Board of Review

County of McHenry
McHenry County Office of Assessments
Administration Building, Suite 106
North of Courthouse Complex
2200 N. Seminary Ave.
Woodstock, Illinois 60098-2698
Phone: (815) 334-4290 Fax: (815) 334-4939

DEADLINES for Filing Complaints

You must file within 30 days of the date of publication for township’s publication. The link below can give the progress of the townships in McHenry County.

• 2024 Assessment Progress Report aka "Board of Review Status Report" Information of Publication dates for New Assessments/Complaint Closing Dates)

Board of Review Rules for Complaints

To view or download the Rules Governing Business Before the Board of Review of McHenry County for the Assessment Year 2024 in Accordance with 35 ILCS 200/9-5, click the below links:   

• 2024 Board of Review Rules

These rules were adopted for the 2024 session of the McHenry County Board of Review as of June 1, 2024

Guidelines on How to File a Complaint

A Complete Guideline to assist you with completing your Residential Complaint form and grids on the Filing A Complaint page.

Complaint Forms:

For Complaint packets with the Rules and Instructions of “How to File a Complaint” or fillable complaint forms, click this Filing A Complaint Forms  link.

County Assessment Values and Information:

Assessment Information and Values for 2024 can be verified going to the  McHenry County Property Inquiry

(When inquiring make sure to change the tax year to 2024)

Submitting a Complaint:

When all documents are prepared and completed, the complaint can be filed. Go to the Submit Your Complaint Tab and follow the prompts.

You  may also submit your completed Complaint for 2024 Assessment year via email to: assessmentcomplaints@mchenrycountyil.gov

To VIEW a Submitted Complaint or Assessor’s Response on the website

When searching through the Complaint Look Up, limit the data entry requested to a minimum.  Make sure to include the Year and PIN #  (Most of the time, these are the only two entries needed to get your results.

To view a Submitted Complaint or look at an Assessor's Response to a complaint, please check our online Complaint Data Search on the county website.

To view an Agenda or Schedule for a complaint, please check our Schedule Look Up (Click on Select Search Type drop down; select AS-Hearing Schedules)

Other Complaint Instructions and Guidelines to Help with Complaint Filing

The following documents may be helpful in the Complaint Process:

Ten steps to a Fair Assessment

How to file a Complaint

Board of Review Rules

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