Found 30 datasets matching "cook county assessor".
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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...
Search relevance: 143.84 | Views last month: 0 | Published on: 2026-01-31 -
This is the data set of residential sales used by the Cook County Assessor in their Computer Assisted Mass Appraisal system used to assess residential property values. This data set contains...
Search relevance: 133.85 | Views last month: 0 | Published on: 2026-01-31 -
As of February 14, 2020 this dataset will be considered archived information and will no longer be updated. First-pass property values as assessed by the Cook County Assessor in their Computer...
Search relevance: 130.34 | Views last month: 0 | Published on: 2026-01-31 -
Real estate sales data used by the Cook County Assessor to estimate Fair Cash Values for the purpose of property taxation. Deeds that include multiple PIN numbers are excluded from this data. This...
Search relevance: 129.27 | Views last month: 0 | Published on: 2026-01-31 -
Assessment dataset used by the Cook County Assessor in their Computer Assisted Mass Appraisal (CAMA) system used to assess residential properties in Northern Triennial Townships. This dataset...
Search relevance: 123.06 | Views last month: 0 | Published on: 2026-01-31 -
In response to the 2020 COVID-19 pandemic and its anticipated effects on the residential real estate market, the Cook County Assessor will adjust residential assessments. This data can be used to...
Search relevance: 121.39 | Views last month: 0 | Published on: 2026-01-31 -
Neighborhood polygons used by the Cook County Assessor's Office for valuation and reporting. These neighborhoods are specific to the Assessor. They are intended to represent homogenous housing...
Search relevance: 121.02 | Views last month: 5 | Published on: 2026-01-31 -
A current-year-only universe of Cook County parcels with attached geographic, governmental, and spatial data. When working with Parcel Index Numbers (PINs) make sure to zero-pad them to 14...
Search relevance: 114.58 | Views last month: 1 | Published on: 2026-04-04 -
A complete, historic universe of Cook County parcels with attached geographic, governmental, and spatial data. When working with Parcel Index Numbers (PINs) make sure to zero-pad them to 14...
Search relevance: 114.42 | Views last month: 6 | Published on: 2026-04-04 -
Appeals for many years are currently missing from this dataset as we repopulate our system of record with updated records. We expect all missing appeals to be available again before the end of...
Search relevance: 113.30 | Views last month: 1 | Published on: 2026-04-04 -
Parcels with property tax-exempt status across all of Cook County per tax year, from Tax Year 2022 on, with geographic coordinates and addresses. Properties of religious, charitable, and...
Search relevance: 112.26 | Views last month: 2 | Published on: 2026-04-04 -
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...
Search relevance: 109.02 | Views last month: 6 | Published on: 2026-03-07 -
A complete, historic universe of Cook County parcels with attached geographic, governmental, and spatial data. When working with Parcel Index Numbers (PINs) make sure to zero-pad them to 14...
Search relevance: 105.15 | Views last month: 0 | Published on: 2026-01-31 -
Situs and mailing addresses of Cook County parcels. Used by the Assessor's office to mail assessment notices. As of 2017 owner mailing addresses in this dataset are no longer being regularly...
Search relevance: 104.40 | Views last month: 1 | Published on: 2026-04-04 -
This data set contains characteristic data points used by the Cook County Assessor in the 2021 Chicago reassessment to produce initial estimates of the current market value of most Chicago homes...
Search relevance: 103.66 | Views last month: 0 | Published on: 2026-01-31 -
Land, building, and total assessed values for all Cook County parcels, from 1999 to present. The Assessor's Office uses these values for reporting, evaluating assessment performance over time, and...
Search relevance: 97.16 | Views last month: 4 | Published on: 2026-04-04 -
Commercial valuation data collected and maintained by the Cook County Assessor's Office, from 2021 to present. The office uses this data primarily for valuation and reporting. This dataset...
Search relevance: 90.36 | Views last month: 10 | Published on: 2026-01-31 -
Residential condominium unit characteristics collected and maintained by the Assessor's office for all of Cook County, from 1999 to present. The office uses this data primarily for valuation,...
Search relevance: 84.97 | Views last month: 1 | Published on: 2026-04-04 -
Single and multi-family (less than 7 units) property characteristics collected and maintained by the Assessor's Office for all of Cook County, from 1999 to present. The office uses this data...
Search relevance: 83.30 | Views last month: 2 | Published on: 2026-04-04 -
A data set showing algorithmically determined sales comparables for single family properties in Lake Township
Search relevance: 51.37 | Views last month: 0 | Published on: 2026-01-31
