ADU Rules: Castro Valley vs Oakland
How do adu rules rules compare between Castro Valley, CA and Oakland, CA?
Castro Valley and Oakland have similar restriction levels.
Castro Valley, CA
Alameda County
Alameda County complies with California Government Code 65852.2 mandating ministerial ADU approval. ADUs up to 1,200 sqft for detached and JADUs up to 500 sqft are allowed on most residential lots.
View full Castro Valley rules βOakland, CA
Alameda County
Oakland permits ADUs on all residential lots under Gov Code Β§65852.2 and Planning Code 17.103. Ministerial 60-day approval up to 1,200 sq ft, 4-foot setbacks, and no parking mandate within half a mile of transit.
View full Oakland rules βKey Facts Comparison
| Fact | Castro Valley | Oakland |
|---|---|---|
| State law | Gov Code 65852.2 | - |
| Detached ADU max | 1,200 sqft | - |
| JADU max | 500 sqft | - |
| Side/rear setback | 4 feet | - |
| Review time | 60 days ministerial | - |
| - | - |
Highlighted rows indicate differences between cities.
Castro Valley FAQ
Do I need a public hearing?
No, ADUs are approved ministerially by county staff under state law; no planning commission or neighbor notice is required if the application meets objective standards.
Can I sell my ADU separately?
AB 1033 (2023) allows separate sale as condominium only if Alameda County opts in by local ordinance; check current county policy.
Oakland FAQ
Compare other topics
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