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: Not Available at this time. 

The 2016 Appeal Filing Deadlines for McHenry County have expired.

Right click on the appeal form you wish to file and select "Save target/link as". This will allow you to save the PDF Form to your computer. Then simply open the file, complete the form and save the file. Next email the completed application along with any additional evidence to

Also when sending in photos as evidence, please make sure that the PIN and comparable numbers are marked on each photo (not in the text of the e-mail message) so that the Board can easily identify them.

Additional Evidence:

After sending your appeal if you have additional information, please email it to

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


When filing electronically DO NOT fill out the form online and then save it to your hard drive. The document that you save will be blank. As stated above save the file to your computer before filling out the form.


Appeal Instructions and Guidelines

The following documents may be helpful in the Appeal Process:

Not Available at this time. 

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




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