Let’s Find Your Home
NYC Buy Sell Build
Combining development and brokerage, Mark is responsible for leading the development and sale of over $375 Million of real estate transactions primarily in NYC, Greenwich CT, and New Zealand. Mark O’Brien Real Estate and Mark O’Brien Development have been selling, building, restoring, and renovating homes since 1999.
With over $65,000,000 in ground up construction, with experience using modular and precast construction, historic Brownstone restoration and residential renovations, recognized by the HOBI Awards and Press in The Real Deal, Life and Leisure, Remix Magazine, Huffington Post, and Home Style Magazine.
Even if you’re not ready to list your home, we’re here to help you navigate your next move. Fill out the quick form below, and Mark O’Brien Real Estate will be in touch to guide your home search.
Find Your Dream Home with Mark O'Brien Real Estate
With over 30 years of experience in New York City, Mark O’Brien Real Estate understands the subtle nuances of each neighborhood. Discovering hidden gems is our passion, and we’re dedicated to creating real value for our loyal clientele.