Dark Sky Rules: Concord vs Pittsburg
How do dark sky rules rules compare between Concord, CA and Pittsburg, CA?
Concord and Pittsburg have similar restriction levels.
Concord, CA
Contra Costa County
Concord does not have a formal dark-sky ordinance but CMC Title 18 requires exterior lighting to be shielded, downcast, and not spill onto neighboring properties. New development must submit a photometric plan demonstrating zero foot-candle spillover at property lines.
View full Concord rules →Pittsburg, CA
Contra Costa County
Pittsburg regulates outdoor lighting under Municipal Code Title 18 zoning standards to minimize light pollution and glare. Exterior fixtures must be shielded and directed downward in most zones. Full cutoff fixtures are required for commercial and parking lot lighting. No formal dark-sky ordinance exists, but light trespass onto neighboring properties is prohibited.
View full Pittsburg rules →Key Facts Comparison
| Fact | Concord | Pittsburg |
|---|---|---|
| - | - |
Highlighted rows indicate differences between cities.
Concord FAQ
Can I install floodlights on my Concord home?
Yes, but they must be aimed downward, shielded, and not cast light onto neighboring properties. Motion-activation is encouraged to minimize dusk-to-dawn operation.
Does Concord regulate LED color temperature?
For new commercial and multifamily projects near residential areas, lighting should not exceed 3000K. Residential light choices are not strictly regulated but shielding rules apply.
What about stadium lights at schools?
Sports and field lighting must comply with curfew requirements (off within 1 hour of event end) and include shielding to minimize spillover to neighboring residential uses.
Pittsburg FAQ
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