Home Cultivation: Castro Valley vs San Leandro
How do home cultivation rules compare between Castro Valley, CA and San Leandro, CA?
Castro Valley has fewer restrictions than San Leandro.
Castro Valley, CA
Alameda County
Health and Safety Code section 11362.2 grants every adult 21 or older the statewide right to cultivate up to six cannabis plants indoors, and bars local governments from completely prohibiting indoor personal cultivation.
View full Castro Valley rules →San Leandro, CA
Alameda County
Adults 21+ in San Leandro may grow up to six cannabis plants under Prop 64 and Health and Safety Code 11362.2, subject to local indoor rules.
View full San Leandro rules →Key Facts Comparison
| Fact | Castro Valley | San Leandro |
|---|---|---|
| Plant limit | 6 plants per residence | - |
| Indoor preemption | H&S Code 11362.2(b) | - |
| Minimum age | 21 years | - |
| Possession limit | 28.5g flower | - |
| Outdoor regulation | Local discretion | - |
| State Limit | - | 6 plants per residence |
| Outdoor | - | Restricted locally |
| Visibility | - | Not from street |
| Codes | - | Building and electrical apply |
| Age | - | 21 and over |
Highlighted rows indicate differences between cities.
Castro Valley FAQ
Can my California city ban indoor home cultivation entirely?
No. Health and Safety Code 11362.2(b)(3) expressly prohibits cities and counties from completely banning indoor personal cultivation of six plants in a private residence by adults 21 or older.
What restrictions can cities still impose?
Cities may require enclosed and locked areas, limit visibility from public spaces, mandate ventilation, and ban outdoor cultivation. They cannot impose conditions that effectively eliminate indoor cultivation.
San Leandro FAQ
Can I grow cannabis in my backyard?
Only in a fully enclosed, secure structure that hides the plants from public view, per local rules.
Is there a permit for home cultivation?
No state permit, but any electrical or building modifications for a grow room require standard permits.
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