Useful Links
GIS Map System
McHenry County GIS website that is useful in finding comparable properties.
http://www.mchenrycountygis.org/athena/
Tax Bill Information
McHenry County Treasurer’s Website
https://www.mchenrycountyil.gov/county-government/departments-j-z/treas…
Appeal Forms & Rules
Board of Review Appeal forms
https://www.mchenrycountyil.gov/departments/assessments
Township Assessors in McHenry County
List of all Assessors in McHenry County, Download PDF