Leonard L. Williams Justice Center

(formerly New Castle County Courthouse)
Photo of the Leonard L. Williams Justice Center

TRAFFIC ALERT - Road closures and construction delays at and around the Leonard L. Williams Justice Center in Wilmington - Fall 2024 to June 2026.
Latest details on road closures.


The Leonard L. Williams Justice Center is located on a 5.3-acre site in the City of Wilmington, bordered by 4th, 6th, Walnut and King Streets.

Occupants of the building include the Court of Chancery, Superior Court, Family Court, Court of Common Pleas, Register in Chancery, Prothonotary, Administrative Office of the Courts, Law Library, Filing and Payment Center, Jury, and Capitol Police. The Attorney General, Public Defender and Sheriff also have satellite offices in the Courthouse.


Courthouse Address

Leonard L. Williams Justice Center

500 North King Street
Wilmington, DE 19801
Phone: 302.255.0000

Courthouse Reminders


Portable Electronic Devices Policy

Cellular telephones and other personal electronic devices are allowed in court facilities with restrictions.


Closure Information

For information on Courthouse closures, please call the Weather Emergency Line at 302-255-0555. View the holiday schedule.