Assessor - Parcel Sales
type: Dataset
description: Parcel sales for real property in Cook County, from 1999 to present. The Assessor's Office uses this data in its modeling to estimate the fair market value of unsold properties. When working with Parcel Index Numbers (PINs) make sure to zero-pad them to 14 digits. Some datasets may lose leading zeros for PINs when downloaded. Sale document numbers correspond to those of the Cook County Clerk, and can be used on the Clerk's website to find more information about each sale. NOTE: These sales are unfiltered and include non-arms-length transactions. While the Data Department will upload what it has access to monthly, sales are reported on a lag, with many records not populating until months after their official recording date. Current property class codes, their levels of assessment, and descriptions can be found on the Assessor's website. Note that class codes details can change across time. Read about the Assessor's 2022 Open Data Refresh.
keyword: amerigeo
keyword: amerigeoss
keyword: ckan
keyword: cook-county-assessor
keyword: geo
keyword: geoss
keyword: national
keyword: north-america
keyword: property-tax
keyword: united-states
issued: 2022-05-31
modified: 2022-07-01
theme: {"Property & Taxation"}
contact point: Organization
  fn: Cook County Assessor's Office Data Department

US Migrating
type: Agent

Comma Separated Values File
type: Distribution
media type: text/csv
format: CSV
access URL: https://datacatalog.cookcountyil.gov/api/views/wvhk-k5uv/rows.csv
issued: 2022-05-26T02:14:34.676244
modified: 2025-11-21T12:22:00.414702

RDF File
type: Distribution
media type: application/rdf+xml
format: RDF
access URL: https://datacatalog.cookcountyil.gov/api/views/wvhk-k5uv/rows.rdf
issued: 2022-05-26T02:14:34.676255
modified: 2025-11-21T12:22:00.415104

JSON File
type: Distribution
media type: application/json
format: JSON
access URL: https://datacatalog.cookcountyil.gov/api/views/wvhk-k5uv/rows.json
issued: 2022-05-26T02:14:34.676261
modified: 2025-11-21T12:22:00.415483

XML File
type: Distribution
media type: application/xml
format: XML
access URL: https://datacatalog.cookcountyil.gov/api/views/wvhk-k5uv/rows.xml
issued: 2022-05-26T02:14:34.676266
modified: 2025-11-21T12:22:00.415857