{"nrhp_refnum":"84000764","name":"Utica Mansion","other_names":["Charles D. Lane Mansion"],"category":"building","location":{"address":"1103 Bush St.","address_restricted":false,"city":"Angels Camp","county":"Calaveras County","state":"CA","lat":38.07092849700007,"lon":-120.54325113599998,"geom_source":"nps_gis"},"listed_date":"1984-05-31","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Industry","Architecture"],"significance_levels":["local"],"summary":{"what_it_is":"A two-story stone house with later frame wings and a surrounding veranda, at 1103 Bush Street in Angels Camp, Calaveras County, California. Robert Leeper built it in 1882, and Charles D. Lane enlarged it in the early to mid-1890s.","why_significant":"The nomination argues it is one of the most significant buildings in the gold rush town because of its link to the Leeper and Lane mining families and to the Utica Mine, the town's largest and most important mine. It is the only house in town called a \"mansion\" and one of only two stone houses in Angels Camp. The 1890s remodeling survives largely intact and reflects the era when mines and mills controlled the Foothills economy.","narrative":"Built in 1882 by mine owner Robert Leeper on the Utica millsite in Angels Camp, this house began as a two-story rectangular stone building in a plain Federal style, with a hip roof and a front portico. Charles D. Lane bought it in 1888 and, in the early 1890s, roughly doubled its size with frame wings to the north and west and a veranda around the east and south sides. The interior was redone in the latest fashion: oak faux-bois painted woodwork, English tiled fireplaces, gilt picture moldings, new wallpapers and a ballroom. Much of this survives, including original lighting fixtures and Lane family portraits. The house is tied to the Utica Mine, the largest in Angels Camp, which employed about 500 people at its peak. It served as a center of community social events and later housed mine superintendents and managers. Only minor 1950s changes to the lower floor altered its 1890s appearance.","period_of_significance":"1800-1899 (specific date 1882); the form also checks 1900-","architect_builder":null,"architectural_style":"Simple Federal style (original 1882 stone house), later enlarged with frame wings in the 1890s","criteria":[],"status_note":"Described as in good condition, altered, and on its original site; 1950s alterations are described as mostly reversible, and the nomination says restoration is planned.","vacant_flag":false,"machine_generated":true,"model":"claude-sonnet-5-5","prompt_version":"v1.0-2026-10-29","generated_at":"2026-10-29 02:54:27.956577-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/lz/electronic-records/rg-079/NPS_CA/84000764.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/84000764/2c77e24ebe-800.webp","url_1600":"https://nationalhistoricalregister.com/media/84000764/2c77e24ebe-1600.webp","licence":"CC BY 3.0","author":"Jeffrey Beall","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Utica_Mansion.JPG\" rel=\"noopener\">Jeffrey Beall</a>, <a href=\"https://creativecommons.org/licenses/by/3.0\" rel=\"license noopener\">CC BY 3.0</a>, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Utica_Mansion.JPG"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/123858490","wikipedia":"https://en.wikipedia.org/wiki/Utica_Mansion","wikidata":"https://www.wikidata.org/wiki/Q14684231"},"indexable":true,"url":"https://nationalhistoricalregister.com/california/calaveras-county/utica-mansion-84000764/"}