[Illinois Assessors]

Grundy County, Illinois - Assessor's Office

The Grundy County Assessor is responsible for appraising real estate and assessing a property tax on properties located in Grundy County, Illinois. You can contact the Grundy County Assessor for:

  • Paying your property tax
  • Reporting upgrades or improvements
  • Your property tax bill
  • Information on your property's tax assessment
  • Appealing your property tax appraisal
  • Checking the Grundy County property tax due date

1320 Union StreetThe Grundy County Assessor's Office is located in Morris, Illinois. Morris is the county seat of Grundy County, where most local government offices are located.

Grundy County Assessor Contact Information

Additional Grundy County Information

Grundy County Assessor's Office Services

There are three major roles involved in administering property taxes - Tax Assessor, Property Appraiser, and Tax Collector. Note that in some counties, one or more of these roles may be held by the same individual or office. For example, the Grundy County Tax Assessor may also serve as the Grundy County Tax Appraiser.

  1. The Grundy County Tax Assessor is responsible for setting property tax rates and collecting owed property tax on real estate located in Grundy County.
  2. The Grundy County Property Appraiser is responsible for determining the taxable value of each piece of real estate, which the Tax Assessor will use to determine the owed property tax.
  3. The Grundy County Tax Collector is responsible for collecting property tax from property owners. They issue yearly tax bills to all property owners in Grundy County, and work with the sheriff's office to foreclose on properties with delinquent taxes.

When contacting Grundy County about your property taxes, make sure that you are contacting the correct office. You can call the Grundy County Tax Assessor's Office for assistance at 815-941-3269. Remember to have your property's Tax ID Number or Parcel Number available when you call!

If you have documents to send, you can fax them to the Grundy County assessor's office at 815-941-2126. Please call the assessor's office in Morris before you send documents or if you need to schedule a meeting. If you have general questions, you can call the Administration Center at 815-941-3400.


Learn More

Find the tax assessor for a different Illinois county

Find property records for Grundy County

The median property tax in Grundy County, Illinois is $3,666.00


illinois Property Tax Data All of the Grundy County information on this page has been verified and checked for accuracy.
If any of the links or phone numbers provided no longer work, please let us know and we will update this page.