Information in this web application may contain inaccuracies or typographical errors. Information may be changed or updated without notice and is provided "as-is" without warranty of any kind, either expressed or implied, including (without limitation) any implied warranties of merchantability or fitness for a particular purpose. In no event will McHenry County be liable to you or to any third party for any direct, indirect, incidental, consequential, special, or exemplary damages or lost profit resulting from any use or misuse of this information. Information has been reproduced from original sources and should not be used in place of a survey or legal documents.

Data within this application is compiled from various departments. Please review the Sources of Information document in this application to determine the contact of who maintains each dataset or please direct questions or issues by email to: gis@co.mchenry.il.us

PLEASE NOTE: Tax data within this application may not reflect the most current information. Please review any official tax documents or contact the Supervisor of Assessments for the most accurate information. Email: assessments@co.mchenry.il.us

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