WEBRowlett (/ raʊˈlɛt /, [7] traditionally / ˈraʊlɪt / [8][9]) is a city in Dallas and Rockwall Counties in Texas, United States, and an eastern suburb of Dallas. It is a growing, upscale community with nearly $1.5 billion in development in the Dallas–Fort Worth metroplex, located on Lake Ray Hubbard.