SWIFT 9-1-1 EMERGENCY NOTIFICATIONS – Get texts, emails or phone calls about emergencies, notifications and weather-related events at your specific location. The service is free to all O'Fallon residents. Verify or add your information to the Swift 9-1-1 notification system now!

Utility Services

  • Register for service(s) »»
  • Pay bills and fines »»
  • Register for e-Billing »»
Water/Sewer emergency?
Call 636-281-2858

Business Map
& Directory

Search, sort and locate
more than 1,600 O'Fallon businesses. »»

Citizens First Center

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

Environmental Services

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

Be Prepared for Spring Floods!

See if you are located in a floodplain area. »»
Or, learn more about Floodplain Management. »»

Permits and Code Enforcement

  • Apply for a permit »»
  • Renew a license »»
  • Submit a complaint »»