When visiting this city or town hall, bring a valid photo ID and any paperwork relevant to your visit, such as property records for permit applications or prior correspondence for license renewals. O'Fallon City Hall is located at 255 South Lincoln Avenue, O'Fallon, IL. Municipal offices typically operate Monday through Friday and may close early on Fridays or the day before holidays — calling ahead to confirm hours prevents a wasted trip.
O'Fallon City Hall Contact Information
Address, Phone Number, and Hours for an Town City Halls in Ofallon, Illinois.
| Name | O'Fallon City Hall |
| Address | 255 South Lincoln Avenue, O'Fallon IL 62269 Map |
| Phone | (618) 624-4500 |
| Website | |
| Hours |
Map of O'Fallon City Hall
About O'Fallon City Hall
The O'Fallon City Hall, located in O'Fallon, IL, provides municipal services for residents of O'Fallon. The building houses government offices, including the O'Fallon legislative body, and provides public records, government services, and information about O'Fallon services.
Contact Town City Halls for questions about:
- Building permits, business licenses, and zoning inquiries at O'Fallon City Hall
- City council meeting schedules and public comment sign-up procedures
- Municipal public records requests and document access
- Local ordinances, code enforcement, and noise or nuisance complaints