3. "Building" means a building or structure located in a city or outside the limits of a city in a county, which is used or intended to be used for residential purposes, and includes a building or structure in which some floors may be used for retail stores, shops, salesrooms, markets, or similar commercial uses, or for offices, banks, civic administration activities, professional services, or similar business or civic uses, and other floors are used, designed, or intended to be used for residential purposes.