{"nrhp_refnum":"03001123","name":"Ehrenhardt, Jacob Jr., House","other_names":["1803 House"],"category":"building","location":{"address":"55 S. Keystone Ave.","address_restricted":false,"city":"Emmanus","county":"Lehigh County","state":"PA","lat":40.53994145000007,"lon":-75.48613003299994,"geom_source":"nps_gis"},"listed_date":"2003-11-07","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Architecture"],"significance_levels":["local"],"summary":{"what_it_is":"A half-story Federal style side-hall plan farmhouse with a stone kitchen wing, located on the outskirts of the Moravian community of Emmaus in Lehigh County, Pennsylvania. It was built in 1803 by Jacob Ehrenhardt Jr.","why_significant":"The nomination argues the house is a locally significant example of Federal style farmhouse design, unusual in a village otherwise built of log, frame and traditional stone. Its pedimented entrance, fanlight transom, Doric-order fireplace surrounds and interior woodwork are presented as representative of the transition from Germanic building traditions to mainstream American classical design.","narrative":"Built in 1803 as a farmhouse on the southeast edge of Emmaus, this half-story pointed fieldstone house has a side-hall plan, a slate roof and a stone kitchen wing projecting from the south. Its north entrance has a pedimented doorway with a fanlight transom, and the interior retains a main stair with turned balusters, carved mantels, and molded chair rails and baseboards. The house is regarded as a well-preserved example of Federal style design in a village where most early houses were log, frame or traditional stone. Its formal details reflect the shift from Germanic building practice to classical styling in the early nineteenth century. After Jacob Ehrenhardt Jr.'s death in 1825, the property was sold, and it was later converted to two family units in the 1950s. Restoration work in 1982-83 reconstructed the lost entrance and roof, and the house is now used for community education.","period_of_significance":"1803","architect_builder":null,"architectural_style":"EARLY REPUBLIC / Federal","criteria":["C"],"status_note":"Restored in 1982-83 after being abandoned for over a decade; donated to the Borough of Emmaus and serves as a community resource.","vacant_flag":false,"machine_generated":true,"model":"claude-haiku-5-5","prompt_version":"v1.1-2026-10-29","generated_at":"2026-10-29 17:11:37.377189-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/lz/electronic-records/rg-079/NPS_PA/03001123.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/03001123/a8d3d712fb-800.webp","url_1600":"https://nationalhistoricalregister.com/media/03001123/a8d3d712fb-1600.webp","licence":"CC0","author":"Smallbones","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Erenhardt_House_1803_Emmaus_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:Erenhardt_House_1803_Emmaus_PA.JPG"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":null,"wikipedia":"https://en.wikipedia.org/wiki/The_1803_House","wikidata":"https://www.wikidata.org/wiki/Q6118818"},"indexable":true,"url":"https://nationalhistoricalregister.com/pennsylvania/lehigh-county/ehrenhardt-jacob-jr-house-03001123/"}