Short-Term Rentals in Ontario, CA (2026)
8 verified short-term rentals rules for Ontario, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Permit Requirements
Ontario requires a Short-Term Rental Permit before any stay under 30 days. Applications are filed through the City Citizen Portal and require proof of primary residence plus a full set of property documents.
Short-Term Rental Permit Requirements in Ontario
Heavy RestrictionsNoise Rules
STR guests must comply with Ontario Municipal Code Chapter 29 noise rules including 10 PM to 7 AM quiet hours. Operators are responsible for guest conduct and repeat noise violations can cost them the permit.
Short-Term Rental Noise Rules in Ontario
Some RestrictionsTaxes & Fees
Ontario charges a Transient Occupancy Tax on short-term stays under 30 days. Operators must register for a TOT certificate, collect the tax, file returns, and pay an annual STR permit fee.
Short-Term Rental Taxes and Fees in Ontario
Some RestrictionsParking Rules
Ontario STR guests must park on-site in the driveway or garage before using the street. Overflow street parking must obey posted signs, street sweeping, and oversized-vehicle restrictions.
Short-Term Rental Parking Rules in Ontario
Some RestrictionsOccupancy Limits
Ontario ties STR occupancy to bedroom count and California Building Code per-occupant floor area. A common cap is two guests per bedroom plus two additional, with events and parties typically prohibited.
Short-Term Rental Occupancy Limits in Ontario
Some RestrictionsInsurance Requirements
Ontario STR operators should carry a dedicated short-term rental liability policy. Standard homeowner policies typically exclude STR activity and platform coverage should be treated as a supplement only.
Short-Term Rental Insurance Requirements in Ontario
Few RestrictionsNight Caps
Ontario distinguishes between hosted and non-hosted STRs and may cap annual rental nights for non-hosted whole-home rentals. Operators must track bookings and retain records for city review.
Short-Term Rental Night Caps in Ontario
Some RestrictionsRegistration Rules
Ontario STR registration requires a Planning-issued permit, Finance TOT certificate, and business license. Annual renewal, a 24-hour contact, and safety inspection items are standard conditions.
Short-Term Rental Registration Rules in Ontario
Heavy RestrictionsLooking for San Bernardino County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Ontario city rules.
Short-Term Rentals in San Bernardino County →