• Veterans Memorial Walk

  • Main Street, c. 1909

  • Summer Fun Awaits!

    O’Fallon's popular, family-friedly events are back! Enjoy warm summer nights at one of our fun, free activities.

    Jammin'Food Truck Frenzy

  • Fort Zumwalt Park

  • Sales Tax Holiday
  • Veterans Memorial Walk
  • Main Street, c. 1909
  • Summer fun
  • Fort Zumwalt Park

Upcoming Events


6:30 PM - 9:00 PM


10:00 AM - 7:00 PM


9:00 AM - 5:00 PM


6:30 PM - 9:00 PM

View Full Calendar

GET O'FALLON'S E-NEWSLETTER – Receive weekly updates of the latest news and upcoming events from the City of O'Fallon. Sign-up now!

Utility Services

  • Utility registration
  • E-Billing
  • Pay bills and fines
Water/Sewer emergency?
Call 636-281-2858

Business Map
& Directory

Search, sort and locate
more than 1,200 O'Fallon businesses.

Citizens First Center

Make a request, report
a street light outage
or road repair, ask us
a question.

Summer volunteering!

With the height of the festival season at hand, help is needed with City events. Contact O’Fallon’s Volunteer Services at volunteer@ofallon.mo.us or 636-379-5417. Or visit the Volunteer Services webpage.

Stay up-to-date on bridge construction/repairs, lane closures, and Highway 364 upgrades

Get the information you need on various projects, including:

O'Fallon TV

Stay informed! Find local programs and watch meetings, live, on O’FallonTV online, or via cable access on your television.

Watch O'Fallon Update

Watch on YouTube

Watch City Meetings

  • Trash & Recycling

    Learn the latest on trash, recycling and yard waste pickup, bulk waste drop-off and holiday schedules.
  • City Projects

    Explore current and future road construction, repairs and detours, water and sewer projects, and stormwater efforts.
  • Municipal Court

    Court is held three to four times each month. Find court dates, pay fines and more.
  • Volunteer O'Fallon

    Meet new people, keep job skills fresh and get behind the scenes by helping City staff with events, programs and projects.