Expert Witness Services in Nassau County, NY

For Nassau County the Supreme Court's page gives its Mineola location under the court's own name and lists a Matrimonial Center among its sections; the page states that outside New York City the Supreme Courts hear civil matters while the County Courts hear criminal matters. The court system's court locator places the County Court, Nassau County, and the Nassau County Surrogate's Court at one Mineola address, the Nassau County Court House, and the Nassau County Family Court in Mineola as well, in what its accessibility notice calls the Family and Matrimonial Court Complex; the Nassau County District Court in Hempstead is listed for lawsuits for money damages, small claims and landlord and tenant matters, and City Courts sit in Glen Cove and Long Beach. Appeals from the Supreme Court, Nassau County, are heard by the Appellate Division, Second Department, which lists Nassau among its ten downstate counties, hears the civil appeals from the Supreme Court, the Surrogate's Court, the Family Court and the Court of Claims there, and sits in Brooklyn. Mineola, Garden City and Port Washington are Nassau County municipalities.

The Workers' Compensation Board's locations page assigns every county to a district office: claims arising in Nassau County are heard through the Board's Long Island district office. The locations page puts the Long Island office in Islandia and lists a Garden City customer service center within the same district. The Eastern District of New York, the U.S. district court for Nassau County, has courthouses in Brooklyn and Central Islip.

In the Quarterly Census of Employment and Wages for January to March 2026, the largest private employment supersectors in Nassau County are education and health services, trade, transportation and utilities, professional and business services, leisure and hospitality, and financial activities. Nassau County belongs to the New York-Newark-Jersey City metropolitan area, and the labor data panel on the page reports the metropolitan area's own wages and unemployment rate, as it does on each New York page this site carries an area record for. The wage and employment data published for the New York-Newark-Jersey City area also covers Bergen County, where KWVRS is headquartered.

KWVRS accepts New York matters from its headquarters in Hackensack, New Jersey, and writes every Nassau County report to the disclosure format the court or agency hearing the case expects.