Garnett Farm Historic District, also known as Ott Farm, is a historic home and farm and national historic district located near Centertown, Cole County, Missouri. It encompasses 11 contributing buildings, 2 contributing sites, 2 contributing structures, and 1 contributing object dated between about 1860 and 1965. They include the farmhouse (c. 1890), garage (c. 1920), smokehouse (c. 1840), outhouse (c. 1900), well house (c. 1940), bull barn, bank barn (c. 1876), milk house (1952), cattle barn (1905-1906), tack room (c. 1900), grain bin (c. 1930), Garnett barn (1910), silo (1946); water pump, and a cemetery. The farmhouse is a two-story brick residence with some Georgian Revival and Italianate style features.[2]