{"nrhp_refnum":"79002256","name":"Lancaster Historic District","other_names":["See Also:Lancaster Historic District (Boundary Increase)","Lan"],"category":"district","location":{"address":"Roughly bounded by Howard Ave., Queen, Church, Duke, Chestnut and Plum Sts.","address_restricted":false,"city":"Lancaster","county":"Lancaster County","state":"PA","lat":40.037226550500066,"lon":-76.30160737891714,"geom_source":"nps_gis"},"listed_date":"1979-11-15","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Commerce","Politics/Government","Architecture","Religion"],"significance_levels":["state"],"summary":{"what_it_is":"A historic district in central Lancaster, Lancaster County, Pennsylvania, made up largely of brick row houses, townhouses and some 18th-century log, stone and brick houses. The district includes Adamstown, the area laid out around Church Street and Howard Avenue, along with a number of public and commercial buildings.","why_significant":"The nomination argues that the district contains some of the oldest sections of Lancaster, which was described as Colonial America's largest inland city, and that its buildings show the town's development as a prosperous trading and agricultural center. It cites surviving 18th-century houses, a range of 19th-century townhouses and Victorian commercial buildings, and associations with notable historical figures, including the Treaty of Lancaster and the brief sitting of Continental Congress in 1777.","narrative":"Lancaster Historic District covers the oldest parts of central Lancaster, including the Adamstown area around Church Street and Howard Avenue. The town was laid out in the 1730s, and James Hamilton sold building lots from 1742 on, requiring each owner to erect a brick or stone dwelling of at least 16 feet square. The district contains a few surviving 18th-century houses of log, stone and brick, along with Georgian brick houses from the same period. Most of its buildings date from the mid-to-late 19th century and include brick row houses from about 1880 and townhouses with Classic Revival entrances, arched alley passages and corbelled cornices. Its significance rests on the surviving 18th-century fabric and the 19th-century townhouses that reflect Lancaster's growth as a trading, industrial and agricultural center. Notable associations include the Treaty of Lancaster in 1744 and the one-day session of Continental Congress in 1777.","period_of_significance":"1600-1899","architect_builder":null,"architectural_style":"Victorian; Georgian; Classic Revival; Italianate; Federal; Greek Revival","criteria":["A","C"],"status_note":"Several buildings along Howard Avenue are described as deteriorating, and some commercial structures on King and Orange Streets are noted as lacking tenants.","vacant_flag":null,"machine_generated":true,"model":"claude-haiku-5-5","prompt_version":"v1.1-2026-10-29","generated_at":"2026-10-29 17:11:30.584404-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/lz/electronic-records/rg-079/NPS_PA/79002256.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/79002256/5638832424-800.webp","url_1600":"https://nationalhistoricalregister.com/media/79002256/5638832424-1600.webp","licence":"CC0","author":"Smallbones","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Demuth_Shop_Lancaster_PA.jpg\" rel=\"noopener\">Smallbones</a>, <a href=\"http://creativecommons.org/publicdomain/zero/1.0/deed.en\" rel=\"license noopener\">CC0</a>, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Demuth_Shop_Lancaster_PA.jpg"},"district":{"nrhp_refnum":"01000956","name":"Lancaster City Historic District","url":"https://nationalhistoricalregister.com/districts/pennsylvania/lancaster-city-historic-district-01000956/"},"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/71996083","wikipedia":"https://en.wikipedia.org/wiki/Lancaster_Historic_District_(Lancaster,_Pennsylvania)","wikidata":"https://www.wikidata.org/wiki/Q6483194"},"indexable":true,"url":"https://nationalhistoricalregister.com/pennsylvania/lancaster-county/lancaster-historic-district-79002256/"}