Mark J. Frentzel
Attorney & Counselor at Law


Knowledge and Experience You Can Count On!


Mark J. Frentzel is the lead attorney at the Law Firm of Mark J. Frentzel. His practice includes a wide range of legal services including, personal injury, real estate, criminal law, traffic, wills, estates and trusts and family law.


Mr. Frentzel has over 25 years of legal experience in New York.


Elected to the bench in 2005, Mr. Frentzel also serves as a part-time Town Justice in the Town of Grand Island.


Involved in many community activities, Mr. Frentzel is a member of the Grand Island Lions Club, The Grand Island Rod & Gun Club, the Charles DeGlopper VFW (auxiliary), the Grand Island Moose Lodge and a volunteer with Young Life, golf committee for the annual Young Life Golf Tournament and a member of the Irene E. Witkowski Agrawal Foundation.


Practice Areas:

  • Personal Injury Law
  • Family Law
  • Real Estate
  • Criminal and Traffic
  • Wills & Estates
  • Incorporation


University at Buffalo Law School,
Buffalo, New York 1984, J.D.


University at Buffalo
Buffalo, New York 1981, B.A.


Bar Admissions:
New York State, 1985
United States Bankruptcy Court Western District of New York, 1990

United States District Court Western District of New York, 1990


Professional Associations & Memberships:

  • Erie County Bar Association
  • New York State Bar Association
  • Grand Island Student Internship Program
  • Grand Island Lions Club
  • Grand Island Moose Lodge
  • Young Life Golf Committee
  • Charles DeGlopper VFW Post (auxiliary)
  • Irene E. Witkowski Agrawal Foundation
  • New York State Magistrate‚Äôs Association
  • Grand Island Town Justice