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Assessor - Parcel Universe
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-... -
Maryland Real Property Assessments: Hidden Property Owner Names
Please read all metadata before accessing the dataset. Note that records shown here are updated at different frequencies from data in products from MDP and SDAT. Please see the... -
Assessor [Archived 05-11-2022] - Experimental Single Family Sales Comparables
A data set showing algorithmically determined sales comparables for single family properties in Lake Township -
Assessor [Archived 05-11-2022] - Residential COVID Adjustment Replication Data
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... -
Property Tax - Allocations
2002-03 to 2021-22 Property Taxes Annual Report - Allocations, for the finance application. -
Asotin County Primary Election Results, August 7, 2018
This dataset includes election results by precinct for candidates and issues in the Asotin County August 7, 2018 primary election. -
Asotin County General Election Results, November 7, 2017
This dataset includes election results by precinct for candidates and issues in the Asotin County November 7, 2017 General Election. -
Asotin County Special Election Results, February 12, 2019
This dataset includes election results for the City of Asotin Emergency Medical Services and Ambulance Service Property Tax Levy, February 12, 2019. -
Assessor - Parcel Sales
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.... -
Assessor - Neighborhood Boundaries
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... -
Assessor [Archived 05-11-2022] - Residential Modeling Characteristics (Chicago)
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... -
Assessor [Archived 05-18-2022] - Assessment Appeals by Town and Class - 2010
Assessment Appeals by Town and Class from Tax Year 2010. -
Assessor Historical Secured Property Tax Rolls
Note: Due to the large file size the Shapefile export option does not work. To access geospatial data please select GeoJSON from the export menu This data set includes the... -
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... -
2021 Property Tax Roll
This dataset contains property tax information for the calendar year 2020. Taxes are calculated from property values, and billed in Fiscal Year 2021, which runs from July 1,... -
Property Tax - Levies
2002-03 to 2021-22 Property Taxes Annual Report - Levies, for the finance application. -
Assessor - Permits
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 14 digits.... -
2025 Property Tax Roll
This dataset contains property tax information for the calendar year 2024. Taxes are calculated from property values, and billed in Fiscal Year 2025, which runs from July 1,... -
Collin CAD Agent Prop List
Most current tax agent/rep property list -
Collin CAD Appraisal Data - 2021
2021 Certified Appraisal Data with supplemental updates