Adobe built about 1863 by A. S. Ensworth. Home of Capt.
Rufus K. Porter and family. Curved timbers brought from
the Clarissa Andrews, famed coaling hulk formerly of the
Pacific Mail Steamship Co. Historian Hubert Howe Bancroft
later owned this estate and here wrote a part of his monumental
History of California.
Marker placed by San Diego County Board of Supervisors and the Historical Markers Committee. Erected 1958.