Contact Us | Invest in Illinois

two people at work looking at a computer, text reads New Third-Party Administrator Starting June 2026

Send Us a Message!
 

If you prefer to reach the Treasurer’s Office by email, please contact the corresponding program or division below.
 

  • For general office questions, email: webmaster@illinoistreasurer.gov
     
  • Invest in Illinois is a collection of programs offered by the Treasurer’s Office: Ag Invest, Business Invest, and Community Invest that provide impact investment deposits to lending institutions. For questions about the Treasurer’s Office investment programs (Illinois Ag Invest, Illinois Business Invest, and Illinois Community Invest), email: investinillinois@illinoistreasurer.gov.
      
  • The Illinois Funds allow government agencies to use the Illinois Treasurer’s resources to safely invest their funds while enjoying the economies of scale available through a pooled fund investment portfolio. For Illinois Funds questions, email: ilfundsmarketing@illinoistreasurer.gov

Please note that the Treasurer’s Office will be closed on state holidays

Unclaimed Property Division

Springfield

  • Marine Bank Building
    1 East Old State Capitol Plaza
    Springfield, IL 62701
    Phone:  800-961-8303         
    Phone:  217-785-6998

Chicago

  • Chicago – Click here to schedule an appointment
Treasurer’s Office Locations

Chicago
 

Springfield
 

TTY: 866-877-6013