
Residents
City Hall is open to the public, excluding Federal Holidays.
Monday–Thursday:
7:30 AM–5:30 PM
Friday:
8:00 AM–5:00 PM
Welcome to the City of Ontario: Where Community Comes First
Discover what makes Ontario a special place to live, work, and thrive. Whether you're a lifelong resident or new to our community, this page is your hub for essential resources, local updates, and opportunities to connect with your neighbors. From city services to upcoming events, everything you need to enjoy life in Ontario is just a click away.

2025 Yard Sale
Fridays - Sundays in 2025 on: January 31, February 1 and 2 May 2, 3 and 4 August 1, 2 and 3 November 7, 8 and 9. If it rains on the Friday or Saturday of the scheduled weekend, yard sales can be held on the following weekend.
Guidelines & RequirementsHealth & Safety
Ontario Museum of History & Art
Located on tree-lined Euclid Avenue, The Ontario Museum of History & Art (OMHA) preserves, interprets and celebrates the history and cultural heritage of Ontario and the surrounding area. From developing exhibitions, to engaging visitors through educational experiences, and events that inspire creative action, the Museum is an anchor to the growing downtown arts district.
Explore!Our Parks and Facilities
32
Parks
2
Libraries
1
Museum
7
Community Centers