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

Press Releases

Lori Werden, Grundy County Treasurer, has announced that the 2017 property tax bills will be mailed out on May 7th, 2018.  First installment will be due June 14th, 2018 and the second is due by September 14th, 2018.

Grundy County Tax Bills:

(1st) Installment is due June 14th 2018                   (2nd) Installment is due September 14th 2018


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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