{"nrhp_refnum":"75000481","name":"Hayes Mansion","other_names":[],"category":"building","location":{"address":"200 Edenvale Ave.","address_restricted":false,"city":"San Jose","county":"Santa Clara County","state":"CA","lat":37.26251633800007,"lon":-121.82077182999996,"geom_source":"nps_gis"},"listed_date":"1975-08-01","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Politics/Government","Architecture"],"significance_levels":["local"],"summary":{"what_it_is":"A 62-room mansion at 200 Edenvale Avenue in San Jose, Santa Clara County, California, erected in 1904 for the Hayes family on a former 240-acre estate. George W. Page is named as architect.","why_significant":"The nomination argues the mansion is associated with the Hayes family, who were significant in local, state and national history. Everis A. Hayes served seven terms in Congress and helped draft the Farm Loan Act. His brother Jay Orley Hayes helped organize the fruit industry, and the brothers owned San Jose's major newspapers. Mrs. Hayes-Chynoweth founded the True Life Church on the estate.","narrative":"Hayes Mansion is a 62-room house at 200 Edenvale Avenue in San Jose, built in 1904 to a design by George W. Page. It is laid out in the form of a Maltese Cross, with an 18-foot-wide solarium connecting the wings and a loggia joining east and west. Walls are two feet thick, of brick, steel lathing and stucco on a concrete and steel foundation. Italian Renaissance ornament frames the windows and doors. The house once sat on a self-sustaining 240-acre estate with orchards, vineyards, a power plant and a chapel, landscaped by M. Ulrich. Its significance rests on the Hayes family. Everis A. Hayes served in Congress from 1904, worked on the Federal Reserve Act and the Farm Loan Act. Jay Orley Hayes helped organize the regional fruit industry. The brothers also owned San Jose's major newspapers, and Mrs. Hayes-Chynoweth founded the True Life Church on the grounds. Fire, water damage and vandalism affected the interior, but the structure remains sound.","period_of_significance":"1900-","architect_builder":"George W. Page (architect); M. Ulrich (landscape design)","architectural_style":"Mediterranean Villa style with Italian Renaissance ornamentation; also described as Spanish Colonial Revival","criteria":[],"status_note":"Condition listed as good; the form states the mansion remains in excellent structural condition despite fire, water damage and vandalism. The form checks both unoccupied and private residence use.","vacant_flag":null,"machine_generated":true,"model":"claude-sonnet-5-5","prompt_version":"v1.0-2026-10-29","generated_at":"2026-10-29 02:55:32.105912-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/lz/electronic-records/rg-079/NPS_CA/75000481.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/75000481/62e60c5f58-800.webp","url_1600":"https://nationalhistoricalregister.com/media/75000481/62e60c5f58-1600.webp","licence":"CC BY 2.0","author":"Don DeBold from San Jose, CA, USA","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Hayes_Mansion_(4514704582).jpg\" rel=\"noopener\">Don DeBold from San Jose, CA, USA</a>, <a href=\"https://creativecommons.org/licenses/by/2.0\" rel=\"license noopener\">CC BY 2.0</a>, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Hayes_Mansion_(4514704582).jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/123861695","wikipedia":"https://en.wikipedia.org/wiki/Hayes_Mansion","wikidata":"https://www.wikidata.org/wiki/Q5686616"},"indexable":true,"url":"https://nationalhistoricalregister.com/california/santa-clara-county/hayes-mansion-75000481/"}