30 datasets found
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County
Assessor - Commercial Valuation Data
Cook County of Illinois —
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... -
County
Assessor - Parcel Universe (Current Year Only)
Cook County of Illinois —
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... -
County
Assessor - Parcel Proximity
Cook County of Illinois —
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... -
County
Assessor - Assessed Values
Cook County of Illinois —
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... -
County
Assessor - Parcel Universe
Cook County of Illinois —
A complete, historic universe of Cook County parcels with attached geographic, governmental, and spatial data. When working with Parcel Index Numbers (PINs) make sure... -
County
Assessor - Residential Condominium Unit Characteristics
Cook County of Illinois —
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... -
County
Assessor - Permits
Cook County of Illinois —
Historical permit data submitted by municipalities to the Cook County Assessor's Office. When working with Parcel Index Numbers (PINs) make sure to zero-pad them to... -
County
Assessor - Parcel Sales
Cook County of Illinois —
Update 10/31/2023: Sales are no longer filtered out of this data set based on deed type, sale price, or recency of sale for a given PIN with the same price. If users... -
County
Assessor [Archived 05-11-2022] - Property Locations
Cook County of Illinois —
This data set includes property locations and attached spatial data for all Cook County parcels. Spatial matching was based on parcel centroids. Older properties may... -
County
Assessor - Single and Multi-Family Improvement Characteristics
Cook County of Illinois —
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.... -
County
Assessor - Property Tax-Exempt Parcels
Cook County of Illinois —
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... -
County
Assessor - Parcel Addresses
Cook County of Illinois —
Situs and mailing addresses of Cook County parcels. Used by the Assessor's office to mail assessment notices. As of 2017 mailing addresses in this dataset are no... -
County
Assessor - Appeals
Cook County of Illinois —
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... -
County
Assessor [Archived 05-18-2022] - Residential Assessments
Cook County of Illinois —
This data contains every residential Property Index Number (PIN) and corresponding Assessed Values from significant stages in the assessment process. This data was... -
County
Assessor [Archived 05-11-2022] - Residential Exemption Amounts
Cook County of Illinois —
This data displays total exempt EAV and total exemptions by tax code. Since residential exemptions reveal sensitive information about individual taxpayers and... -
County
Assessor [Archived 05-11-2022] - Residential Property Characteristics
Cook County of Illinois —
Assessment dataset used by the Cook County Assessor in their Computer Assisted Mass Appraisal (CAMA) system used to assess residential properties in Northern... -
County
Assessor [Archived 05-11-2022] - Residential Modeling Characteristics (Chicago)
Cook County of Illinois —
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... -
County
Assessor [Archived 05-31-2023] - Parcel Universe
Cook County of Illinois —
A complete, historic universe of Cook County parcels with attached geographic, governmental, and spatial data. When working with Parcel Index Numbers (PINs) make sure... -
County
Assessor - Neighborhood Boundaries
Cook County of Illinois —
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... -
County
Assessor - 2023 Open Data Refresh
Cook County of Illinois —
A brief outline of the changes users can expect from the Assessor's open data offerings.
30 datasets found