MileStone Community Builders by MileStone, a premiere homebuilder for new homes in Austin Texas. As Austin home builders, we take pride in providing the best Austin new home builder experience. Whether you're looking for custom home builders, or just looking for Austin homes for sale, MileStone Community Builders has the best south Austin homes on the market. Contact MileStone to inquire about all the new construction in Austin and to see all the Austin homes for sale.