Chelmsford Sub Shoppe operates as a neighborhood restaurant on Chelmsford Street with a menu built around hand-tossed pizza, subs, and salads made from real ingredients. The kitchen turns out burgers, cheesesteaks, wraps, pasta dinners, and calzones alongside their pizza offerings, with gourmet pizza and calzone variations available. The staff is noted for being friendly, and the operation emphasizes speed without sacrificing ingredient quality.