By submitting the complaint through the website, it is implied the Board of Review rules have been read and followed. The submission can be reviewed on the county website after 72 hours through the online look-up.

Download and complete the complaint form and assessment grid to your local device.  Data should be entered to the local device to save and print the file pages.  We cannot upload from the cloud or other websites. The complaint files(s) should be attached to the submission below. PDF files are preferred, other types can be accepted.

If you have not downloaded any forms, please go to: Filing A Complaint  

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 assessments@mchenrycountyil.gov

If the complaint was not submitted to the county website before you leave the page all entries, files, and links will be invalidated.

Continue down below to submit your complaint.