{"nrhp_refnum":"77000987","name":"Hartford, John A., House","other_names":["Hartford Hall"],"category":"building","location":{"address":"SW of Valhalla on NY 100","address_restricted":false,"city":"Valhalla","county":"Westchester County","state":"NY","lat":41.06874261500005,"lon":-73.78983626953033,"geom_source":"nps_gis"},"listed_date":"1977-12-22","is_nhl":true,"nhl_designated_date":"1977-12-22","areas_of_significance":["Commerce"],"significance_levels":["national"],"summary":{"what_it_is":"A 2 1/2-story, 30-room Tudor style fieldstone mansion near Valhalla, Westchester County, New York, built by 1932 for John A. Hartford on a wooded, hilly tract that is now the Westchester Community College campus.","why_significant":"The house was the principal residence after 1932 of John A. Hartford, president of the Great Atlantic & Pacific Tea Company (A. & P.), who led its rapid expansion into the nation's largest retailer. The nomination argues that A. & P. symbolizes every major phase of American chain-store history. The remote, grand estate also reflects the Hartford family's strong desire for privacy and the economic success of the chain-store idea.","narrative":"Set atop a hill on the Westchester Community College campus near Valhalla, New York, this Tudor style mansion was built by 1932 for John A. Hartford, president of the Great Atlantic & Pacific Tea Company. The irregular, 2 1/2-story house has coursed brown fieldstone walls, a red tiled roof, five corbeled brick chimneys and about 30 rooms. Inside are oak, walnut and poplar paneling, embossed plaster ceilings, original brass chandeliers, fireplaces and a decorated oval conservatory. Hartford led A. & P. from 480 stores in 1912 to more than 15,700 by 1930, and the nomination presents the company as the best symbol of American chain-store history. The estate, remote from New York City, reflects the family's long-held taste for privacy. Hartford died in 1951, and the county bought the property in 1957. Used today as the college administration building, the house remains virtually unaltered and keeps its residential character, along with a surviving stone-and-glass greenhouse.","period_of_significance":"1930-51 (site); 1859-present (subject)","architect_builder":null,"architectural_style":"Tudor style","criteria":[],"status_note":"Virtually unaltered and in excellent condition; used as the college administration building (Hartford Hall) while retaining its residential character.","vacant_flag":false,"machine_generated":true,"model":"claude-sonnet-5-5","prompt_version":"v1.0-2026-10-29","generated_at":"2026-10-29 02:50:39.28959-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/lz/electronic-records/rg-079/NPS_NY/77000987_NHL.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/77000987/85bb82ac1c-800.webp","url_1600":"https://nationalhistoricalregister.com/media/77000987/85bb82ac1c-1600.webp","licence":"CC BY-SA 4.0","author":"Dmadeo","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Hartford-hall.jpg\" rel=\"noopener\">Dmadeo</a>, <a href=\"https://creativecommons.org/licenses/by-sa/4.0\" rel=\"license noopener\">CC BY-SA 4.0</a>, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Hartford-hall.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/75316122","wikipedia":"https://en.wikipedia.org/wiki/John_Hartford_House","wikidata":"https://www.wikidata.org/wiki/Q6238058"},"indexable":true,"url":"https://nationalhistoricalregister.com/new-york/westchester-county/hartford-john-a-house-77000987/"}