McHenry County Property Tax Inquiry

Important Notice
Due to nightly maintenance beginning at 10:00 p.m. CDT on the County Treasurer’s website, this website may experience an outage.
Please check back later in the night.
Helpful Hints
To search for tax information, you may search by the 10 digit parcel number, last name of property owner or site address.
When searching, choose only one of the listed criteria. Do not enter information in all the fields.
Search Criteria
Parcel Criteria
Address Criteria
Sales Criteria
Advanced Criteria
Tax Year Criteria
Include All Tax Years