{"nrhp_refnum":"02000774","name":"Heinz, H.J., Company","other_names":[],"category":"district","location":{"address":"Roughly bounded by Chestnut St., River Ave., S. Canal St., Progress St. and Heinz modern Manufacturing Facilities","address_restricted":false,"city":"Pittsburgh","county":"Allegheny County","state":"PA","lat":40.45643875050004,"lon":-79.99037645503427,"geom_source":"nps_gis"},"listed_date":"2002-07-10","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Architecture","Industry"],"significance_levels":["national"],"summary":{"what_it_is":"A complex of manufacturing and administrative buildings for the H.J. Heinz Company on the north bank of the Allegheny River in Pittsburgh, Allegheny County, Pennsylvania. The contributing buildings were constructed between 1907 and 1937, with the Administration Building designed by Albert Kahn in 1907.","why_significant":"The nomination argues the complex is significant for its association with the Heinz Company's growth as a food manufacturer and with founder H.J. Heinz, and for its Romanesque Revival and Beaux-arts architecture. It describes the early-20th-century buildings as the largest and most intact part of the historic plant, with the 1907 Administration Building notable as the first building on site designed by an outside architect.","narrative":"Nine contributing buildings from 1907 to 1937 form the historic core of the H.J. Heinz Company plant on the north bank of the Allegheny River in Pittsburgh. The earliest and most prominent is the five-story Administration Building of 1907, designed by Albert Kahn with a granite base, white terra cotta columns and a Beaux-arts north facade. The surrounding brick and stone buildings, including the Bean, Power, Shipping, Meat Products, Cereal, Reservoir and Service and Auditorium buildings, are in Romanesque Revival style and were linked by bridges over Heinz Street. The complex is regarded as significant for its role in the growth of the food company under founder H.J. Heinz, who died in 1919, and for its architecture. Modernization in the 1950s removed corner towers and parapet signs and replaced earlier factory buildings, but the early group retains its original scale and materials.","period_of_significance":"1907-1952","architect_builder":null,"architectural_style":"Romanesque Revival; Beaux-arts; Commercial; International","criteria":["A","B","C"],"status_note":"Plant operations continue at the site; the headquarters moved to downtown Pittsburgh; the document notes the 1950s modernization removed peaked corner towers and parapet signs.","vacant_flag":false,"machine_generated":true,"model":"claude-haiku-5-5","prompt_version":"v1.1-2026-10-29","generated_at":"2026-10-29 17:11:37.372061-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/lz/electronic-records/rg-079/NPS_PA/02000774.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/02000774/0b470f3583-800.webp","url_1600":"https://nationalhistoricalregister.com/media/02000774/0b470f3583-1600.webp","licence":"CC BY-SA 4.0","author":"Lee Paxton","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:HeinzCompanyPittsburghPA.jpg\" rel=\"noopener\">Lee Paxton</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:HeinzCompanyPittsburghPA.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":null,"wikipedia":"https://en.wikipedia.org/wiki/H._J._Heinz_Company_complex","wikidata":"https://www.wikidata.org/wiki/Q15223501"},"indexable":true,"url":"https://nationalhistoricalregister.com/pennsylvania/allegheny-county/heinz-h-j-company-02000774/"}