Matthew S. Seidner

Attorney Profile

Top Rated Family Law Attorney in Garden City, NY

Law Offices of Seidner & Associates, PC
100 Quentin Roosevelt Blvd, Suite 401
Garden City, NY 11530
Phone: 516-345-9900
Fax: 516-345-9902
Selected to Super Lawyers: 2017 - 2021
Licensed Since: 2003
Practice Areas: Family Law (90%), Elder Law (10%)
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Attorney Profile

The founder of the Law Offices of Seidner & Associates, PC, Matthew S. Seidner focuses his practice on a variety of family law matters, and he has elder law experience as well. Based in Garden City, he represents clients throughout Nassau and Suffolk counties and other parts of the greater New York City metropolitan area. Admitted to practice in New York since 2003, Mr. Seidner is also admitted to practice before the U.S. District Courts for the Eastern and Southern Districts of New York as well as before the U.S. Court of Appeals for the Federal Circuit.

Many of Mr. Seidner’s clients are people whose marriages are breaking down, and they turn to him for assistance in dealing with such divorce-related issues as child custody and visitation, the division of marital assets and debts, alimony and child support. His experience in this regard also encompasses divorces involving spouses who are serving in the military and this comes with its own set of procedures. Mr. Seidner often takes the lead in attempting to negotiate a comprehensive settlement agreement, but if this turns out to be unfruitful and mediation sessions fail to reach an accord, he is a forceful courtroom advocate on behalf of his clients.

Mr. Seidner has also helped clients who have already gotten a divorce and who are now seeking the enforcement of or modifications to existing parenting and court orders, and his family law experience has additionally entailed his obtaining protective orders for victims of domestic violence. Highly respected by his colleagues, he has received an AV Preeminent* peer review rating through Martindale-Hubbell and a 10.0 "Superb" peer review rating through Avvo. After graduating from the Benjamin N. Cardozo School of Law at Yeshiva University, he worked for prestigious law firms in New York City before founding his current firm.

*AV®, AV Preeminent®, Martindale-Hubbell Distinguished and Martindale-Hubbell Notable are certification marks used under license in accordance with the Martindale-Hubbell certification procedures, standards and policies. Martindale-Hubbell® is the facilitator of a peer review rating process. Ratings reflect the anonymous opinions of members of the bar and the judiciary. Martindale-Hubbell® Peer Review Rating™ fall into two categories – legal ability and general ethical standards.

Practice Areas
  • 90%Family Law
  • 10%Elder Law
Focus Areas

Alimony & Spousal Support, Child Support, Custody & Visitation, Divorce, Domestic Violence, Prenuptial Agreements, Marital Property, Same Sex Family Law, Father's Rights


5 Years Super Lawyers
  • Super Lawyers: 2017 - 2021

About Matthew S. Seidner

Admitted: 2003, New York

Professional Webpage:

Scholarly Lectures/Writings

  • The Law Practice Magazine of The American Bar Association
  • The Nassau Lawyer of the Nassau County Bar Association
  • Speaker, Medicaid Planning, Asset Protection, 2014
  • Tough Market Conditions Force Law School Changes, The Law Practice Magazine of the American Bar Association, 2015
  • Continuing Legal Education for LawLine
  • Speaker, Medicaid Planning for Elder Clients, Medicaid Planning, 2013
  • Who is a "Parent" These Days, Nassau County Lawyer, 2017

Pro bono/Community Service

  • Trustee, Village of Munsey Park, Manhasset, Zoning Board of Appeals
  • Incorporated Village of Munsey Park, Member of Zoning Board of Appeals, 2009
  • Hosted charity event for Project Violet, 2015

Educational Background

  • State University of New York at Stony Brook, B.A.

Bar/Professional Activity

  • Member, American Bar Association, 2003
  • The Part 36 Panel for Article 81 Guardianships
  • Nassau County Bar Association, Matrimonial Law Committee, 2010
  • Law Line, 2013
  • Nassau County Bar Association, Elder Law Section, 2010
  • Member, The Steering Committee for the Nassau County Family Court
  • Member, Nassau County Bar Association, 2005
  • Lead Counsel Rated, 2013
  • Law and Procedure Steering Committee for Nassau Family Court, 2012
  • New York State Bar Association, 2002
  • New York State Trial Lawyers Association, 2014
  • Nassau County Bar Association, Conciliation Committee
  • Member, National Association of Elder Law Attorneys, 2013

Special Licenses/Certifications

  • Part 36 Fiduciary, Nassau County Supreme Court, 2014
  • Steering Committee for The Part 36 Panel for Article 81 Guardianships



  • Patel v Patel - Victory after Trial, 2014
  • D'Alia v Barone, 2014
  • Sanders v Ballek, 2014
  • Sookdeo v Ramjohn, 2013
  • Walcott v Danville, 2014
  • Department of Social Services v Gaglione - Dismissed neglect petition in favor of mother, 2014


  • Best New York Lawyer, The Global Directory of Who's Who, 2015
  • Top 40 Lawyers Under 40, American Society of Legal Advocates, 2015
  • Client's Choice Award, AVVO, 2013
  • Top Lawyer of New York Metro, Top Lawyers of New York Metro, 2018
  • 10 Best Lawyers Under 40, American Institute of Family Law Attorneys, 2015
  • Client's Choice Award, AVVO, 2015
  • AV Preeminent, Martindale Hubble, 2018
  • SuperLawyers, 2017
  • Nation's Top One Percent, National Association of Distinguished Counsel, 2015
  • Clients Choice Award, AVVO, 2014
  • AV Preeminent, Martindale Hubble, 2017
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Office Location for Matthew S. Seidner

100 Quentin Roosevelt Blvd
Suite 401
Garden City, NY 11530

Phone: 516-345-9900

Fax: 516-345-9902

Last Updated: 7/9/2021

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