Hours:
Monday - Thursday: 9:00 AM - 8:00 PM
Friday & Saturday: 9:00 AM - 5:00 PM
Sunday: 1:00 - 5:00 PM
Phone: (636) 978-7926
Location: 2750 Hwy K, O'Fallon, MO 63368
To read more about this branch's changes, visit Destination 2027.
Features
- 30,000 Square Feet
- AWE Early Literacy Station (Funded by a Library Foundation grant.)
- Curbside Service
- Free Wi-Fi
- Self-Service Fax/Scan/Copy
- Holds Hopper (24/7 Access)
- Interactive Children's Literacy Space
- Passport & Notary
- Public Computers
- Reserve a Meeting Room
Book Discussion Groups
Want to find other book lovers like you? Pick up this month's selection at a branch near you and join the club!
- 1st Wednesday at 2 pm book list for adults
- 2nd Wednesday at 6:30pm book list for adults
- 2nd Monday at 6:30 pm book list for adults
- Last Thursday at 2pm book list for adults
- Family Book Club: 1st Thursday at 6 pm
- Teens Read: 3rd Tuesday at 6:30 pm
- Graphic Novel Club Jr: 4th Tuesday at 6 pm
- Mark Twain Nominees: One Saturday a month at 3pm
Your Next Read
What's next on your reading list? Find book recommendations from staff and lists of new and popular titles for your next read.
Library Closing Information
2026 Holiday Closings
Martin Luther King Jr. Day - Monday, January 19
Staff Training Day - Wednesday, January 28 (delayed start 2 pm)
Presidents' Day - Monday, February 16
Easter Holiday - Sunday, April 05
Staff Development Day - Friday, April 24
Memorial Day - Monday, May 25
Juneteenth - Friday, June 19
Independence Day - Saturday, July 4 & Sunday, July 5
Labor Day - Monday, September 7
Columbus Day/ Indigenous Peoples' Day - Monday, October 12
Veterans Day - Wednesday, November 11
Thanksgiving Day - Thursday, November 26 & Friday, November 27
For the Holidays - Thursday, December 24 & Friday, December 25
New Year's Holiday - Thursday, December 31 (Close at 5 pm) & Friday, January 1, 2027