O’Shea, Marcincuk & Bruyn, LLP is a law firm located in Southampton town. Whether you are a large business that is seeking legal assistance regarding real estate or an individual who needs legal representation for vehicle and traffic infractions, all of our attorneys have the knowledge and experience to handle your case.

Our practice has three attorneys who offer personable and professional legal council. With over 20 years combined experience, James O’Shea, Robert Marcincuk & Wayne Bruyn can assist you with your legal concerns. O’Shea, Marcincuk and Bruyn are former town attorneys.

We are experienced in real estate law including buying and selling, land usage, bankruptcy law, criminal cases, wills, estates, and trusts.

Firm history and practice areas


O’Shea, Marcincuk & Bruyn was founded in January 2000 by the firm’s three partners, James O’Shea, Robert Marcincuk and Wayne Bruyn. Our firm provides clients with the highest standard of professional legal service through superior technical expertise, astute legal insight and the development of personalized relationships.

The firm has steadily built its general practice and has substantial knowledge in the areas of real estate and real property law, land use, planning and zoning law, bankruptcy, tax certiorari, and personal injury, wills and estates, vehicles and traffic matters, and landlord / tenant and criminal law.

Additionally, O’Shea, Marcincuk & Bruyn has represented numerous financial institutions as attorneys in residential mortgage loan closings. Past clients include, HSBC, Wells Fargo, and Long Island Mortgage Corporation – a subsidiary of North Fork Bank, in this regard.

O’Shea, Marcincuk & Bruyn establishes relationships with clients based on its technical prowess, legal ethics and commitment to the highest standards of professional service. We would be pleased to add you or your firm to our list of clients.

The firm has eight people on staff, who are well-respected, personable, and are certified paralegals and legal assistants.

The firm also offers personalized services based on client’s specific needs.

Licensed, NY Bar Association, Suffolk county bar association. Wayne Bruyn licensed in CT

Struggling to purchase or sell a home or business? When issues arise during a buy or sell agreement, our attorneys are here for you. Whether you are attempting to sell or buy commercial or residential properties, improved or unimproved or vacant land, one of our three attorneys are here to represent you.

We have provided legal representation to those who were in need of selling or buying large estates on water worth 20 million dollars.

However, no real estate legal matters are too big or small. All attorneys are knowledgeable of the transfer of development rights opportunities and can discuss what options may be available to you after you own the property.

james-osheaMr. O’Shea is a life-long resident of Southampton, having attended local schools and graduated from Mercy High School. After graduating from the SUNY at Plattsburgh, Mr. O’Shea attended Brooklyn Law School and graduated in 1981.

After graduation he became an Assistant District Attorney in Kings County and prosecuted felony cases there until 1984. In 1985, Mr. O’Shea resigned from his positioning at the DA’s office and founded a law firm in Southampton practicing real estate, criminal law, wills and estates, and bankruptcy law.

He has maintained a private practice for the past 30 years in Southampton and has proven to be a formidable advocate for clients as a result of his vast experience in a variety of practice areas.