{"nrhp_refnum":"09001117","name":"Armour & Co. Building","other_names":["1050 Battery St."],"category":"building","location":{"address":"1050 Battery St.","address_restricted":false,"city":"San Francisco","county":"San Francisco","state":"CA","lat":37.80128689500003,"lon":-122.40110177399998,"geom_source":"nps_gis"},"listed_date":"2009-12-22","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Commerce","Architecture"],"significance_levels":["local"],"summary":{"what_it_is":"A three-story-over-basement brick meat packing plant and smokehouse at 1050 Battery Street, at Battery and Union Streets in San Francisco's northeast waterfront, built in 1907 and designed by Henry Geilfuss & Son.","why_significant":"The nomination argues it is significant under Criterion A as a rare surviving building from the period when Chicago meat packing giants, led by Armour & Co., gained dominance over San Francisco's meat industry after the 1906 earthquake and the Meat Inspection and Pure Food and Drug Acts. Under Criterion C it is a late work of the locally prominent architects Henry Geilfuss & Son, apparently their only surviving industrial building, and an example of early twentieth-century warehouse architecture.","narrative":"Built in 1907 at the corner of Battery and Union Streets in San Francisco, this load-bearing brick building served as a meat packing plant and smokehouse for Armour & Co., the Chicago firm that was then the nation's most powerful meat packer. It replaced an earlier warehouse on the site that was destroyed in the 1906 earthquake and fires. Architects Henry Geilfuss & Son, better known for Victorian houses, designed it with a rusticated base, brick pilaster-like piers and a corbelled cornice. Inside, heavy timber framing and the brick smoking ovens survive. The building matters as one of the few remaining structures from the time when Chicago's packers overtook San Francisco's local meat industry, and as probably the only surviving industrial work by its architects. Armour & Co. left in 1934, and the building now houses offices. Its exterior remains largely unchanged apart from ground-floor alterations.","period_of_significance":"1907-1934","architect_builder":"Geilfuss, Henry & Son","architectural_style":"Late Victorian: Italianate","criteria":["A","C"],"status_note":"Current function is listed as commerce/trade, business and professional offices. The interior has been adapted for modern use and seismically upgraded, while the exterior retains a high level of integrity.","vacant_flag":false,"machine_generated":true,"model":"claude-sonnet-5-5","prompt_version":"v1.0-2026-10-29","generated_at":"2026-10-29 02:54:29.60071-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/lz/electronic-records/rg-079/NPS_CA/09001117.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/09001117/4b24b24b61-800.webp","url_1600":"https://nationalhistoricalregister.com/media/09001117/4b24b24b61-1600.webp","licence":"CC BY-SA 3.0","author":"Sanfranman59","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Armour_%26_Co_1050_Battery_St_San_Francisco_2-15-2010_4-16-38_PM.JPG\" rel=\"noopener\">Sanfranman59</a>, <a href=\"https://creativecommons.org/licenses/by-sa/3.0\" rel=\"license noopener\">CC BY-SA 3.0</a>, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Armour_%26_Co_1050_Battery_St_San_Francisco_2-15-2010_4-16-38_PM.JPG"},"district":{"nrhp_refnum":"06000372","name":"Port of San Francisco Embarcadero Historic District","url":"https://nationalhistoricalregister.com/districts/california/port-of-san-francisco-embarcadero-historic-district-06000372/"},"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/123861033","wikipedia":"https://en.wikipedia.org/wiki/Armour_%26_Co._Building","wikidata":"https://www.wikidata.org/wiki/Q38251705"},"indexable":true,"url":"https://nationalhistoricalregister.com/california/san-francisco/armour-and-co-building-09001117/"}