Organized:  December 3, 1866

Location:  Nob Hill, Chinatown

1866   December 3rd, assigned to new quarters at 1214 Pacific Street
1868   Company disbanded to organize Engine Co. No. 8

Location:  Mission District

1872   Company reorganized and assigned to quarters on 22nd Street near Folsom Street
1878   Relocated to new quarters at 2547 Folsom Street
1893   Company disbanded to organize Engine Co. No. 25