Allegheny CountyThis dataset contains boundaries of individual parcels in Allegheny County, including the county block and lot number. As this is a very large dataset, you may wish to use our property information extractor (http://tools.wprdc.org/parcels-n-at/) to download filtered versions of this parcel dataset. The most authoritative source for this data is now the PASDA page (https://www.pasda.psu.edu/uci/DataSummary.aspx?dataset=1214), which includes links to historical versions of the shapefile representations of this data.allegheny-county-parcel-boundaries1engWestern Pennsylvania Regional Data Center Open DataPublicGeographyHousing & PropertiesAllegheny County Parcel BoundariesDatasetsPennsylvania--Allegheny CountyPennsylvaniaLast Modified: 2026-03-23