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Official property assessment data for parcels in Cook County, Illinois.
Description, fields, and how we track updates on the provider’s site.
The Cook County Assessor maintains assessment records for residential and commercial property in Cook County. The office provides online tools for searching assessed values, parcel details, and appeals-related information.
Data types
Other listings in the same category or with similar coverage.
Data updated: Annual / reassessment cycles
We scan the provider’s site weekly. New findings appear here. Headlines are AI-summarized — follow the source link to verify.
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This description was generated by an AI that visited www.cookcountyassessor.com and used a prompt on its data to produce consistent output. If there are errors, please .
Geographic boundaries and features for all US census geography.