The Nassau County Courthouse, located at 262 Old Country Road in Mineola, is one of the most recognizable government buildings in Nassau County. The courthouse serves as an important center for judicial proceedings while also representing a significant chapter in the county’s architectural and civic history.
Completed in 1940, the monumental stone building stands along Old Country Road, surrounded by landscaped lawns, mature trees, walkways and a prominent American flag. Its symmetrical exterior, tall windows, decorative reliefs and county seal reflect the importance placed on public buildings during the first half of the 20th century.
Today, the building houses Nassau County Court and Nassau County Surrogate’s Court, accommodating proceedings involving criminal cases, estates, probate and other legal matters. It is also recognized as a historic landmark, having been added to the National Register of Historic Places in 2021.
History of the Nassau County Courthouse
The present Nassau County Courthouse was developed during the Great Depression as part of a major effort to modernize public infrastructure and provide employment through government construction projects.
Planned under the federal Public Works Administration, the courthouse complex was constructed between 1938 and 1940. It became a major center of judicial activity as Nassau County’s population and governmental responsibilities expanded during the 20th century.
The building replaced the earlier courthouse’s role as the principal center of county judicial operations. That older courthouse, constructed around the turn of the 20th century, later became part of Nassau County’s executive and legislative government complex.
The courthouse at 262 Old Country Road was formally listed on the National Register of Historic Places on March 2, 2021. The designation recognized the building’s architectural significance and its longstanding contribution to the county’s government and judicial system.
Architecture and Historic Significance
The Nassau County Courthouse is an example of monumental civic architecture developed during the New Deal era. Its exterior is distinguished by sandstone cladding, a broad symmetrical facade, vertical window arrangements and sculptural details representing the formality and authority traditionally associated with courthouses.
The words “Nassau County Court House” are carved into the upper portion of the building, while the county seal appears above the main entrance. Decorative stone panels, carefully proportioned windows and the surrounding landscaped grounds contribute to the courthouse’s imposing appearance along Old Country Road.
The courthouse’s historic designation also reflects the importance of preserving public buildings associated with Nassau County’s growth. Its continued operation demonstrates how historic government facilities can remain part of everyday civic life while retaining their architectural character.
Courts and Judicial Services
The courthouse is part of the Nassau County portion of New York State‘s Tenth Judicial District. Several judicial functions are located at the Old Country Road building.
Nassau County Court
Nassau County Court handles criminal matters, including felony proceedings, as well as certain other cases within its jurisdiction. County Courts in New York have authority to conduct felony trials and share jurisdiction with other courts over certain lesser criminal offenses.
The Nassau County Court office at 262 Old Country Road can be reached at 516-493-3710. The Chief Clerk’s office can be reached at 516-493-3690.
Nassau County Surrogate’s Court
Nassau County Surrogate’s Court is located on the third floor of the courthouse. It handles matters involving wills, estate administration, probate, certain guardianship proceedings and other matters within the Surrogate’s Court’s jurisdiction.
The Surrogate’s Court can be contacted at 516-493-3800, and the Chief Clerk’s office at 516-493-3805.
Other Nassau County court functions operate at separate locations. Nassau County Supreme Court is located at 100 Supreme Court Drive in Mineola, while Nassau County District Court is located at 99 Main Street in Hempstead. Visitors should check their court notices carefully to make certain they report to the correct building.
Visiting the Courthouse
The Nassau County Courthouse is situated on Old Country Road in Mineola, within the county’s principal government and judicial district. Its location makes it accessible from major local roads and nearby public transportation connections, including the Long Island Rail Road’s Mineola station.
Public parking is available on-site or adjacent to the facility, according to the New York State Unified Court System. Accessible facilities include elevators serving public floors, designated restrooms and an accessible entrance arrangement with assistance from court security.
Individuals requiring disability accommodations should contact the court in advance. Requests may be made through the New York State Unified Court System’s accommodation process or by calling 516-493-3001.
Visitors attending a court proceeding should confirm their reporting location, appearance time and any applicable courthouse security requirements before traveling. The courthouse remains an active judicial facility rather than a general sightseeing attraction.
Nassau County Courthouse
Key Facts & Details
| Official Name | Nassau County Courthouse |
| Address | 262 Old Country Road, Mineola, NY 11501 |
| County | Nassau County, New York |
| Building Type | Government courthouse and historic landmark |
| Completed | 1940 |
| Architectural Period | New Deal era |
| Historic Designation | National Register of Historic Places |
| Designation Date | March 2, 2021 |
| Judicial District | New York State Tenth Judicial District (Nassau County) |
| Courts Located Here | Nassau County Court and Nassau County Surrogate’s Court |
| County Court Phone | 516-493-3710 |
| Surrogate’s Court Phone | 516-493-3800 |
| Parking | Public parking available on-site or adjacent to the facility |
| Accessibility | Accessible entrance, elevators and restrooms; accommodations available through the court |
| Official Website | New York State Unified Court System |
The Nassau County Courthouse continues to serve as an important part of Long Island’s judicial system while preserving the architectural legacy of a major public building constructed during the Great Depression. Its combination of historic significance, government functions and prominent location in Mineola makes it one of Nassau County’s enduring civic landmarks.