Send a letter to:
DuPage County Clerk
P.O. Box 1028
Wheaton, IL 60187
Please include your Parcel Number (PIN), property address and the new mailing address.
The DuPage County Clerk’s Office calculates the tax rates (set within statutory limits) for every taxing district in DuPage County. The tax levies are adopted by each taxing district's board and the Equalized Assessed Value of the properties in each district is certified by the Supervisor of Assessments.