The Law Offices of Seidner & Associates, P.C. 4 years ago ID: #321085 Listed In : Legal Services 100 Quentin Roosevelt Blvd #401 Garden City, NY 11530 (516) 345-9900 seidnerlaw.com Facebook Business Description Long Island Family Law Firm serving Nassau County for Matrimonial Law, Family Law, and Elder Law. Seidner & Associates can help with Divorce & Custody Cases. Reviews & Ratings Write a Review No Review. Please login / register to add your review. Tags : Long Island Divorce Attorney Long Island Divorce Lawyer Long Island Family Law Nassau Family Law Nassau County Family Law