{"nrhp_refnum":"16000381","name":"X-100","other_names":[],"category":"building","location":{"address":"1586 Lexington Ave.","address_restricted":false,"city":"San Mateo","county":"San Mateo County","state":"CA","lat":37.524984000000075,"lon":-122.35341999999997,"geom_source":"nps_gis"},"listed_date":"2016-06-20","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Architecture"],"significance_levels":["local"],"summary":null,"photo":{"url_800":"https://nationalhistoricalregister.com/media/16000381/d81aea58ec-800.webp","url_1600":"https://nationalhistoricalregister.com/media/16000381/d81aea58ec-1600.webp","licence":"CC BY-SA 4.0","author":"Yngvadottir","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:X-100_house.jpg\" rel=\"noopener\">Yngvadottir</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:X-100_house.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":null,"wikipedia":"https://en.wikipedia.org/wiki/X-100_(house)","wikidata":"https://www.wikidata.org/wiki/Q55886169"},"indexable":true,"url":"https://nationalhistoricalregister.com/california/san-mateo-county/x-100-16000381/"}