Old Firehouse 21, known as “Old 21,” is located at 1152 Oak (cross street is Divisdero) The two-story wood building is the oldest firehouse still owned by the San Francisco Fire Department. Its firefighters and equipment played an integral role in fighting the citywide fire that destroyed much of San Francisco in the wake of the 1906 earthquake.After it was decommissioned in 1958, Old 21 served variously as a storage space and a workout and rehabilitation facility for firefighters. In 2004, the firehouse became an Official San Francisco Landmark Number 89, listed between Number 88, the Palace of Fine Arts, and Number 90, the Ferry Building.
