Leonard L. Williams Justice Center

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


The Leonard L. Williams Justice Center (formerly the New Castle County Courthouse) 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
(formerly New Castle County Courthouse)
500 North King Street
Wilmington, DE 19801
Phone: 302.255.0000

Courthouse Reminders


Cell Phone Policy

Cellular telephones and other personal communication devices are prohibited in the Leonard L. Williams Justice Center.


Closure Information

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