{"nrhp_refnum":"71000065","name":"Society Hill Historic District","other_names":["Washington Square East Redevelopment Area","See Also:71000723"],"category":"district","location":{"address":"Bounded on the N by Walnut St., on the S by Lombard St., on the E by pier line of Delaware River, and on the W by 8th","address_restricted":false,"city":"Philadelphia","county":"Philadelphia","state":"PA","lat":39.94503576850005,"lon":-75.14898596770996,"geom_source":"nps_gis"},"listed_date":"1971-06-23","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Architecture"],"significance_levels":["national"],"summary":{"what_it_is":"A historic district of about 150 acres in Philadelphia, Pennsylvania, covering the original and oldest part of the city as laid out in 1682, from the Delaware River west to Eighth Street and between Walnut and Lombard Streets.","why_significant":"The district holds over 575 certified eighteenth and nineteenth century commercial, residential and religious buildings, nearly all restored or rehabilitated through the Washington Square East Redevelopment Project. The form presents it as the first large-scale urban renewal project to plan for historic preservation. Its contribution to urban planning is the way new work was related to the old while preserving the neighborhood's ambience.","narrative":"Society Hill is the oldest part of Philadelphia, laid out in 1682 by surveyor Thomas Holme for William Penn. The name comes from the Free Society of Traders, which bought 20,000 acres from Penn. The district covers about 150 acres and contains more than 575 certified eighteenth and nineteenth century commercial, residential and religious buildings. Typical early houses are red brick in Flemish bond with wooden trim and marble or moulded brick belt courses. Landmarks include Head House and New Market, St. Peter's Church, Old St. Mary's, Mother Bethel A.M.E. Church, the Powel House and the Hill-Physick House. Nearly all buildings were restored or rehabilitated under the Washington Square East Redevelopment Project, the first large-scale urban renewal effort to plan for preservation. The project removed a wholesale produce market and added three apartment towers designed by I. M. Pei and many contemporary town houses. The district was recognized for how successfully new construction was related to the old.","period_of_significance":null,"architect_builder":"Robert Smith (St. Peter's Episcopal Church, 1763); John Haviland (St. George's Greek Orthodox Cathedral, 1822); Samuel Rhoads (Rhoads-Barclay House); I. M. Pei (apartment towers)","architectural_style":"Georgian and Federal","criteria":[],"status_note":"Most early houses have preserved period facades; many have contemporary interiors. Nearly all historic structures have been restored or rehabilitated. Some are open to the public.","vacant_flag":null,"machine_generated":true,"model":"claude-sonnet-5-5","prompt_version":"v1.0-2026-10-29","generated_at":"2026-10-29 02:59:02.914353-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/lz/electronic-records/rg-079/NPS_PA/71000065.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/71000065/dd45fad941-800.webp","url_1600":"https://nationalhistoricalregister.com/media/71000065/dd45fad941-1600.webp","licence":"Public domain","author":"Smallbones","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:HeadHouseSquare.JPG\" rel=\"noopener\">Smallbones</a>, Public domain, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:HeadHouseSquare.JPG"},"district":{"nrhp_refnum":"84003563","name":"Washington Square West Historic District","url":"https://nationalhistoricalregister.com/districts/pennsylvania/washington-square-west-historic-district-84003563/"},"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/71997168","wikipedia":null,"wikidata":"https://www.wikidata.org/wiki/Q111990230"},"indexable":true,"url":"https://nationalhistoricalregister.com/pennsylvania/philadelphia/society-hill-historic-district-71000065/"}