Property Search

The data contained here is public record, made available by the Freedom of Information Act and Illinois Code. Use of this site is intended for research purposes only. Any other use is strictly forbidden.

Occasionally, there may be an error in this data. Information gathered from the website cannot be used as a basis for argument until it has been verified as accurate by the Assessors Office.

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Interactive Maps

Click here for access to McHenry County Athena maps. The Athena maps include information such as property owner, assessed value, and property sales.

The McHenry County Planning and Development maps provide access to McHenry County zoning and land use information.