A private residence stood on this property as early as the 1830s. In 1860, John Baylis Earle Sloan and his wife, Mollie Seaborne Sloan, established a home that became known as Tanglewood. It was a piedmont plantation-style house resting on tall piers and having large rooms. The columns and ruins seen today are all that remain of the site, which was first destroyed by fire in 1908. The family rebuilt the home as a classical colonial mansion in 1910, reusing the columns in the portico. Tanglewood remained in the Sloan family for many years until it was sold in the 1950s. The building again burned to the ground in 1970. In 2004, funds were allocated by the Anderson County Council for construction of a new Pendleton branch library of the Anderson County Library System, the Tanglewood property was purchased after negotiations with owners John and Suzanne Morse, and groundbreaking for the library took place on December 17, 2004.