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Simi Valley, CA Cannabis Regulations: Home Cultivation (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified April 2026

Key Facts

Plant Limit
6 plants per household
Location
Indoors, not visible from public
Age Requirement
21+ years old
State Law
HSC 11362.2 (Prop 64)

Summary

California Proposition 64 allows adults 21 and older to cultivate up to 6 cannabis plants per household for personal use. Simi Valley requires cultivation to be indoors and out of public view consistent with state law requirements.

(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) (1) A city, county, or city and county may enact and enforce reasonable regulations to regulate the actions and conduct in paragraph (3) of subdivision (a) of Section 11362.1.

(2) Notwithstanding paragraph (1), a city, county, or city and county shall not completely prohibit persons engaging in the actions and conduct under paragraph (3) of subdivision (a) of Section 11362.1 inside a private residence, or inside an accessory structure to a private residence located upon the grounds of a private residence that is fully enclosed and secure.

(3) Notwithstanding paragraph (3) of subdivision (a) of Section 11362.1, a city, county, or city and county may completely prohibit persons from engaging in actions and conduct under paragraph (3) of subdivision (a) of Section 11362.1 outdoors upon the grounds of a private residence.

Source: California Health and Safety Code 11362.2View official code

Full Breakdown

Under California Health and Safety Code 11362.2 (Proposition 64), adults 21 and older in Simi Valley may cultivate up to 6 cannabis plants per household for personal use. Simi Valley requires all residential cultivation to occur indoors in a secure, enclosed space not visible from public areas. Plants must not be visible from the street or neighboring properties. The growing area must comply with building code requirements for ventilation, electrical load, and fire safety. Growing accessories (lights, fans, generators) must not create noise or odor that constitutes a nuisance. Medical cannabis patients with valid recommendations may have additional cultivation rights under MCRSA. Local ordinances may impose additional restrictions beyond state minimums.

Violations & Fines

Outdoor cultivation in public view is a code violation. Exceeding the 6-plant limit is a state law violation. Cultivation that creates nuisance conditions (odor, noise, excessive electrical use) results in Code Enforcement action. Commercial-scale cultivation without a license is a criminal offense.

Frequently Asked Questions

Can I grow cannabis at home in Simi Valley?
Yes, adults 21 and older may grow up to 6 plants per household indoors. Plants must be in a secure, enclosed space not visible from public view or neighboring properties.
Can I grow cannabis outdoors in Simi Valley?
Simi Valley requires cannabis cultivation to be indoors. Outdoor growing in view of the public or neighbors is a code violation even though state law may allow outdoor cultivation.
What if my grow setup creates odor?
Cannabis cultivation that creates detectable odor beyond the property boundary is a nuisance violation. Use carbon filters and proper ventilation to contain odor.

Sources & Official References

Other rules in Simi Valley

All Simi Valley rules

California rules heatmap·Compare Simi Valley to another location·View the California cannabis regulations overview

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