Grand Homes and First Texas Homes have purchased sites for houses in a new residential community in fast-growing Celina. The homebuilders, both based in Dallas, plan to construct 126 houses in the Wellspring Estates development on Frontier Parkway/FM 1461, roughly three miles north of U.S. Highway 380 and Preston Road. First Texas will sell homes starting at about $360,000, and Grand Homes will start at $410,000. Total square footage ranges from 2,500 to 4,800 square feet. Celina has been North...