Searching for 52003 Multifamily Houses for Sale (Dubuque, IA)? Buying a multifamily home in 52003? The buying process does not have to be difficult - HousingBlock.com makes buying a breeze. Search 52003 properties by price, bedrooms, neighborhood, and even by property type. Make an informed decision with 52003 school data, neighborhood information, find 52003 real estate agents, and research home values in 52003. HousingBlock.com has everything you need but the house keys.