Start Your Property Tax Appeal Review – McHenry County

Act now! Appeals are OPEN for multiple townships with deadlines this month! Use the checker below to start the review process now.

Check Eligibility – Free

Check Your Township's Appeal Deadline

Click your township below to automatically update the form status.

Why Submit Your Info Now?

For OPEN townships (Deadlines are imminent!): We assess your property immediately to determine if you are a strong candidate before the final closing date.

For OPENING SOON townships (Marengo, Riley): We prepare your review now so your property is ready to be assessed the moment the window opens, securing your spot.

For CLOSED townships: We save your property details to ensure you are first in line for the next appeal season (likely 2026).

New to McHenry appeals? We're here to guide you — every step, no upfront fees.

Get Started in 60 Seconds

Processing your request and checking eligibility...

🎉 Submission Complete! We have successfully received your details. Please look below the form for the timeline of your free property assessment.

Free Property Assessment. If we determine you have a strong case for property value reduction, we will respond within 48 business hours. Our goal: a successful appeal and a reduced property tax bill.