Area 11

With so many excellent residential brokerages vying annually for a piece of one of Dallas’ prized real estate pies – Preston Hollow/North Dallas, a.k.a., Area 11 – leaving the dessert table with the biggest slice is quite a coup. As in many years past, the 75-year-old Ebby Halliday Companies – comprising Ebby Halliday Realtors, Dave…