Downers Grove Township
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Downers Grove Township Assessor's Office

Gregory A. Boltz - Assessor

The DuPage County Treasurer’s office will be mailing the 2022 Real Estate Tax bills on April 28, 2023.

The 1st installment is due June 1, 2023, and the 2nd installment is due September 1, 2023.

As a reminder, the Assessor’s Office cannot accept real-estate tax bill payments.  Any questions you have regarding your tax bill can be directed to the DuPage County Treasurer’s office at:


Office Hours: 
8 a.m. – 4:30 p.m.

DuPage County Treasurer
421 N. County Farm Road
Wheaton, IL 60187-2553

Treasurer’s Homepage:

The deadline to file an appeal for the 2022 tax bill has passed. However, if you have any questions regarding the assessment of your property, you can fill out our contact form to discuss your assessment with a Deputy Assessor for the next assessment year.