Mobile home tax bills will be mailed on Monday August 11th, 2025
2025 due date is October 14th, 2025.
After the due date in October there will a $25.00 per month late fee up to $100.
Options for Paying Your Mobile Home Tax Bill
Payments can be made with cash or check. Credit/Debit payments are not available.
Payments can be mailed to:
McHenry County Collector
2200 N. Seminary Avenue
Woodstock, IL 60098.
Checks are payable to the McHenry County Collector.
Please do not mail cash.
Payments can be made in person at our office at 2100 N. Seminary Ave. in Woodstock.
Payments not received on or before the due date are subject to a $25 per month penalty (with a maximum of 4 months $100.)
Tax is calculated by multiplying the rate (based on the age of the Mobile Home) times the square footage.
October 14th is the last day to pay to avoid Mobile Home tax lien.
Other Important Information
Before moving or selling mobile homes, the taxes must be paid to date. To obtain a clear title, you will need to file a Mobile Home Certification, which can be obtained at the McHenry County Treasurer’s Office and then filed with the Illinois Secretary of State's Office.