New Castle County Court House

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New Castle Court House Museum
Habs new castle county court house.jpg
The old New Castle Court House.
New Castle County Court House is located in Delaware
New Castle County Court House
Location 211 Delaware St., New Castle, Delaware
Coordinates 39°39′35″N 75°33′49″W / 39.65972°N 75.56361°W / 39.65972; -75.56361Coordinates: 39°39′35″N 75°33′49″W / 39.65972°N 75.56361°W / 39.65972; -75.56361
Built 1775
Architectural style Georgian
Governing body State
NRHP Reference # 72000285
Significant dates
Added to NRHP November 28, 1972[1]
Designated NHL November 28, 1972[2]

New Castle Court House Museum, also known as New Castle Courthouse Museum, is the center of a circle with a 12-mile radius that defines most of the border between the states of Delaware and Pennsylvania and a small part of the border between Delaware and Maryland.[3] It is one of the oldest courthouses in the United States.

It was declared a National Historic Landmark in 1972.[2][4]


The building known today as the "Old Court House" was built in sections during three centuries of colonial and federal government. Prior to the Revolution it served as the meeting house for the governments of the three counties comprising Delaware. For one year (1776–1777) it served as the state house of Delaware. Thence it became the New Castle County courthouse for three centuries. An occasional court held there serves to keep alive the claim that this building is the oldest continuously used chamber of justice in the United States.

The building became part of First State National Monument in 2013.[5]

See also[edit]


  1. ^ "National Register Information System". National Register of Historic Places. National Park Service. 2007-01-23. 
  2. ^ a b "New Castle Courthouse". National Historic Landmark summary listing. National Park Service. Retrieved 2007-10-02. 
  3. ^ William S. Schenck. "Delaware's State Boundaries". Retrieved May 6, 2011. 
  4. ^ Robin K. Bodo, Cynthia R. Snyder, and Anthony D'Antonio, Jr. (2001-10-26). National Historic Landmark Nomination: New Castle Court House PDF (129 KiB). National Park Service. 
  5. ^ Obama, Barack (March 25, 2013), Establishment of the First State National Monument, Presidential Proclamation, retrieved June 6, 2013 

External links[edit]