Our Attorneys

Sean P. O’Sullivan

Sean P. O’Sullivan, Esq., is an attorney admitted to practice law in the State of New York. He is also admitted to practice before the United States District Courts for the Southern District of NY and Eastern District of NY.

The office is a full service law office with a variety of fields of practice. The largest focus is Real Estate Law. Please click here to see the areas of practice.
Sean is a member of South Shore Kiwanis having served as its Distinguished Past President, Past Secretary, Past Treasurer, and Past Director. Sean is a past board member of the Captain Scott LaPredra Family Firefighter Foundation. He is also a volunteer with the March of Dimes serving on its Gourmet Gala and Walk America committees. In 1998, Sean was elected to the Community School Board and served as its youngest Secretary Treasurer. He is also a member of the Knights of Columbus. Sean is also a George F. Hixson Fellow of the Kiwanis International Foundation.

Sean also served as an Adjunct Professor of Political Science at the College of Staten Island.

Sean earned his JD from Brooklyn Law School, MA from Fordham University, and BA from NYU.

Professional Memberships:
Richmond County Bar Association
Brooklyn Bar Association
NY State Bar Association
Irish American Bar Association

Courts/ Admission
State of New York
US District Court, Eastern District, NY
US District Court, Southern District, NY

Please contact Sean at 718.650.4700 or email SOSullivan@IslandLawFirm.com