Cushman & Wakefield Iowa Commercial Advisors Exclusively Offers: 3450 Dodge St Suite B, Dubuque, IA 52003. Take a look at Suite B of 3450 Dodge St; a 2,400 SF retail space that is prime for a restaurant or retail business. This site can be found near multiple major shopping centers and retail developments, including the Kennedy Mall which is Dubuque’s primary retail district. The surrounding roadways are frequently traveled and include US Hwy 20. This suite is easily convertible for a variety of uses and includes a built-out bathroom. Contact listing agents for details on possession and other information.