Home › Top 4 Plumber in Dubuque, Iowa Find best Plumber in Dubuque, Iowa, with all necessary contact information, including addresses, phone numbers, working hours, map locations, and website links. Welu Septic Tank Service US, Dubuque, IA 520011685 Central Ave Dubuque Plumbing & Heating US, Dubuque, IA 52003205 Stone Valley Drive Miner Plumbing Inc US, Dubuque, IA 520038884 Military Rd Mit Plumbing US, Dubuque, IA 520032001 Rockdale Rd