William P. O’Brien, SIOR is a third generation member of M. C. O’Brien, Inc., which is currently the oldest commercial real estate firm operating in Brooklyn. Mr. O’Brien has been associated with The Brooklyn Board of Realtors since entering the real estate business in 1989 and has continued to refine his professional abilities through education, networking and his affiliation with a diverse group of commercial real estate organizations. Specifically, during his tenure at The Brooklyn Board of Realtors he became interested in the Professional Standards and Mediation Component of the Realtor Designation and ultimately chaired the Professional Standards and Mediation Committee for a number of years. Mr. O’Brien has been able to achieve considerable success in terms of retail and office leasing and sales in his 34 years in the business. Average annual transaction values for Mr. O’Brien have been between $40,000,000 and $50,000,000. Mr. O’Brien has represented numerous entities in regard to their real property needs in Brooklyn and Queens, including State Farm Insurance, JP Morgan Chase, Rite Aid Pharmacy, Walgreens Pharmacy, Allstate Insurance, the American Red Cross and a host of... Read More
