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

    Assessor - Parcel Proximity

    Metadata Updated: March 8, 2026

    Cook County 10-digit parcels with attached distances to various spatial features.

    When working with 10-digit Parcel Index Numbers (PINs) make sure to zero-pad them to 10 digits. Some datasets may lose leading zeros for PINs when downloaded. 10-digit PINs do not identify individual condominium units.

    Additional notes:

    • Centroids are based on Cook County parcel shapefiles.

    • Older properties may be missing coordinates and thus also missing attached spatial data (usually they are missing a parcel boundary in the shapefile).
    • Attached spatial data does NOT all go back to 2000. It is only available for more recent years, primarily those after 2012.
    • This dataset contains data for the current tax year, which may not yet be complete or final. Assessed values for any given year are subject to change until review and certification of values by the Cook County Board of Review, though there are a few rare circumstances where values may change for the current or past years after that.
    • Rowcount for a given year is final once the Assessor has certified the assessment roll all townships.
    • Data will be updated annually as new parcel shapefiles are made available.

    For more information on the sourcing of attached data and the preparation of this dataset, see the Assessor's Standard Operating Procedures for Open Data on GitHub.

    Read about the Assessor's 2025 Open Data Refresh.

    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 June 4, 2023
    Metadata Updated Date March 8, 2026

    Metadata Source

    Harvested from cookcountyil json

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date June 4, 2023
    Metadata Updated Date March 8, 2026
    Publisher datacatalog.cookcountyil.gov
    Maintainer
    Identifier https://datacatalog.cookcountyil.gov/api/views/ydue-e5u3
    Data First Published 2025-11-04
    Data Last Modified 2026-03-03
    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 5e6ce434-c307-4f68-934b-2d939c14b63f
    Harvest Source Id d52781fd-51ef-4061-9cd2-535a0afb663b
    Harvest Source Title cookcountyil json
    Homepage URL https://datacatalog.cookcountyil.gov/d/ydue-e5u3
    Source Datajson Identifier True
    Source Hash 8940923972ff6f814af35480d4aeb7f2e314559457829ffa8885eaf151b06a14
    Source Schema Version 1.1

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