Short-term rental permit rules in Ontario, CA β also called Airbnb permits, vacation rental licenses, or STR registration β list the application steps, fees, and operating requirements for hosting.
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.
The City of Ontario permits short-term rentals (stays under 30 consecutive days) only for operators who hold a valid Short-Term Rental Permit issued by the Planning Division. Applications are submitted electronically through the Citizen Portal and processed under the Ontario Municipal Code STR provisions. Three operator categories qualify: the property owner, the owner's spouse/parent/adult child, or a tenant with written owner authorization. Applications require a site plan, floor plan with bedroom count, proof of primary residence (two documents such as vehicle registration, driver license, voter registration, or recent tax records), a designated 24-hour local contact, and payment of application and annual renewal fees. Permits are not transferable with the property. Operating without a permit is a violation of the Municipal Code and subjects the owner to citation, back taxes, and listing takedowns. Contact Ontario Planning at (909) 395-2000.
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 permit requirements.
See how Ontario's permit requirements rules stack up against other locations.
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