Coit Tower on Telegraph Hill San Francisco CA. against blue cloudy sky. Coit Tower is a notable landmark built atop Telegraph Hill at the bequest of Lillie Hitchcock Coit. This art deco 210-foot (64-meter) unpainted reinforced concrete tower was dedicated in 1933 and was built as a memorial to the San Francisco Fire Department. The interior of the cylindrical tower is decorated with a large number of murals most of them depicting life in California during the Great Depression. The murals are protected as a historical treasure. At the top of the Coit tower is an observation platform with spectacular 360° views over San Francisco.