St. Clair County Treasurer

Building Construction Information

The St. Clair County Administration and Courts Building is preparing to undergo extensive renovations that will affect parking, traffic, and building access. To aid those who are planning on visiting the building, we have set up an informational page that will provide the most up-to-date notices.

General Information

The Treasurer’s Office is responsible to safeguard, maintain and invest more than $185 million in County funds.

Our commitment is to provide excellence in public services. The St. Clair County Treasurer’s office exists simply as a resource which enables the public to benefit from the tax dollars they are required to pay.

Our goals include:

  • Maintaining professional courtesy and integrity
  • Having a proactive attitude in raising technical or business related issues
  • Insuring that all County money is secure, liquid as needed and invested at a fair market or higher rate
  • Holding all tax money prior to distribution at fair market or higher rates
  • Providing more information about property tax exemptions, programs and procedures.

Additional Department Resources

Real Estate / Mobile Home Tax Resources

Department Info
Andrew Lopinot - Treasurer
Andrew Lopinot


Treasurer’s Office

#10 Public Square
Belleville, IL 62220

Business Hours:
M-F 8:30am - 4:30pm

Meetings & Events

Resident Resources
Business Resources
Attorney Resources
Service Resources