County Assessments Office - Robert H. Ross, Chief Assessment Officer

E-Filing Assessment Appeals

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File an Appeal using the Electronic Appeal Form:  


DO NOT fill out the form online and then save it to your hard drive. The document that you save may be blank. As stated below you must save the file to your computer before completing the form.


Right click on the appeal form below that you wish to file, select "Save target/link as". This will allow you to save the PDF form to your computer. Next open the file, complete the form and save the file to your computer.

2020 Residential Assessment Appeal

2020 Commercial Assessment Appeal (Coming Soon in June 2020)

2020 Industrial Assessment Appeal (Coming Soon in June 2020)

 After completing the appeal form, open the "SUBMIT YOUR APPEAL" option located on this page. Enter the required information. Be sure to enter your email address at the bottom of the screen and you will  be sent a copy of your appeal and evidence. Also there are five upload boxes available to attach additional evidence.

When sending photos as evidence, please be sure that the Property Index Numbers or addresses are labeled on each photo (not in the text of the e-mail message) so that the Board can easily identify them.

After sending the file you will receive a message that your appeal was submitted.

To send your appeal to McHenry County Board of Review click "SUBMIT YOUR APPEAL"

Additional Evidence:

If after sending the appeal you have additional information please email it to [email protected]

Please be sure to reference the Property Index Number in the subject line.

Appeal Instructions and Guidelines to help with Appeal Filing

The following documents may be helpful in the Appeal Process:

Ten steps to a Fair Assessment

How to File an Appeal 

Board of Review Rules

For assistance with this E-filing application, please contact our office during normal business hours (8:00 am to 4:30 pm central) at (815) 334-4290 or by e-mail at [email protected]




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