Tri Tip Grill in Richardson is permanently closed, according to a sign posted on its door. The restaurant was located in CityLine Market at 1417 E. Renner Road. This marks the second Tri Tip Grill location to close along with the location at The Star in Frisco, which closed Sept. 30. Tri Tip Grill specialized in barbecue, serving various sandwiches, burgers and platters.