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Welcome

Founded as a Model Colony, based on innovation, planned development, community service and family values, the City of Ontario has become the economic heart of the region.

Recent Press Releases

January 20, 2016
  OIAA approves nomination of Kelly J. Fredericks, P.E., A.A.E., to lead ONT.
November 2, 2015
The 5th Annual 5K Reindeer Run and Rudolph’s Dash is just around the corner!  Rudolph has been spotted at many of the Ontario-Montclair School District schools and local... Read More
September 29, 2015
The City of Ontario announced a partnership with Nextdoor (www.nextdoor.com), the free, private social network for neighborhoods that builds stronger, safer communities w... Read More

Calendar of Upcoming Events

Check out the latest events happening around Ontario.

Featured Event

02/12/2016 - 7:00am
Come get FREE mulch created by City tree trimmings. For Ontario Residents Only! We encourage you to arriv... Read More
02/12/2016
February 4, 2016 – March 13, 2016 In an era spanning the early 20th century, through depression ridden times... Read More
02/12/2016 - 7:00am
Come get FREE mulch created by City tree trimmings. For Ontario Residents Only! We encourage you to arrive e... Read More
02/12/2016 - 10:00am
Introduce your infant to the world of books through stories, songs, lap sits and more. Your child will learn... Read More
02/12/2016 - 10:30am
Enjoy love stories and crafts with your little one. Bring valentines for all your story time friends for a... Read More
02/12/2016 - 2:30pm
Come join the fun and experience some classic Cajun food, music, and then decorate a Mardi Gras mask for our... Read More
02/12/2016 - 4:00pm
If you like chocolate, you're going to love this! Chocolate bars, candy, syrup and more. Ages : 13 - 18... Read More
02/13/2016
February 4, 2016 – March 13, 2016 In an era spanning the early 20th century, through depression ridden times... Read More
02/13/2016 - 7:00am
Come get FREE mulch created by City tree trimmings. For Ontario Residents Only! We encourage you to arrive e... Read More
02/13/2016 - 1:00pm
Saturday, February 13, 2016 (1:00 PM to 2:30 PM) Join us for an afternoon full of magic with illusionist All... Read More

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