Shaping San Francisco Donations
or make a
one time donation

Spreckels Sugar Factory on Potrero Shore

Unfinished History

Claus Spreckels and his descendants ran one of the most successful sugar refining businesses in San Francisco from about the 1880s well into the 20th century.

Spreckels-sugar-factory-beneath-Potrero-Hill.jpg

Spreckels' Sugar Factory beneath Potrero Hill, c. 1890s

Photo: Bancroft Library


Western Sugar Refinery AAC-7616.jpg

Western Sugar Refinery, n.d., near Union Iron Works, San Francisco.

Photo: San Francisco History Center, SF Public Library


Old-spreckels-sugar-bldg-at-end-of-23rd-st-via-bold-italic 11.jpg

Old Spreckels Sugar Factory at end of 23rd Street early 1970s.

Photo: Robert Durden Color Slide Collection, San Francisco History Center, San Francisco Public Library

1905-Sanborn-Map-of-23rd-Sugarworks-and-gas-works-5850274-s2R.jpg

The 1905 Sanborn Insurance map shows the configuration of the Spreckels Sugar works and the other industrial facilities in the area.

Map: Courtesy of David Rumsey