Home Cultivation: Martinez vs San Ramon
How do home cultivation rules compare between Martinez, CA and San Ramon, CA?
San Ramon has fewer restrictions than Martinez.
Martinez, CA
Contra Costa County
California Proposition 64 (Adult Use of Marijuana Act) allows adults 21+ to cultivate up to 6 cannabis plants per household for personal use. Plants must not be visible from public areas and must be secured against access by persons under 21. Martinez may impose additional local regulations on home cultivation. Landlords may prohibit cultivation on rental properties.
View full Martinez rules →San Ramon, CA
Contra Costa 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 San Ramon rules →Key Facts Comparison
| Fact | Martinez | San Ramon |
|---|---|---|
| Plants Allowed | Up to 6 plants per household (21+ only) | - |
| Visibility | Must not be visible from public spaces | - |
| Security | Must be secured from access by minors | - |
| State Law | CA Prop 64 / Health & Safety Code §11362.2 | - |
| 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 |
Highlighted rows indicate differences between cities.
Martinez FAQ
Can I grow cannabis in Martinez?
Yes. Adults 21+ may grow up to 6 plants indoors or in a locked enclosure per Proposition 64.
Do I need a permit?
No permit required for personal cultivation within the 6-plant state limit.
San Ramon 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.
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