River Oak Way Addition, Lake Dallas, Texas. Mentor Custom Homes is proud to introduce the latest addition to the City of Lake Dallas Texas, offering 6 single family homesites, all consisting of over a quarter of an acre estate lots. Shady Shores Elementary School is located immediately adjacent to this unique development and offers unequalled proximity to quality education. A creek with mature trees nestled in a 2.15 acre greenbelt insure that all homesites will have complete rear privacy for eternity to the West. Now is the time to design your dream home, with unequalled quality and energy efficiency. Mentor Custom Homes has been building Custom Homes in the DFW are for over thirty years.