Outdoor Lighting in Berkeley, CA: What Residents Actually Need to Know

If you live in Berkeley or are thinking about moving there, outdoor lighting are one of those things you probably won't think about until they affect you directly. Berkeley has 2 specific rules on the books covering different aspects of outdoor lighting, and some of them might surprise you.

Dark Sky Rules

Berkeley requires shielded outdoor lighting for new development under Title 23 Zoning Ordinance with specific standards to minimize glare, light trespass, and uplight pollution.

Key details: Fixture type: Fully shielded required. Cutoff: No light above horizontal. Color temp: 3000K residential typical. Commercial: Off after hours. Code: Title 23.

Contact your local code enforcement office for specific penalty information.

Light Trespass

Berkeley Zoning Ordinance Title 23 prohibits outdoor lighting that creates glare or excessive illumination onto neighboring properties, with civil remedies under state nuisance law.

Key details: Property line limit: 0.1 fc residential. Complaint path: Code Enforcement. State remedy: Civil Code 3479. Security lights: Shielded or motion. Code: Title 23.

Contact your local code enforcement office for specific penalty information.

The Bottom Line

Berkeley's outdoor lighting rules are a mixed bag. Some areas are strict, others are relaxed, and the details matter. The best approach is to check the specific rule that applies to your situation rather than assuming Berkeley is broadly strict or permissive.

These rules come from Berkeley's publicly available municipal code. For complete penalty schedules, exemption details, and answers to common questions, see the individual ordinance pages throughout this guide.