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Cannabis Regulations in San Joaquin County, CA (2026)

3 county-level rules, plus city-specific rules for 4 cities in San Joaquin County, California.

Verified from official government sources

Note: These county rules apply to unincorporated areas of San Joaquin County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Home Cultivation

Proposition 64 allows adults 21+ to grow up to 6 plants per residence for personal use, statewide. In unincorporated San Joaquin County, cultivation must be indoors or within a fully enclosed and locked accessory structure: outdoor personal cultivation is prohibited. Plants cannot be visible from public view. Landlords may prohibit cultivation in rentals.

cannabis/home-cultivation

Some Restrictions

Cal. Health & Safety Code § 11362 (Personal Cultivation)

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 (...

Dispensary Zoning

San Joaquin County allows licensed commercial cannabis businesses only with an approved Use Permit or in a Cannabis Business Park, and never on residentially zoned property.

San Joaquin County Cannabis Business Location Rules

Significant Restrictions

San Joaquin County Code § 4-10055(a)-(b)

The Commercial Cannabis Licensee has obtained and operates pursuant to a Use Permit except those operating a Testing Laboratory License or within a Cannabis Business Park. The Premises is not located on residentially zoned property.

Buffer Zones

San Joaquin County requires licensed cannabis businesses to sit at least 600 feet from any school, daycare, or youth center, measured property line to property line.

San Joaquin County Cannabis 600-Foot Buffer

Significant Restrictions

San Joaquin County Code § 4-10055(c)

The Premises is not located within 600 feet of any school, daycare, or youth center. The distance shall be computed by measuring from the two closest property lines.(d)When deciding to approve or deny a Commercial Cannabis License application or Application for Renewal in one of the approved zones, the County may consider among other things:(1)Evidence of cannabis-related criminal activity or n...

Cannabis Regulations by City in San Joaquin County

4 cities in San Joaquin County have their own cannabis regulations rules. Each link goes to that city's dedicated page with code citations.

All San Joaquin County ordinances

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