Mark O'Brien Real Estate

Combining development and brokerage, Mark is responsible for leading the development and sale of over $135 Million of real estate transactions primarily in NYC, Greenwich CT, and New Zealand.  The Mark O'Brien Real Estate Team and Mark O’Brien Development have been selling, building, restoring, and renovating homes since 1999.  


With over $45,000,000 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.

Connect with us at buildmeabrownstone.com or contact us via email at mark@obteamnyc.com