Avi Feinberg is a licensed commercial real estate broker who has served the Brooklyn, Queens, and Bronx areas for over 30 years. after owning and managing his own brokerage firm, City One Real Estate and Financing, for 16 years, Avi joined Greiner-Maltz, where he continues to focus attentions on commercial, industrial, office, retail, and development real estate in the New York area.