Buying a home in Duncan, South Carolina does not have to be difficult - Homes.com makes home buying a breeze. With 270 homes for sale in Duncan, South Carolina, you can search by price, bedrooms, neighborhood, and even by property type. Search Duncan homes for sale, foreclosures, MLS listings, and more. Make an informed decision with Duncan school data, neighborhood information, find Duncan real estate agents, and research home values in Duncan, SC. Homes.com has everything you need but the house keys.