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Attorneys practicing in and around the Chicagoland area. Experienced in the practice areas of Real Estate Law, Mortgage Foreclosure Defense Litigation, Business Law, & Estate Law.

Attorneys At Law - Attorneys practicing in and around the Chicagoland area. Experienced in the practice areas of Real Estate Law, Mortgage Foreclosure Defense Litigation, Business Law, & Estate Law.

DuPage County Property Taxes: Frequently Asked Questions

Old DuPage County Courthouse

By Katherine Johnson from Springfield, IL – Old Dupage County Courthouse, CC BY 2.0

You probably have a few questions about property taxes. 

The information in this post will be helpful for new homeowners in DuPage County that are paying property taxes for the first time or others who may have received an unexpected bill or change from the treasurer’s office.

As real estate law attorneys serving DuPage, Kane, Kendall, Will, and Cook Counties in Illinois, we advise many clients on issues having to do with real estate transactions, short sales, foreclosure, and other topics.

Here are some of the most commonly asked questions about property taxes in DuPage County.


When are my property taxes due?

In 2017, your first installment is due June 1, 2017.  Second installment property taxes due September 1, 2017. Unpaid property tax bills are auctioned on October 30, 2017.

Your property tax bill due dates for 2017 will be announced in spring 2018.


Why did I get a bill?

Does the mortgage company pay your taxes?

  • If your mortgage company pays your taxes you will still receive a bill in the mail for your records. A tax bill is often requested to prove residency.

Are you a new property owner?

  • If you are a new property owner you will still receive last year’s tax bills.

Related: DuPage Homeownership Center is Now H.O.M.E DuPage

DuPage County Courthouse

Is my information correct?

Do you need to change your mailing name or address on your bill?

  • If you need to change information on your bill, contact the DuPage County Clerk’s office at 630-407-5540

Does your bill seem too high?

  • You can check if it is correct by calling your Township Assessor to verify that you are receiving the exemptions for which you qualify. If you have questions about rate changes, you should contact that specific taxing body.

Related: High Property Taxes Sending Illinois Homeowners Towards a Cliff

Don’t know your property tax number?

  • Also Known as your parcel number or pin number, your Township Assessor can look up the number for you by property address.

Making a payment?

Did you pay your taxes last year?

  • If you did not pay last year’s taxes you can call the DuPage County Clerk’s office at 630-407-5500 and you should ask for an Estimate of Redemption. Make sure you have your property tax number.

Can I prepay my taxes?

  • Yes, you can. Contact the Treasurer’s Office at 630-407-5900 to speak with the collection department. You will not be able to find prepay information online.

Do you own multiple parcels in DuPage County?

  • You can pay for all of them on one check. Make sure your math is correct and list all the parcel numbers you are paying on the check. Include the correct installment coupon for each payment you are making.

Can I make a late tax payment?

  • Do not worry, this office does not report late tax payments to any credit bureau.

Paying by mail?

  • If you need a receipt, your canceled check will count. If you need an official document, please either call the Tax Information Department (630-407-5900) or add a note requesting a receipt. Allow two weeks for a receipt to be issued.

Will I be charged for a copy of my bill?

  • No, you will not be charged for copies of tax bills for the property owner.

DuPage County Property Tax Resources

DuPage County Treasurer Website

Online Property Tax Information

DuPage County Property Tax Lookup

Free Financial Counseling for DuPage County Homeowners (PDF)

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The Law Offices of Lora Fausett P.C. provides real estate attorney services including loan modificationsbuying and selling legal assistance, short sales and deeds in lieu, mortgage foreclosure defense, and others.

Located in Glen Ellyn, Illinois and serving clients in DuPageCookKane, Will, and Kendall Counties.

For Information Call 630-858-0090


Category: DuPage County