Community Improvement

The City of Ontario Community Improvement Department is responsible for enforcing Municipal Code regulations on private property throughout the city. The Ontario Municipal Code regulates parking on private property, zoning, property maintenance, weed abatement on undeveloped lots and other substandard conditions on residential, commercial, and industrial properties. 

The City contracts with Inland Valley Humane Society for animal related issues. 

For more information, contact the Community Improvement Department at (909) 395-2007.

How do I find out if something is a violation?

Information on residential property maintenance regulations can be found by reviewing the information on this site. Also, you can follow a link to the Ontario Municipal Code online and research for specific regulations.

For the City's Development Code, visit the Planning Department webpage.



For more news and information about water conservation and usage restrictions, please visit OntarioWaterWise or email


Informational Flyers

Downloadable Files

Program Forms

Downloadable Files

Property Recognition Program

The Community Improvement Property Recognition Program is designed to recognize and celebrate pride of ownership in both single-family homes and rental properties within the City of Ontario.  The goal is to promote Ontario‚Äôs housing stock and build stronger neighborhoods.

Award Categories:

The Outstanding Property Award will recognize a property owner for continuous maintenance of their property throughout the year.

The Property Beautification Award will recognize a property owner for a visible effort in improving the property and making an investment into the neighborhood.


To nominate a property, fill out the Nomination Form.

Sign Abatement Program

The Community Improvement Department addresses unpermitted and prohibited signage throughout the City to enhance the community appearance. All business owners and landowners are responsible for ensuring that all property signs are permitted and meet the sign regulations of Chapter 8 of the Ontario Development Code


The Economic Development Department has multiple resources available to assist business owners with promoting their businesses. 


Downloadable Files

Illegal Parking and Oversized Vehicles

Parking violations on City streets are enforced by the Ontario Police Department. 

Report a parking violation on a City Street here or contact the OPD Non-Emergency Line at (909) 986-6711.

Oversized vehicle parking permits are issued through the Business License Department - (909) 395-2022.

Click here for more information on oversized vehicles and how to obtain a permit. 

Downloadable Files