How did the Fort Mill and Tega Cay housing markets do in August 2019? Both the Fort Mill and Tega Cay, SC housing markets remained seller markets in August 2019 with both towns having less than four months of inventory causing a drop in closed sales. In Fort Mill, new listings were down, as was inventory and the months supply of homes. In Tega Cay, the months supply of homes was down, while inventory increased slightly. A large increased in new listing in Tega Cay caused a large increase in pending sales in August.