{"nrhp_refnum":"77000340","name":"San Mateo County Courthouse","other_names":[],"category":"building","location":{"address":"Broadway","address_restricted":false,"city":"Redwood City","county":"San Mateo County","state":"CA","lat":37.48716948900005,"lon":-122.22942728199996,"geom_source":"nps_gis"},"listed_date":"1977-12-13","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Politics/Government","Architecture"],"significance_levels":["local"],"summary":{"what_it_is":"The San Mateo County Courthouse is a government building on a city block bounded by Broadway, Middlefield Road, Marshall Street and Hamilton Avenue in Redwood City, California. The present building was constructed 1907-1910 after an earlier courthouse was damaged in the 1906 earthquake.","why_significant":"The nomination calls the 1910 courthouse a rare Bay Area example of the Roman-Renaissance style. It cites unusual craftsmanship in stone carving, scagliola, ironwork and mosaics, and stained glass skylights described as unequalled on the San Francisco Peninsula. The interior is largely unaltered, and the dome still dominates the Redwood City skyline despite later additions.","narrative":"Rising above downtown Redwood City, the San Mateo County Courthouse was built between 1907 and 1910 to replace an earlier courthouse, designed by George A. Dodge, that was damaged by the April 1906 earthquake just before it was to be occupied. Reconstruction brought a steel-framed dome supported independently to the ground, along with a 40-foot rotunda with scagliola columns, Columbian marble wainscoting, mosaic floors and a mosaic version of the California state seal. The building is described as a rare Bay Area example of Roman-Renaissance architecture, with fine stone carving, ironwork and stained glass skylights considered unequalled on the Peninsula. The project was marked by cost overruns, a grand jury action and a change of superintendent, and the final cost reached about half a million dollars. A 1933 front addition hid the original main entrance, and a 1941 rear addition followed, yet the main interior spaces remain unaltered and the dome still dominates the skyline.","period_of_significance":"1900- (specific dates 1907-1910)","architect_builder":"Architect Glen Allen following the example of the 1903-6 design by George A. Dodge; builder Joseph J. O'Brien Construction Company","architectural_style":"Roman-Renaissance","criteria":[],"status_note":"Public government building, occupied and in use; interior spaces largely unaltered, with 1933 and 1941 additions at front and rear.","vacant_flag":false,"machine_generated":true,"model":"claude-sonnet-5-5","prompt_version":"v1.0-2026-10-29","generated_at":"2026-10-29 02:55:31.576563-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/lz/electronic-records/rg-079/NPS_CA/77000340.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/77000340/d84938b67f-800.webp","url_1600":"https://nationalhistoricalregister.com/media/77000340/d84938b67f-1600.webp","licence":"CC BY-SA 4.0","author":"SPUCLA","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:The_San_Mateo_County_History_Museum.jpg\" rel=\"noopener\">SPUCLA</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:The_San_Mateo_County_History_Museum.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/123861556","wikipedia":"https://en.wikipedia.org/wiki/San_Mateo_County_History_Museum","wikidata":"https://www.wikidata.org/wiki/Q24063771"},"indexable":true,"url":"https://nationalhistoricalregister.com/california/san-mateo-county/san-mateo-county-courthouse-77000340/"}