The Best Historical municipal buildings in O'Fallon, Missouri

Welcome to the City of O'Fallon, proudly serving the community from our City Hall located at 100 North Main Street, O'Fallon, Missouri 63366. As the hub of local government, our offices are open Monday through Friday from 8:30 a.m. to 4:30 p.m. to assist residents with their civic needs. Our dedicated team is here to provide information and services, whether you're visiting local vendors, speaking with our Veterans Service Officer, or attending our informative benefits seminar. Each year, we ensure our facilities remain in top condition with annual maintenance during Labor Day week. Please note that the Renaud Center will be closed from September 2 to September 8 for building-wide cleaning and upkeep.