{"nrhp_refnum":"80003455","name":"Lapp Log House","other_names":["Hopper Log House"],"category":"building","location":{"address":"S of Chester Springs at Conestoga and Yellow Springs Rds., East Whiteland Township","address_restricted":false,"city":"Chester Springs","county":"Chester County","state":"PA","lat":40.05514321350006,"lon":-75.59342319482717,"geom_source":"nps_gis"},"listed_date":"1980-01-23","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Architecture"],"significance_levels":["local"],"summary":{"what_it_is":"The Lapp Log House is a two-story square log house with later additions and a stone Pennsylvania bank barn, located in Chester Springs, Chester County, Pennsylvania. The main log section is dated to about 1800 and is attributed to Jacob Lapp or John Norris.","why_significant":"The nomination argues that a substantial log house built around 1800 is unusual in an area of local stone construction and late settlement. It links the house to the Lapp family, members of the Swiss Amish congregation that built the only Amish church in the United States. It also describes the Switzer-type bank barn as a notable feature of Swiss immigrant farm building.","narrative":"Built about 1800 as a two-story, one-bay square log house with saddle-notched corners, chinking, and a massive stone chimney, the Lapp Log House is attributed to Jacob Lapp or John Norris. It sits in northeastern Chester County, where most houses of the period were built of local quarried stone, making a log dwelling of this size unusual. A frame addition, a later north wing, and a 1976 enclosure of a porch and patio extended the house over time. Beside it stands a stone Pennsylvania bank barn, also dating to about 1800, with a cantilevered forebay and a lower incline plane. The Lapp family, who were members of the Swiss Amish congregation that built the only Amish church in the United States, owned the house. The nomination treats the house and barn as a rare survival of German Swiss building and community work in an English and Welsh settled county.","period_of_significance":"c. 1800","architect_builder":"Jacob Lapp or John Norris","architectural_style":null,"criteria":[],"status_note":"Described as in good condition; the additions are described as in excellent condition.","vacant_flag":null,"machine_generated":true,"model":"claude-haiku-5-5","prompt_version":"v1.1-2026-10-29","generated_at":"2026-10-29 17:11:33.002807-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/lz/electronic-records/rg-079/NPS_PA/80003455.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/80003455/6cd16e3b5c-800.webp","url_1600":"https://nationalhistoricalregister.com/media/80003455/6cd16e3b5c-1600.webp","licence":"Public domain","author":"Smallbones","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Lapp_Log_Cabin.JPG\" rel=\"noopener\">Smallbones</a>, Public domain, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Lapp_Log_Cabin.JPG"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/71995039","wikipedia":"https://en.wikipedia.org/wiki/Lapp_Log_House","wikidata":"https://www.wikidata.org/wiki/Q6488326"},"indexable":true,"url":"https://nationalhistoricalregister.com/pennsylvania/chester-county/lapp-log-house-80003455/"}