Parcel Data Downloads
The following downloads include ALL parcels and their related parcel information for each property class. The files are in Excel (.xls) format and are compressed (.zip) for download.
Parcel data and values updated on Tuesday, November 27th, 2018.
The 2018 assessments include the Supervisor of Assessments equalization factor of 1.0392. This assessment is subject to future County and State equalization. After publication a property owner has 30 days to file an appeal with the DuPage County Board of Review.