Comfort Suites Ontario Convention Center
1811 East Holt Blvd.
Ontario, CA 91761
Phone: (909) 605-0700
Fax: (909) 605-0779
Mo to Th from 07:30 AM to 05:30 PM,Fr to Fr from 08:00 AM to 05:00 PMOntario's City Hall is located downtown close to Ontario Main Library. The City Hall's building is not very attractive, but the landscape is beautiful and you can spend an afternoon relaxing on the grass. The City Hall has a lot of department and services.