Temelec Hall is historical building built in 1858, in Sonoma, California in Sonoma County, California. The Temelec Hall is a California Historical Landmark No. 496 listed on June 10, 1936. Temelec Hall is also a National Register of Historic Places April 19, 2006.
Temelec Hall was built by Captain Granville P. Swift (1821-1875), a member of the Bear Flag Party and took part in the short Mexican–American War in 1846–1848. Swift was the great-grandnephew to Daniel Boone. Swift found gold in 1849 California Gold Rush. With the gold, Swift built the building with stone quarried here by native labor. General Persifor Frazer Smith, a United States Army commander in lived in a small house near Temelec Hall in 1849. After Swift Temelec Hall was sold a few times. In 1915 it was sold to the Coblentz family, who restored the run down building. Coblentz family sold the Hall and it lands in 1961, to a developer. The developer built the Temelec retirement community with the Hall as historical centerpiece.[2][3][4]