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Real Estate Tax Bill Questions & Answers

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The first installment was due June 2, 2017, and the second installment is due September 1, 2017.


For assessment, property description, multiplier, and exemption questions, contact the Supervisor of Assessments Office at 815-895-7120. Your Township Assessor can explain how your assessment was determined. For tax rate and tax levy questions, contact the County Clerk at 815-895-7152. For tax billing and payment questions, contact the County Treasurer at 815-895-7112


  1. You may pay online with your:
  • Visa, MasterCard credit or debit card, Discover, or American Express credit cards. A convenience fee of 2.35% will apply.
  • Visa Debit card. A $3.95 convenience fee will apply.
  • Direct Debit/E-check from your bank account. A $1.00 convenience fee will apply.
    No portion of these fees are paid to DeKalb County.

  1. You may pay your taxes at most banks in DeKalb County during the bank's normal business hours, on or before the due date of an installment. Bring the entire statement to the bank with you. Banks cannot accept payments after the due date. Please put your parcel number on your check.
  2. You may pay by mail. Send the appropriate stub and your check made payable to DEKALB COUNTY COLLECTOR, 110 E. SYCAMORE ST., SYCAMORE, IL 60178. Please put your parcel number on your check.

  3. You may pay at the DeKalb County Treasurer/Collector's Office, Administration, 4th Floor, Administration Building, 110 E. Sycamore St., Sycamore using:
  • Cash, cashier's checks, or money orders, any time until November 3, 2017.
  • Personal or Business checks, until September 29, 2017.
  • Visa, MasterCard credit or debit, Discover or American Express cards until Friday, October 27, 2017. A convenience
    fee of  2.35% will be added. No portion of the fee is paid to DeKalb County.

Business hours are 8:30 a.m. to 4:30 p.m., Monday through Friday, except holidays. 

Those taxpayers who intend to pay at the office should be aware that parking is extremely limited due to the jail expansion project. Taxpayers are encouraged to mail their payments so that they are postmarked on or before the due date, or to make their payment at a local bank on or before the due date, to avoid the congestion.

  1. If a mortgage company is to pay your bill, it is your responsibility to call them and ask if you need to send them a copy of your bill. Many mortgage companies now pay electronically and may not require a bill.

  2. If you no longer own this property, it is your responsibility to mail the bill to the new owner.

  3. Installments equal to one-half the total tax are due on or before the due dates shown on the front of the tax bill, or the entire bill may be paid by the first installment due date. Installments unpaid by the due date will have interest added at the rate of 1.5% per month until they are paid. Property owners who have delinquent taxes remaining after the second due date will be mailed a delinquent bill and a $10.00 fee will be added to the amount due. A delinquent tax list will be published after the second due date. Additional costs and interest will be added at tax sale or forfeiture. A minimum charge of $30.00 will be added for checks returned to us by a bank and the tax payment will be voided.

  4. Failure to receive a tax bill, or receiving one late, for any reason, will not relieve the taxpayer from paying taxes or late penalties. Payments made on a wrong parcel cannot be refunded.