Summerville SC New Construction | New Homes for sale Summerville SC. The Summerville SC area is one of the fastest growing regions of the Charleston SC area, as is North Charleston, and many of the nations large builders have multiple new developments offering new homes for sale now. Much of Charleston SC new constructionis by the larger more well known builders like Pulte, Beazer, DR Horton, and Lennar, but there are a few local builders as well such as Ashton Woods, Catatlantic, Mungo Homes, Eastwood Homes, and Crescent Homes that also build in N. Charleston and Summerville. View all new developments and new homes, spec homes, and proposed construction homes in Summerville SC by price, neighborhood, new subdivision and location.