Home Cultivation: Castro Valley vs Fremont
How do home cultivation rules compare between Castro Valley, CA and Fremont, CA?
Castro Valley has fewer restrictions than Fremont.
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 →Fremont, CA
Alameda County
Adults 21 and over in Fremont may cultivate up to six cannabis plants per residence for personal use under Proposition 64. Outdoor cultivation is prohibited; growing must occur indoors in a secure, locked area.
View full Fremont rules →Key Facts Comparison
| Fact | Castro Valley | Fremont |
|---|---|---|
| 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 | - |
| Plants | - | Up to 6 per residence |
| Age | - | 21 or older |
| Outdoor | - | Prohibited in Fremont |
| Security | - | Locked, not visible |
| State law | - | H&S Code 11362.2 |
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.
Fremont FAQ
Can I grow cannabis in my backyard?
No. Fremont prohibits outdoor cultivation. Up to six plants may be grown indoors or in a secure enclosed accessory structure.
How many plants can I have?
Six living plants per private residence, regardless of how many adults live there, under state Proposition 64.
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