Santa Rita Ranch, Tucson's newest planned community is situated on 1,100 acres with approximately one third of the area dedicated to open space and common areas. Take I-10 to Exit 275, drive south on Houghton Road to Sahuarita Road. To visit KB Home, turn east on Sahuarita Road then south on Melpomene Way. To visit A.F. Sterling Homes, drive one mile south of Sahuarita Road then turn west on Camino Del Toro.