Rental Property Rules in Ontario, CA (2026)
3 verified rental property rules for Ontario, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Rent Control
Ontario has no local rent-control ordinance, but most rentals fall under California AB 1482 capping annual rent increases at 5 percent plus CPI (max 10 percent) and requiring just cause after 12 months.
Ontario Rent Control Under AB 1482
Some RestrictionsCalifornia Civil Code § 1947.12 (Statewide Rent Cap, AB 1482 / SB 567)
Civil Code - CIV. 1947.12. (a) (1) Subject to subdivision (b), an owner of residential real property shall not, over the course of any 12-month period, increase the gross rental rate for a dwelling or a unit more than 5 percent plus the percentage change in the cost of living, or 10 percent, whichever is lower, of the lowest gross rental rate charged for that dwelling or unit at any time during...
Just Cause Eviction
Ontario follows California AB 1482 (Civil Code 1946.2), requiring landlords to provide just cause to terminate tenancy after 12 months of occupancy, with relocation assistance for no-fault evictions.
Ontario Just Cause Eviction Rules
Some RestrictionsCalifornia Civil Code § 1946.2 (Just Cause for Termination, Tenant Protection Act / AB 1482)
Civil Code - CIV. 1946.2. (a) Notwithstanding any other law, after a tenant has continuously and lawfully occupied a residential real property for 12 months, the owner of the residential real property shall not terminate a tenancy without just cause, which shall be stated in the written notice to terminate tenancy. (b) For purposes of this section, "just cause" means either of the following: (1...
Rental Registration
Ontario does not maintain a citywide rental registry, but landlords must obtain a business license for rental activity under OMC Title 4 and comply with state rent cap disclosure rules.
Ontario Rental Property Registration
Few RestrictionsLooking for San Bernardino County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Ontario city rules.
Rental Property Rules in San Bernardino County →