{"nrhp_refnum":"13000516","name":"Case Study House No. 18","other_names":[],"category":"building","location":{"address":"199 Chautauqua Blvd.","address_restricted":false,"city":"Los Angeles","county":"Los Angeles County","state":"CA","lat":34.031823856000074,"lon":-118.51925082499997,"geom_source":"nps_gis"},"listed_date":"2013-07-24","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Architecture","Social History"],"significance_levels":["local"],"summary":null,"photo":null,"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":null,"wikipedia":null,"wikidata":null},"indexable":false,"url":"https://nationalhistoricalregister.com/california/los-angeles-county/case-study-house-no-18-13000516/"}