M.C. O’Brien is the oldest commercial real estate firm located in Brooklyn, New York. Founded in 1909 by Michael C. O’Brien, Sr., M.C. O’Brien continues to be a family-run business by second and third generation family members. Their extraordinary history in the outer boroughs has brought them a wealth of experience in all property types – office, industrial, retail, investment. At M.C O’Brien, their specialty is their clients. They believe in building long-term relationships with their clients by providing a high level of personal service and commitment to achieve their real estate goals. Because they are relationship-oriented and not transaction-oriented, their clients really benefit from their knowledge of the market, their involvement in their community, and their professional education in all aspects of their business. M.C. O’Brien provides a full range of services for both real estate and business owners through their innovative operating platform and entrepreneurial culture.