Photo: John Jacob Calhoun Koon Farmstead, ca. 1890, County Route 27, Ballentine, SC. Listed on the National Register of Historic Places in 1986. Photographed by user:Bigskybill (own work), 2012, [cc-by-3.0 (creativecommons.org/licenses/by/3.0)], via Wikimedia Commons, accessed July, 2013.
The Richland County Administration Building is located at 2020 Hampton Street, Columbia SC 29202; phone: 803-929-6000.
Richland is home to five National Historic Landmarks (all located in Columbia): Chapelle Administration Building (c. 1925; designated 1976), First Baptist Church (ca. 1859; designated 1973), Robert Mills House (ca. 1823, Greek Revival, designated 1973), Mills Building (ca. 1827, South Carolina State Hospital, designated 1973), South Carolina State House (ca, 1851-1907, designated 1976).