{"nrhp_refnum":"77000943","name":"Pierrepont Manor Complex","other_names":["William Constable Pierrepont House"],"category":"district","location":{"address":"N of Mannsville on Ellisburg St.","address_restricted":false,"city":"Mannsville","county":"Jefferson County","state":"NY","lat":43.734237050000075,"lon":-76.06090037885187,"geom_source":"nps_gis"},"listed_date":"1977-09-15","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Exploration/Settlement","Architecture"],"significance_levels":["local"],"summary":{"what_it_is":"A nine-acre district of five wood-frame buildings on Ellisburg Street, north of Mannsville, Jefferson County, New York. The buildings were built between 1822 and 1856 for William Constable Pierrepont: a manor house, carriage barn, land office, Zion Episcopal Church and a parish house.","why_significant":"The nomination argues the group is an important survival of a self-sufficient rural manorial enclave in the North Country frontier. From here Pierrepont directed settlement and economic development across southern Jefferson and northwestern Lewis Counties. The buildings are vernacular examples of Federal and later picturesque Gothic styles, reflecting function rather than distinguished design.","narrative":"Five wooden buildings along Ellisburg Street north of Mannsville make up this district, all built between 1822 and 1856 for William Constable Pierrepont. The manor house and carriage barn (1826) and the land office (1822) stand on the south side of the street, while Zion Episcopal Church (1836) and its board-and-batten parish hall (1856) face them on the north. Pierrepont arrived at age nineteen to manage his family's North Country lands, and from this base he directed settlement and development across southern Jefferson and northwestern Lewis Counties. He also served as town supervisor, assemblyman and president of the Watertown and Rome Railroad. The buildings are restrained examples of early Federal design, with later Gothic and Queen Anne touches on the church and parish hall. Together they show how an influential but isolated family lived and worked on the northern New York frontier, and they survive as a rare example of a manorial enclave in the region.","period_of_significance":"1822-1856","architect_builder":"Built for William Constable Pierrepont; no architect named","architectural_style":"Vernacular Federal, with Gothic and Queen Anne Revival elements in the church and parish house","criteria":[],"status_note":"Condition given as good to fair, with the manor house altered; the manor is a private residence, and the church and parish house remain in religious use.","vacant_flag":false,"machine_generated":true,"model":"claude-sonnet-5-5","prompt_version":"v1.0-2026-10-29","generated_at":"2026-10-29 02:50:39.012914-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/lz/electronic-records/rg-079/NPS_NY/77000943.pdf"},"photo":null,"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/75318266","wikipedia":"https://en.wikipedia.org/wiki/Pierrepont_Manor_Complex","wikidata":"https://www.wikidata.org/wiki/Q7192548"},"indexable":true,"url":"https://nationalhistoricalregister.com/new-york/jefferson-county/pierrepont-manor-complex-77000943/"}