Will County Supervisor of Assessments
Contact Us

General Contact Inquiry Form

STOP - If your question is about your tax bill, copies, payment status, etc., the Supervisor of Assessments doesn’t handle the tax bill management. You would need to call the Will County Treasurer’s office at (815) 740-4675 or by visiting them on the web at www.willcountytreasurer.com

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Address & Phone Information
Hours of Operation:  
Will County Supervisor of Assessments Office
302 N. Chicago Street
Second Floor
Joliet, Illinois 60432
  Monday - Friday,
8:30 am to 4:30 pm
            Assessments: (815) 740-4648
            Mapping: (815) 740-4664