Just cause eviction rules in Ontario, CA — sometimes called tenant protection or "for cause" eviction ordinances — list the specific legal reasons a landlord can end a tenancy.
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 does not have a separate local just cause eviction ordinance, so tenancies in the city are governed by the California Tenant Protection Act (AB 1482), codified at Civil Code 1946.2. Once a tenant has occupied a unit for 12 months (or 24 months where an additional adult is added), the landlord may terminate tenancy only for at-fault reasons (nonpayment of rent, lease breach, nuisance, criminal activity) or no-fault reasons (owner or relative move-in, substantial remodel, withdrawal from market, or compliance with a government order). For any no-fault termination, the landlord must pay the tenant one month of rent in relocation assistance or waive the final month of rent, and must serve a written notice citing the specific just cause basis. Exemptions apply to single-family homes owned by individuals (not corporations) if proper notice is given, newly constructed housing less than 15 years old, and owner-occupied duplexes. Before filing an unlawful detainer for a curable lease violation, the landlord must serve a 3-day notice to cure. Violations can be raised as affirmative defenses in eviction court and may expose the landlord to treble damages under Civil Code 1946.2(h).
Contact your local code enforcement office for specific penalty information.
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Side-by-side rule comparisons with other cities in San Bernardino County.
See how other cities in San Bernardino County handle just cause eviction.
See how Ontario's just cause eviction rules stack up against other locations.
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