Skip to main content
CityRuleLookup
🌱 Cannabis Regulations/Home Cultivation

Home Cultivation: Fontana vs Ontario

How do home cultivation rules compare between Fontana, CA and Ontario, CA?

Fontana and Ontario have similar restriction levels.

Fontana, CA

San Bernardino County

Heavy Restrictions

Fontana allows adults 21 and older to grow up to 6 cannabis plants indoors per residence under Proposition 64. Outdoor cultivation is prohibited and indoor grows must meet city safety rules.

View full Fontana rules β†’

Ontario, CA

San Bernardino County

Heavy Restrictions

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.

View full Ontario rules β†’

Key Facts Comparison

FactFontanaOntario
Plants allowed6 per residence-
Outdoor growProhibited-
Age requirement21 and older-
EnclosureLocked indoor space-
Indoor plant limit-6 per residence
Outdoor cultivation-Prohibited in Ontario
Age-21 or older
Secured area-Locked, enclosed, not visible
Landlords-May ban under Civil Code 1947.5

Highlighted rows indicate differences between cities.

Fontana FAQ

Can I grow in my backyard?

No. Fontana prohibits outdoor cannabis cultivation. Plants must be indoors in a locked, enclosed space meeting code requirements.

Does my landlord have to allow cultivation?

No. Landlords may prohibit cannabis cultivation and smoking in lease agreements even though state law permits personal use.

Ontario FAQ

Can I grow cannabis in my Ontario backyard?

No. Ontario Municipal Code prohibits all outdoor personal cannabis cultivation. You may only grow up to 6 plants indoors in a secured, locked area not visible to the public.

Can my landlord ban me from growing cannabis?

Yes. California Civil Code 1947.5 specifically allows landlords to prohibit cannabis cultivation and smoking in rental units through the lease.

Compare other topics

See how Fontana and Ontario compare on other ordinance categories.

Want to add a third city?

Use our full comparison tool to compare up to three cities.

Open Comparison Tool