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Welcome to DuPage Township Assessor's Office

DuPage Township is a WILL COUNTY Office

Ken Harris, CIAO, CPA
DuPage Township Assessor 


 OFFICE INFORMATION
    9:00 a.m. - 4:00 p.m. 
(630) 759-1315

 

Notary Service Available - No Charge 

Bilingual Speakers are Available

Fax: 630-759-6163

Email: 

Information@dupagetownshipassessor.com 

Assessor@dupagetownshipassessor.com

             

DUPAGE TOWNSHIP OFFICES WILL BE CLOSED

 

01/19/2026 - Martin Luther King Day

* = 2026 Board of Review – Filing a Complaint

The Board of Review Appeal Portal will be open for submissions from August 10th, 2026, through September 14th, 2026.


Click on the link below to visit the Board of Review Appeal Portal:

https://borappeals.willcountysoa.com

Any change of assessments will also be published in local newspapers August 12th and August 13th, 2026.

To see the publication schedule, which includes what newspaper will publish changes in DuPage Township: The link will be provided later.                                                                                                                                                                                                              

Notice to Township Residents

Property owners who disagree with their 2026 assessment may file an Assessment Review Inquiry through this website. The deadline to submit an inquiry is July 12, 2026. Filing an inquiry allows sufficient time to pursue a formal appeal, if necessary, should you disagree with the Township’s review. Please visit the appropriate tab on our website for instructions and the required form.

Assessment Information

Property assessments are set at one-third (33.33%) of fair market value.

Assessments are based on three years of adjusted, valid sales prior to the assessment date.

2026 assessments are based on sales from 2023, 2024, and 2025, not current market conditions.

 

Exemptions

Renewal exemption forms will be mailed mid-April 2026 by the Will County Supervisor of Assessments.

Homeowners may visit our office for assistance completing exemption forms. Please bring all required documentation, including:

New applicants may visit our office at any time for assistance. However, Low-Income Senior Freeze forms will not be available until mid-April 2026.

A detailed explanation of all exemptions is available under the Exemptions tab on our website.

General Homestead and Senior Exemptions increased beginning with the 2023 tax year (payable in 2024).

    Total household income (for the Senior Freeze Exemption)

    Appropriate documentation for disability-related exemptions

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TAX BILL INFORMATION:

How to understand your tax bill from the County - CLICK HERE

HOW DOES THE ILLINOIS TAX SYSTEM WORK?  CLICK HERE to see how the Illinois Property Tax System works!

If you need to find your tax bill amount, visit website of Will County Treasurer at www.willcountytreasurer.com to review current bills and past bills. 

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2024 Notices and Assessment Process Information:

DuPage Township received a 1.1114 multiplier from Will County for 2024. It has been a fast-rising market, and most of the townships in Will County have received large multipliers.  

THE 2024 ASSESSMENTS ON THIS WEBSITE ARE NOT FINAL VALUES. THEY ARE VALUES AS OF THE PUBLISH DATE  BY THE COUNTY.  THEY DO NOT INCLUDE ANY CHANGES MADE AT THE LEVELS CURRENTLY OPEN.  THE FINAL VALUES WILL NOT BE POSTED UNTIL THE BOARD OF REVIEW HAS CLOSED THE BOOKS AT THE END OF THE YEAR. IF YOU HAVE QUESTION ON ANY SPECIFIC VALUE, PLEASE CALL OUR OFFICE WITH THE PIN NUMBER AND WE WILL BE HAPPY TO HELP. 

Notice values and multipliers are used for the 2024 tax bill, which is payable in 2025.  Notices are not a bill!   


 


 IS YOUR PROPERTY PROTECTED FROM FRAUD?

According to the FBI, Property and Mortgage fraud is the fastest growing white-collar crime. Your county land records office has teamed up to create a FREE notification service called Property Fraud Alert.

Subscribe free of charge at www.propertyfraudalert.com or call 1-800-728-3858.

You will need your parcel number to sign up, can get that from your tax bill or deed to property or locate it on this website or county website!

Web Edition Property Record Cards are available under the property search tab for your convenience. However, these cards may not contain the most up to date information. For a more detailed property record card, if available, you may contact our office for a copy.  

Please Note:  We are continuously working on entering and updating our information along with entering new data as it becomes available so we can provide you with as much information as possible.  However, as much as we try, the data on this website is not guaranteed to be 100% accurate.  
 


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