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    • This is a Non-Federal dataset covered by different Terms of Use than Data.gov.

    Assessor [Archived 05-11-2022] - Cook County Property Assessments

    Metadata Updated: January 25, 2026

    Every assessed value in Cook County 2010 to 2020, and appeal indicators. Each PIN has three stages of assessments each year: CCAO Mailed, CCAO Certified, and Board of Review (BOR) Certified final values. This allows comparison in assessments across agencies.

    Access & Use Information

    Public: This dataset is intended for public access and use. Non-Federal: This dataset is covered by different Terms of Use than Data.gov. License: No license information was provided.

    Downloads & Resources

    Dates

    Metadata Created Date August 7, 2021
    Metadata Updated Date January 25, 2026

    Metadata Source

    Harvested from cookcountyil json

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date August 7, 2021
    Metadata Updated Date January 25, 2026
    Publisher datacatalog.cookcountyil.gov
    Maintainer
    Identifier https://datacatalog.cookcountyil.gov/api/views/tnes-dgyi
    Data First Published 2021-02-03
    Data Last Modified 2026-01-20
    Category Property & Taxation
    Public Access Level public
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://datacatalog.cookcountyil.gov/data.json
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id 2f17f28d-f583-403a-8034-7e11ba46507f
    Harvest Source Id d52781fd-51ef-4061-9cd2-535a0afb663b
    Harvest Source Title cookcountyil json
    Homepage URL https://datacatalog.cookcountyil.gov/d/tnes-dgyi
    Source Datajson Identifier True
    Source Hash 8cabf1a582eacc0518a9e16d01b9d2dc991a8667521ba51fc2a5e7fef028f725
    Source Schema Version 1.1

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