Taco Joint will close permanently May 1 at 2 p.m. The business, located in the Richardson Heights Shopping Center at 100 S. Central Expressway, Richardson, plans to open in a new location in Lake Highlands at 9850 Walnut Hill Lane, Dallas. Taco Joint is a counter-service Tex-Mex chain offering tacos, burritos, enchiladas and chalupas. 469-547-2451. www.tacojoint.com