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Amster & Rosensweig, PC, Attorneys at Law

Who We Are

Ronald A. Rosensweig

Ronald A. Rosensweig has practiced law since 1973 after graduation from Brooklyn Law School. He was first associated with the firm of Unger & Unger, of Newark, New Jersey. In 1976, Ron became associated with the law firm of Daniel Amster and became Danny’s partner in .

Having practiced in the Landlord/Tenant courts of New Jersey for many years, many clients are referred to Ron by court employees. Ron represents both landlords and tenants and is known by those on the same side as well as those on the other side as being fair and respectful of each. Ron understands that people often find themselves in financial straits and he takes a cooperative approach to the practice to try and satisfy each party.

Ron was for some time on the Rent Leveling Board of the Borough of Leonia and was also the Municipal Prosecutor for Leonia for many years.

An avid soccer fan, Ron has for many years refereed soccer matches on the high school, college and amateur levels and continues to referee on the high school level as well as the numerous clubs located in the State of New Jersey.
Ron is very involved with the Jewish Federation of North Jersey and is a Past President of the Federation.

Ron resides in Wyckoff with his wife and he is the father of two adult daughters and the grandfather of two grandsons, all of whom share his love of sports and community. 

Barry J. Cohen

Barry J. Cohen received his Juris Doctor from the University of Miami; his Bachelor of Arts from Clark University and is a graduate of the Horace Mann School in the Bronx, New York. After graduation from Law School, Barry worked for a firm in Hackensack, New Jersey joining Amster & Rosensweig, in 1985.

Since that time, Barry has focused his practice on numerous aspects of real estate law including representing both developers and objectors before Planning Boards and Zoning Boards throughout the State of New Jersey. The matter of Allied Realty, Ltd. V. Borough of Upper Saddle River, a published decision handled by Barry is often cited by courts in New Jersey for the proposition that a property owner may show a change of circumstances to justify the granting of relief to a developer for a previously imposed condition of approval.

Barry has represented property owners of large commercial properties in the Tax Court of New Jersey achieving many reductions in assessments resulting in extensive cost savings to clients.

Recognizing that sometimes justice needs to be obtained even if one with limited means seeks such relief, Barry has handled cases for residents of a lower income housing project on a pro bono basis.

Barry resides with his wife and feline son in North Bergen and in his spare time is an avid fan of all sports teams from the U.  

33 Harrison Avenue
P.O. Box 1
Waldwick, NJ 07463


Phone: (201) 652-5055
Fax: (201) 652-1291