Marie G. Costello


In her 24 years of practice, Marie has successfully represented countless accident injury victims throughout the New York metropolitan area in various types of proceedings. She has won money compensation for clients in mediations, arbitrations, litigated cases and in direct negotiations with insurance carriers. Marie takes pride in using her knowledge of the law and her experience and skill in prosecuting claims to help serious and catastrophically injured clients rebuild their lives.

Bar Admissions:

  • Connecticut, 1993
  • New York, 1993
  • U.S. District Court Southern District of New York, 1993
  • U.S. District Court Eastern District of New York, 1993


  • New York Law School, New York, New York J.D., 1992
  • St. John’s University, Jamaica, New York, 1984
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