Outdoor Lighting in Castle Rock, CO (2026)
2 verified outdoor lighting rules for Castle Rock, Colorado, sourced directly from the municipal code and official government pages.
Verified from official government sources
Dark Sky Rules
Castle Rock is not a formal certified Dark Sky community, but Chapter 17.58 of the Zoning Code (Illumination) regulates outdoor lighting. Fixtures generally must be shielded and directed to limit glare and light spilling onto neighboring properties. There is no county-level rule; the Town regulates lighting inside town limits.
Outdoor Lighting / Dark-Sky Rules in Castle Rock
Some RestrictionsLight Trespass
Castle Rock's zoning Illumination standards (Chapter 17.58) require outdoor lighting to be shielded and directed so it does not cast glare or spill light onto adjacent properties or public streets. Excessive light onto a neighbor can be addressed as a zoning-code and nuisance matter through Town Code Compliance.
Light Trespass onto Neighbors in Castle Rock
Some RestrictionsLooking for Douglas County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Castle Rock city rules.
Outdoor Lighting in Douglas County →