County Treasurer


Monday — Friday • 8:00 AM — 4:30 PM


(815) 941-3215


(815) 941-3448


111 E. Washington Street, Room 33 Morris, IL 60450

County Tax Sale Info

Tax Buyer Registration Deadline: October 24th, 2018.  You must be registered to participate in the sale.  **Note all payments made  after September 28th MUST BE cash or cashier check.  No personal checks will be accepted after September 28th.

Tax Sale: November 7th, 2018 at 1 p.m. in the Grundy County Administration Building located at 1320 Union St, Morris, IL 60450.

Click Here for the Tax Buyer Registration Form

Tax Payment Information

Online tax payments are no longer being processed.   Credit card processing has ended, at this time the Treasurer’s Office will only accept cash or cashier’s check as payment on your tax bills.

Please visit our Treasurer’s office at 111 E. Washington Street, Morris to process your tax payment

Mobile Home Tax Bills

Grundy County Collector has mailed mobile home tax bills, with payment due date of June 1, 2018.  For your convenience payments may be mailed directly to PO Box 689, Morris or made in person at the courthouse located at 111 E. Washington St. Room 33.  Currently, credit card payments for mobile home transactions will only be accepted in the Treasurer’s Office.


Collects and disburses real estate taxes and other financial aspects of the county. Also pays county bills including all county personnel payroll.

General Information:

  • The County Treasurer, (815) 941-3215, has information pertaining to the actual tax bill, amount and tax payment procedures.
  • Duplicate copies of tax bills are available for $5.00 if you are not the homeowner of record.
  • The County Clerk’s Office, (815) 941-3227, can answer inquiries about the various tax rates and levies.
  • The Supervisor of Assessments Office, (815) 941-3269, can offer assistance relating to assessments, property descriptions, exemptions and reporting mailing address changes.
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