{"nrhp_refnum":"78000784","name":"Villa Montalvo","other_names":["Montalvo Center for the Arts"],"category":"building","location":{"address":"14800 Montalvo Rd.","address_restricted":false,"city":"Saratoga","county":"Santa Clara County","state":"CA","lat":37.243813929000055,"lon":-122.033556938815,"geom_source":"nps_gis"},"listed_date":"1978-05-01","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Landscape Architecture","Politics/Government","Architecture","Social History"],"significance_levels":["state"],"summary":{"what_it_is":"Villa Montalvo is a 177-acre estate with an Italian-style villa, formal gardens and accessory buildings at 14800 Montalvo Road, Saratoga, California, built 1912-1914 for James D. Phelan to designs by William Curlett and Charles Gottschalk of San Francisco.","why_significant":"The nomination calls it one of the few remaining grand houses of early 20th-century California, with buildings and grounds integrated in a single design that fits the surrounding landscape. It is also tied to Senator James D. Phelan, a San Francisco mayor, philanthropist and patron of the arts, who hosted writers, diplomats and other notable guests.","narrative":"Villa Montalvo is a 177-acre country estate in the foothills above Saratoga, California. Built in 1912-1914 for James D. Phelan, a former mayor of San Francisco, it was designed by William Curlett and Charles Gottschalk as an Italian-style villa for large-scale entertaining. The U-shaped stucco house opens onto terraces and courtyards, and a 2,000-foot garden axis ends in classical temples. An amphitheatre seats 500, and other structures include an octagonal carriage house, now a theatre, a guest house and a thatched sculpture studio. John McLaren planned the grounds. Phelan hosted diplomats during the 1915 Panama-Pacific Exposition and writers such as Jack London and Gertrude Atherton. The property is described as largely intact, with only minor alterations made for public use. Phelan's will directed that it be kept as a public park supporting the arts, and it now holds galleries, music programs, classes and an arboretum.","period_of_significance":"1912-1914","architect_builder":"Wm. Curlett; Charles Gottschall","architectural_style":"Italian style villa (reviewer notes: Renaissance Revival style popular at the beginning of the 20th century)","criteria":[],"status_note":"Occupied and in excellent condition; used as a cultural center with art galleries, theatre and music programs, and maintained as an arboretum open to the public.","vacant_flag":false,"machine_generated":true,"model":"claude-sonnet-5-5","prompt_version":"v1.0-2026-10-29","generated_at":"2026-10-29 02:55:31.249048-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/lz/electronic-records/rg-079/NPS_CA/78000784.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/78000784/49ec8d9a01-800.webp","url_1600":"https://nationalhistoricalregister.com/media/78000784/49ec8d9a01-1600.webp","licence":"CC BY-SA 3.0","author":"Frecklefoot","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:VillaMontalvoMansion.jpg\" rel=\"noopener\">Frecklefoot</a>, <a href=\"http://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:VillaMontalvoMansion.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/123861816","wikipedia":"https://en.wikipedia.org/wiki/Montalvo_Arts_Center","wikidata":"https://www.wikidata.org/wiki/Q7930443"},"indexable":true,"url":"https://nationalhistoricalregister.com/california/santa-clara-county/villa-montalvo-78000784/"}