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

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.

Data and Resources

Field Value
accessLevel public
catalog_@context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
catalog_@id https://datacatalog.cookcountyil.gov/data.json
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
catalog_describedBy https://project-open-data.cio.gov/v1.1/schema/catalog.json
identifier https://datacatalog.cookcountyil.gov/api/views/tnes-dgyi
issued 2021-02-03
landingPage https://datacatalog.cookcountyil.gov/d/tnes-dgyi
modified 2022-05-11
publisher datacatalog.cookcountyil.gov
resource-type Dataset
source_datajson_identifier true
source_hash 7b3129e021b5d48aa2198e2ffb16d8d1777533b0
source_schema_version 1.1
theme {"Finance & Administration"}
Groups
  • AmeriGEOSS
  • National Provider
  • North America
Tags
  • amerigeo
  • amerigeoss
  • archive
  • ckan
  • cook-county-assessor
  • geo
  • geoss
  • national
  • north-america
  • property-tax
  • united-states
isopen False
license_id notspecified
license_title License not specified
maintainer Cook County Assessor's Office Data Department
maintainer_email no-reply@datacatalog.cookcountyil.gov
metadata_created 2025-11-20T23:07:26.495344
metadata_modified 2025-11-20T23:07:26.495348
notes 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.
num_resources 4
num_tags 11
title Assessor [Archived 05-11-2022] - Cook County Property Assessments