Ready for Rascals' baseball?

Friday, April 27 • 5:30–8:30 PM

This free, family-friendly rally at CarShield Field features a variety of food trucks and free activities, including inflatables and a baseball clinic on the field.

The New Alligator's Creek Aquatic Center is bigger, better and more fun

On Memorial Day weekend, O'Fallon is set to open an expanded Alligator's Creek featuring a new changing area, a longer lazy river, exciting kids' play features, a splash pad and much more. Season passes on sale now!

Call for Sculpture Artists!

The City of O’Fallon's new rotating sculpture series, The Shape of Community is a citywide, temporary sculpture exhibition, featuring large-scale works of art in prominent areas throughout the City. Submissions are due May 4, 2018.

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Springtime Fun!

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


Upcoming Events

9:00 AM - 11:00 AM
O'Fallon Earth Day
9:00 AM - 12:00 PM
Municipal Court
5:30 PM - 8:30 PM
Food Truck Frenzy & Fan Fest
View Full Calendar
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Senior Utility tax rebate

Age 65+ or a resident with disabilities? Recoup some of your City phone and utilities taxes! Bring copies of your 2017 gas, electric and phone bills, including your cell phone to City Hall on weekdays beginning Monday, April 2, through May 31st. Staff will assist you with filing from 9:00 a.m. – 4:00 p.m., Monday through Friday. To qualify you must be

  • An O’Fallon resident who is 65 or older or determined totally disabled by the Social Security Administration.
  • You must have an annual adjusted gross income of no more than $41,750 for a single head-of-household or $47,700 for a married (two-person) household. Social Security income is not counted. 

You must file for your rebate in person and be sure to bring:

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