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The County of DuPage
Wheaton, Illinois

Contact County Clerk


DuPage County Clerk’s Office
421 N. County Farm Road
Wheaton, Illinois 60187

Postal Address

Jean Kaczmarek     
DuPage County Clerk
P.O. Box 1028
Wheaton, IL 60187


County Clerk ContactsPhone Office Hours
County Clerk’s Office (630) 407-5500 8:00 a.m. – 4:30 p.m.
Monday - Friday

County Clerk’s Revenue Department

  • Update Real Estate Tax Bill Mailing
  • Questions regarding Property Index Number (PIN)
(630) 407-5540