Panel Permits: Brentwood vs Oakley
How do panel permits rules compare between Brentwood, CA and Oakley, CA?
Brentwood has fewer restrictions than Oakley.
Brentwood, CA
Contra Costa County
Brentwood issues solar photovoltaic permits under the streamlined 3-business-day turnaround mandated by CA AB 2188 and the California Solar Rights Act (Civil Code §714). Most standard residential rooftop PV systems qualify for an online expedited review.
View full Brentwood rules →Oakley, CA
Contra Costa County
Solar PV installations in Oakley must comply with the 2022 California Electrical Code (Article 690), California Residential Code, California Fire Code Chapter 11B access pathways, and California Title 24 Part 6 energy standards. Systems must maintain rooftop access and ventilation pathways for firefighter operations.
View full Oakley rules →Key Facts Comparison
| Fact | Brentwood | Oakley |
|---|---|---|
| - | - | |
| Fact | - | CEC Article 690 rapid-shutdown required |
Highlighted rows indicate differences between cities.
Brentwood FAQ
Oakley FAQ
What is rapid shutdown?
CEC 690.12 requires module-level rapid shutdown so firefighters can de-energize rooftop PV within 30 seconds of activating a shutdown switch.
Can I mount panels on every part of my roof?
No. Fire Code §1205 requires 18-inch clearances at ridges and 36-inch clearances at hips on single-family roofs to provide firefighter access.
How big can my home battery be?
Residential battery systems are limited to 20 kWh per unit with aggregate limits per location under CFC §1207. Larger installations require enhanced review.
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