Founded in 1998, Costello Sandwich & Sides is a restaurant that offers a variety of dining options to guests in Chicago. It provides a range of gourmet oven-baked sandwiches, soups and side dishes. The restaurant is a member of the Roscoe Village Chamber of Commerce. Costello Sandwich & Sides maintain a dining room that can accommodate groups. The restaurant features a patio and provides carryout options to guests. It offers sandwiches with onion, tomato, lettuce, black olive and sprout toppings. The restaurant serves grilled chicken and Italian salads. Costello Sandwich & Sides specializes in catering for office lunches, parties and sports events.