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County
2020 Census Redistricting Data Extracts (PL 94-171)
Allegheny County / City of Pittsburgh / Western PA Regional Data Center —
Chris Briem of the University of Pittsburgh Center for Social and Urban Research has been producing extracts from the Census Bureau's PL 94-171 redistricting file.... -
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... -
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Parcel_2007
Cook County of Illinois —
The Parcel 2007 feature contains tax parcel polygons for the 2007 property tax assessment at the County. This feature reflects tax parcel polygons as they existed... -
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Crime Reports
Loudoun County, Virginia —
The Sheriff's Office provides an online mapping and analysis service that combines the value of law enforcement data with the ease of use of Google-based mapping and... -
County
Allegheny County Block Areas
Allegheny County / City of Pittsburgh / Western PA Regional Data Center —
This dataset overlays a grid on the County to assist in locating a parcel. The grid squares are 3,500 by 4,500 square feet. The data was derived from original... -
County
Loudoun Tile Boundaries (Planar Index)
Loudoun County, Virginia —
More MetadataPlanar Index of Loudoun County is used primarily for locator reference and establishes the first 3 digits in the MCPI number for parcels. This... -
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LakeCountyParcels
Lake County, Illinois —
Download In State Plane Projection Here ** In addition to the Tax Parcel polygons feature class, the hyperlink download above also contains a parcel point data layer... -
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
Pittsburgh PLI/DOMI Violations Report
Allegheny County / City of Pittsburgh / Western PA Regional Data Center —
This dataset originally housed Department of Permits, Licenses, and Inspections violations (2015-2020), and has now been expanded to include violations logged by... -
County
Parcel_2003
Cook County of Illinois —
The Parcel 2003 feature contains tax parcel polygons for the 2003 property tax assessment at the County. This feature reflects tax parcel polygons as they existed... -
County
Original Land Grants of Loudoun County, VA
Loudoun County, Virginia —
This map provides the location of the original land grants within present day Loudoun County from the early 1700s to early 1800s. To view a list of sortable... -
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Housing Market Value Analysis - Urban Redevelopment Authority
Allegheny County / City of Pittsburgh / Western PA Regional Data Center —
In late 2016, the URA, in conjunction with Reinvestment Fund, completed the 2016 Market Value Analysis (MVA) for the City of Pittsburgh. The Market Value Analysis... -
County
Allegheny County Map Index Grid
Allegheny County / City of Pittsburgh / Western PA Regional Data Center —
Map Index Sheets from Block and Lot Grid of Property Assessment and based on aerial photography, showing 1983 datum with solid line and NAD 27 with 5 second grid... -
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
Housing Market Value Analysis 2021
Allegheny County / City of Pittsburgh / Western PA Regional Data Center —
In 2021, Allegheny County Economic Development (ACED), in partnership with Urban Redevelopment Authority of Pittsburgh(URA), completed the a Market Value Analysis... -
County
Pittsburgh Index Map
Allegheny County / City of Pittsburgh / Western PA Regional Data Center —
Allows users to download 200' Scale Lot and Block Maps -
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Lake County Partners
Lake County, Illinois —
The Lake County Partners map allows you to search for local businesses to patronize or work with. -
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Data for "The effects of the land use regulatory framework on stream ecosystems in unincorporated King County watersheds"
King County, Washington —
This dataset represents land cover mapping, physical habitat measurements, continuous hydrology measurements, salt tracer measurements, and benthic macroinvertebrate... -
County
Tax Parcels
Lake County, Illinois —
Download In State Plane Projection Here ** In addition to the Tax Parcel polygons feature class, the hyperlink download above also contains a parcel point data layer... -
County
Housing Market Value Analysis - Allegheny County Economic Development
Allegheny County / City of Pittsburgh / Western PA Regional Data Center —
In 2017, the County Department of Economic Development, in conjunction with Reinvestment Fund, completed the 2016 Market Value Analysis (MVA) for Allegheny County. A...