In the civic center district, C-C, no building or premises shall be used nor shall any building or structure be hereafter erected or altered except for one or more of the following uses: hotels, motels, apartments, transitional housing, permanent supportive housing, emergency housing, emergency shelters, public libraries, and quasi-public buildings, city, county, state and federal office buildings, medical clinics, buildings for offices of professional and business use, radio and television broadcasting studios, banks and financial institutions, and elderly/retirement housing facilities as defined by the Federal Fair Housing Act for congregate care and independent housing facilities.