The Allapattah Business Development Authority (ABDA) was founded in 1983 to improve the economic and social well being of a the Allapattah community of the City of Miami. It was conceived as a partnerhip between local residents, businesses, and governement to jump start redevelopment of this diverse community RALPH PLAZA II - Ribbon Cutting Ceremony - 3/12/07. The Organization & its Mission Commercial Revitalization Housing Development Alapattah Business Development Authority, Inc. 2634 NW 21 Terrace Miami, Fl 33142 Tel: 305 635 3561 Fax 305 634 6124 E-Mail Allapattah Business Development Auth.