Mercer County Assessor and Property Tax Records Search

Search assessor and property tax records records in Mercer County, Illinois, including record offices, contact details, and available online resources.

Available Records

  • Mercer County Assessment Officer<br>Mercer County Courthouse<br>100 SE 3rd St., Aledo, IL 61231<br>Phone (309) 582-7814 Fax (309) 582-2541
  • View Mercer County Assessor's Office general information including email address, contact numbers and address.
  • View Mercer County Government tax deed auction information, including upcoming, previous and assignable lien certificates.
  • View Mercer County Treasurer home page, including name, hours, phone number, and address.