This is the residence of James Donahue, Cofounder, SF Gas Co., 346 1st St & Guy Place. The handwritten note on the lower left margin actually refers to the home of James's brother, Peter Donahue who had a house at NE corner Second & Bryant St. (Information provided by Nick Wright)
Photographer:
Carleton E Watkins (Nov 11, 1829 — Jun 23, 1916; Active approx. 1853 — 1896)