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Welcome to the City of Ontario! We appreciate you choosing the City of Ontario for your business.

Obtaining a business license in Ontario is a simple process and City staff are ready to assist. The Welcome Letter below explains the process and the different departments involved.

Business licenses will be issued once all forms are submitted, all approvals are completed, and fees are paid.

For more information, please call (909) 395-2022 during regular business hours.

Doing Business within Ontario

Regular Application

Home-Based Application

Out-of-City Business

Out-of-City / Rental Property Owners


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Last updated: 4/28/2015 4:48:50 PM