Light Trespass: Martinez vs Oakley
How do light trespass rules compare between Martinez, CA and Oakley, CA?
Martinez and Oakley have similar restriction levels.
Martinez, CA
Contra Costa County
Martinez regulates exterior residential lighting to prevent glare, light trespass, and excessive illumination onto neighboring properties. Exterior fixtures should be shielded and directed downward; overly bright security lighting or unshielded floodlights that spill onto adjacent lots may constitute a nuisance subject to code enforcement.
View full Martinez rules →Oakley, CA
Contra Costa County
Oakley encourages dark-sky-friendly lighting practices consistent with California Title 24 and regional dark-sky initiatives. Upward-directed lighting and excessive illumination are discouraged. Commercial signage lighting is restricted after business hours, and new development is reviewed for compliance with sky-glow reduction principles.
View full Oakley rules →Key Facts Comparison
| Fact | Martinez | Oakley |
|---|---|---|
| - | - | |
| Fact | - | Full-cutoff fixtures and downward throw required |
Highlighted rows indicate differences between cities.
Martinez FAQ
Oakley FAQ
Can I point a spotlight up at my house?
Upward-directed lighting is discouraged. Narrowly shielded architectural accent lighting may be permitted if properly aimed and low-lumen.
Must commercial signs turn off at night?
Yes, typically within one hour of close of business. Internally illuminated signs and externally lit signs are both affected.
Is light pollution legally a nuisance?
Unreasonable light trespass from a neighboring property can constitute a private nuisance under Civil Code §3479, in addition to any code violation.
Compare other topics
See how Martinez and Oakley compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool