Reviewed and updated October 4, 2026 by the SearchSystems.net editorial team. Every office link on this page was opened and checked against the office's own website at review time.
O'Fallon is a city in St. Clair County, Illinois, with about 32,000 residents (2024 Census Bureau estimate). Its public records are split between the city and the county. The city keeps council records and its own licenses and permits; court cases, jail bookings, deeds and vital records are county or state records. This guide names the O'Fallon offices SearchSystems verified, links to each one's own website and gives the phone number and address where the office publishes them. SearchSystems verified 2 city office pages for O'Fallon, every one opened and checked.
In this guide: City or county, City Clerk, City Hall, Records requests, Other cities and Questions.
City or county record: where O'Fallon records are kept
- Kept by the City of O'Fallon: council and board meeting records, ordinances and the city's own licenses and permits.
- Kept by St. Clair County or the state: court cases, jail bookings, deeds and property values and birth and death certificates. These are not city records; they are in the St. Clair County public records guide under court records, jail lookups, property records and vital records.
O'Fallon City Clerk: council records and ordinances
The City Clerk keeps the official records of the city government: council and board agendas and minutes, ordinances and resolutions, and the city's contracts and other official documents. The office below is the one SearchSystems verified for O'Fallon.
- Website: ofallon.org/170/City-Clerk (page title: City Clerk | O'Fallon, IL)
- Phone: 618-624-4500
- Address: 8716 City Clerk Physical Address 255 S Lincoln Avenue O'Fallon, IL 62269
- Hours: Monday through Friday, from 8 am to 5 pm.
- Checked: September 25, 2026, the page answered.
O'Fallon City Hall: departments, licenses and permits
Business licenses, building permits, code enforcement cases and the city's other records are kept by the department that issued them. The city's own website below lists its departments and how to reach them.
- Website: ofallon.org (page title: O'Fallon, IL)
- Checked: September 25, 2026, the page answered.
Public records requests to O'Fallon
Illinois public records law applies to the city government of O'Fallon. A record that is not posted online is requested from the office that holds it: the City Clerk for council and city records and the department that issued a permit or license for its records. A request that names a date, an address, or a report or case number is the easiest to answer.
Other cities and towns in St. Clair County
SearchSystems has a guide like this one for these other cities and towns in St. Clair County. The St. Clair County public records guide covers the records the county keeps for all of them.
Frequently Asked Questions
Is this the official O'Fallon website?
No. SearchSystems.net is an independent public records directory, online since 1997. It links to the official O'Fallon offices listed above, and the city's own website is ofallon.org; SearchSystems does not hold records, charge for them or take requests.
Where do I find O'Fallon city council minutes and ordinances?
From the City Clerk at ofallon.org/170/City-Clerk, phone 618-624-4500. The office keeps the official agendas and minutes, ordinances and resolutions.
Where do I find court records or jail bookings for O'Fallon?
O'Fallon cases are heard by the courts that serve St. Clair County, and people arrested in O'Fallon are usually booked into the county jail. Both are covered in the St. Clair County public records guide on SearchSystems.
How do I request a public record from O'Fallon?
From the office that holds it: the City Clerk for council and city records and the department that issued a permit or license for its records. Illinois public records law applies to city governments.