Cannabis Regulations in Ontario, CA (2026)
2 verified cannabis regulations for Ontario, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Home Cultivation
Ontario residents 21 and older may grow up to 6 cannabis plants indoors per residence under Proposition 64, but outdoor cultivation is banned by OMC Chapter 9 ordinance.
Ontario Home Cannabis Cultivation
Heavy RestrictionsCalifornia Health and Safety Code § 11362.2 (Personal Cannabis Cultivation, Prop. 64)
Health and Safety Code - HSC. 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 i...
Dispensary Zoning
Ontario bans commercial cannabis retail, cultivation, manufacturing, and delivery storefronts citywide under OMC Chapter 9, while state law still permits pass-through delivery from licensed outside operators.
Ontario Cannabis Dispensary Zoning
Heavy RestrictionsLooking for San Bernardino County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Ontario city rules.
Cannabis Regulations in San Bernardino County →