Panel Permits: Berkeley vs Sunol
How do panel permits rules compare between Berkeley, CA and Sunol, CA?
Berkeley and Sunol have similar restriction levels.
Berkeley, CA
Alameda County
Berkeley offers expedited solar permits under AB 2188 with same-day residential approval, required by state law and Berkeley Solar Access Ordinance the first US solar law adopted 1978.
View full Berkeley rules →Sunol, CA
Alameda County
Alameda County offers 3-business-day solar permitting under AB 2188 and SB 379. Systems must comply with Title 24 and the 2022 Solar Mandate for new homes.
View full Sunol rules →Key Facts Comparison
| Fact | Berkeley | Sunol |
|---|---|---|
| First US solar law | Berkeley 1978 | - |
| Expedited permit | AB 2188 same-day | - |
| Threshold | 10 kW residential | - |
| New homes | Title 24 mandate | Solar Mandate required |
| HOA preemption | Civil Code 714 | - |
| Turnaround | - | 3 business days (AB 2188) |
| Residential fee cap | - | 450 dollars |
| Commercial fee cap | - | 1,000 dollars |
| NEM 3.0 | - | Effective April 15, 2023 |
Highlighted rows indicate differences between cities.
Berkeley FAQ
How fast can I get a solar permit?
Most residential rooftop PV permits are approved same-day via the expedited process under AB 2188.
Can my neighbor shade my panels with a new building?
Berkeley Solar Access Ordinance protects existing collectors from new shading caused by structures or vegetation.
Sunol FAQ
How long does solar permitting take?
Most Alameda County jurisdictions approve residential rooftop systems within 3 business days using SolarAPP+ online submittal. Complex or ground-mount systems may take longer.
Does NEM 3.0 make solar not worth it?
Payback periods extended from 5-6 years to 9-10 years under NEM 3.0, but solar plus battery storage remains financially beneficial given high PG&E rates in Alameda County.
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