Ontario

Ontario

Ontario is a city in California, east of Los Angeles. Cucamonga-Guasti Regional Park has lakes, picnic areas and a swim complex. The Ontario Museum of History and Art explores the area’s culture through exhibitions and film screenings. The 1894 Graber Olive House offers tours of their cannery. Concerts and sporting events are held at the huge Citizens Business Bank Arena. Several wineries are northeast of the city.

Based on information from California Regional Multiple Listing Service, Inc. as of Jun 5, 2026 12:15:pm. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. Display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent.