26 datasets found
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County
Assessor - Commercial Valuation Data recent views
Cook County of Illinois —
This is a preliminary version of a new open data asset and will be updated later this year once the Assessor's Office has finished reassessing commercial properties,... -
County
Assessor [Archived 05-11-2022] - Residential Modeling Characteristics (Chicago) recent views
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 - Single and Multi-Family Improvement Characteristics recent views
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 [Archived 05-11-2022] - Residential Neighborhood Boundaries recent views
Cook County of Illinois —
Neighborhoods play an important role in residential property assessment. Single-family and residential multi-family property assessments are sensitive to neighborhood... -
County
Assessor - Assessed Values recent views
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 recent views
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 - Parcel Sales recent views
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] - Residential Sales Data recent views
Cook County of Illinois —
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... -
County
Assessor [Archived 05-11-2022] - Experimental Single Family Sales Comparables recent views
Cook County of Illinois —
A data set showing algorithmically determined sales comparables for single family properties in Lake Township -
County
Assessor [Archived 05-11-2022] - Sales recent views
Cook County of Illinois —
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... -
County
Assessor [Archived 05-18-2022] - Residential Assessments recent views
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 05-18-2022] - Homeowner Exemptions, by Town Number/Township - 2010 recent views
Cook County of Illinois —
Homeowner Exceptions by Town Number/Township in Tax Year 2010. -
County
Assessor [Archived 05-11-2022] - First Pass Values recent views
Cook County of Illinois —
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... -
County
Assessor [Archived 05-11-2022] - Residential COVID Adjustment Replication Data recent views
Cook County of Illinois —
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... -
County
Assessor [Archived 05-11-2022] - Residential Exemption Amounts recent views
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 05-18-2022] - Assessment Appeals by Town and Class - 2010 recent views
Cook County of Illinois —
Assessment Appeals by Town and Class from Tax Year 2010. -
County
Assessor [Archived 05-11-2022] - Property Locations recent views
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 [Archived 05-11-2022] - Cook County Property Assessments recent views
Cook County of Illinois —
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... -
County
Assessor - Appeals recent views
Cook County of Illinois —
Land, building, and total assessed values, pre and post-appeal with the Cook County Assessor’s office, for all Cook County parcels, from 1999 to present. The... -
County
Assessor - Parcel Proximity recent views
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...
26 datasets found