Old St. Mary's Cathedral

Old Saint Mary's Cathedral
Religion
AffiliationRoman Catholic Church
ProvinceArchdiocese of San Francisco
Ecclesiastical or organizational statusProto-cathedral; parish
LeadershipArchbishop of San Francisco, Paulist Fathers
Location
Location660 California Street
San Francisco, California
Geographic coordinates37°47′34″N 122°24′21″W / 37.79265°N 122.40575°W / 37.79265; -122.40575
Architecture
Architect(s)Craine & England (1853-54); Welsh & Carey (1908-09)
StyleGothic Revival
Groundbreaking1853
Completed1854
Direction of façadeSouth
Reference no.810
Reference no.2
Website
www.oldsaintmarys.org
The cathedral's clock and the admonitory phrase beneath it

The Old Cathedral of St. Mary of the Immaculate Conception is a proto-cathedral and parish of the Roman Catholic Church located at 660 California Street at the corner of Grant Avenue in the Chinatown neighborhood of San Francisco, California. It was built in 1854 in the Gothic Revival style, and was made a Designated San Francisco Landmark on April 11, 1968.