1980 photo of Old San Diego City Hall. It housed the City of San Diego Government offices for 35 years. It was built in 1874 as a 2-story brick building. In 1887, two more stories were added and the Public Library moved into the 3rd floor. In 1891, the city purchased it from Ralph Granger and moved in - Police on the 1st floor, government offices on the 2nd and 3rd and Council Chambers on the 4th. The building is listed as a historic building number [46] on the Gaslamp Quarter Historic Buildings registry.