Panel Permits: Antioch vs Oakley
How do panel permits rules compare between Antioch, CA and Oakley, CA?
Antioch has fewer restrictions than Oakley.
Antioch, CA
Contra Costa County
Antioch issues residential rooftop solar permits under the California Solar Rights Act (Civil Code 714) and AB 2188 streamlined-permit mandate. Standard systems are processed within 3 business days, often same-day via the SolarAPP+ automated plan review.
View full Antioch 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 | Antioch | Oakley |
|---|---|---|
| - | - | |
| Fact | - | CEC Article 690 rapid-shutdown required |
Highlighted rows indicate differences between cities.
Antioch 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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