Currently 49 houses are listed on MLS, in Southern Trails, and over 140 homes in shadow creek ranch.
When the not new constructions option is selected, 19 homes appear to be on the market. Within the last 12 months 12 homes have sold as resale (used house again based on selecting the option of not new construction).
Southern Trails has a 3.707785% rate
Best of luck!
BTW -- whether new or resale be sure to have it inspected.