About Sylvia S.
Sylvia S. Costantino practices family regulation across New Jersey and New York. She handles the types of disputes that turn on lifestyles changes: divorce, parental custody, help and related family court matters. Her work touches both bargaining and courtroom appearances.
Costantino built her practice by representing individuals at each stage of household regulation proceedings. She seems before municipal and state household courts in each jurisdictions and prepares the filings those courts require. Her work consists of drafting resolution agreements, arguing temporary comfort purposes and managing discovery in contested instances. She combines court readiness with attention to the office work that frequently decides results.
Outside individual casework, Costantino keeps a presence in the local legal community. As of 2026 she serves at the Family Law Committee of the Monmouth County Bar Association. That position brings her into ordinary conversations with fellow practitioners and judges about evolving practice problems and courtroom process. Participation in the committee keeps her connected to advancements in local household law practice.
Clients discover her in mediation rooms as frequently as in court. She approaches mediations as realistic hassle-fixing periods. When cases can't settle, she pursues trial preparation methodically. Costantino manages case files, prepares witnesses and marshals monetary proof where support and property problems are concerned. Her clients variety from humans navigating uncontested splits to those dealing with extra complex custody disputes.
Costantino balances casework with ongoing expert exercise in both New Jersey and New York. She is admitted to practice in both states and uses that twin admission to advise clients whose lives cross state lines. In every day practice she focuses on the legal and procedural steps that move family law matters forward, whether through resolution or litigation. Her current practice concentrates on household law things in New Jersey and New York.
