City of PhiladelphiaView metadata for key information about this dataset. Blighted areas are defined as meeting one of seven city mandated criteria, including unsafe, unsanitary and inadequate conditions; economically or socially undesirable land use; and faulty street and lot layout. For questions about this dataset, contact darshna.patel@phila.gov . For technical assistance, email maps@phila.gov .ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/80f2c71305f5493c8e0aab9137354844_0engPHLmapsPublicRedevelopment Certified Areas [Pennsylvania--Philadelphia]Web servicesPennsylvania--PhiladelphiaPennsylvaniaLast Modified: 2020-11-12