parker, Colorado, sourced directly from the municipal code and official government pages.
Verified from official government sources
Dark Sky Rules
Section 13.08.110(e) of the Parker Municipal Code requires every outdoor light fixture in the Town, except small residential lamps and a short list of exemptions, to be full cutoff and aimed straight down so no more than ten percent of its output escapes above eighty degrees from vertical. Fixtures are capped at 25,000 lumens, must run below 5001 Kelvin, and most nonresidential lighting has to dim seventy percent an hour after closing.
Parker Dark Sky Outdoor Lighting Shielding Rules
Some RestrictionsParker Municipal Code § 13.08.110(e)(1), (e)(3), (e)(8)
(1)Maximum lumens. No single lamp or luminaire shall exceed twenty-five thousand (25,000) lumens.(2)Lighting types and efficiency.a.Light sources shall be color-correct types and shall have a correlated color temperature (CCT) below 5001 degrees Kelvin.b.LED or other high efficiency light fixtures shall be used to the maximum extent practicable.(3)Shielding required.a.All light fixtures shall b...
Light Trespass & Shielding
Section 13.08.110(e)(4) of the Parker Municipal Code caps how much light can spill onto a neighbor's land: one-half lumen per square foot at a single-family, single-family attached, or duplex property line, and one lumen per square foot at a multifamily or nonresidential property line. The limit does not apply along a property line that faces a public or private street, or a shared parking or access drive.
Parker Light Trespass Limits At Property Lines
Some RestrictionsParker Municipal Code § 13.08.110(e)(4)
(4)Light trespass.a.All light fixtures shall be installed so that light trespass from any property line, except a property line adjacent to a public/private street, shared parking or access drive or aisle, shall not exceed the following:1.One-half (½) lumen per square foot at a single-family detached, single-family attached or duplex dwelling property line.2.One (1) lumen per square foot at mul...
Looking for Douglas County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Parker city rules.
Outdoor Lighting in Douglas County →