Altadena, CA Cannabis Regulations: Home Cultivation (2026)
Key Facts
- Max Plants
- 6 per residence
- Authority
- LA County Ord. 2017-0025 + Prop 64
- Visibility
- Not visible from public
- Locked Space
- Required
Summary
California Proposition 64 (Health & Safety Code 11362.1) allows adults 21+ to cultivate up to 6 cannabis plants for personal use. LA County Ordinance 2017-0025 limits cultivation to indoor or secured outdoor areas not visible to the public.
11362.2. (a) Personal cultivation of cannabis under paragraph (3) of subdivision (a) of Section 11362.1 is subject to the following restrictions: (1) A person shall plant, cultivate, harvest, dry, or process plants in accordance with local ordinances, if any, adopted in accordance with subdivision (b). (2) The living plants and any cannabis produced by the plants in excess of 28.5 grams are kept within the person’s private residence, or upon the grounds of that private residence (e.g., in an outdoor garden area), are in a locked space, and are not visible by normal unaided vision from a public place. (3) Not more than six living plants may be planted, cultivated, harvested, dried, or processed within a single private residence, or upon the grounds of that private residence, at one time. (b
Full Breakdown
Under California Health & Safety Code 11362.1 (Prop 64), adults 21+ may cultivate up to 6 plants per residence for personal use. LA County Ordinance 2017-0025 (June 2017), codified in Title 22, restricts personal cultivation in unincorporated areas (including Altadena) to a maximum of 6 plants per private residence, requires plants to be grown in a locked enclosed space, and prohibits cultivation visible to the public from a public street or sidewalk. Apartment dwellers are restricted to indoor cultivation. Commercial cultivation is banned in unincorporated LA County.
Violations & Fines
Cultivation over 6 plants or visible from public spaces is a misdemeanor: fines up to $500 per plant under LA County administrative penalty schedule.
Frequently Asked Questions
Can I grow cannabis at home in Altadena?
Sources & Official References
Other rules in Altadena
California rules heatmap·Compare Altadena to another location·View the California cannabis regulations overview
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Home Cultivation in Nearby Cities
How other cities in Los Angeles County handle home cultivation.