Hiram W. Johnson House

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Hiram W. Johnson House
Mountjoy Bayly House.jpg
Hiram W. Johnson House is located in Washington, D.C.
Hiram W. Johnson House
Location 122 Maryland Ave., NE, Washington, D.C.
Coordinates 38°53′29″N 77°0′18″W / 38.89139°N 77.00500°W / 38.89139; -77.00500Coordinates: 38°53′29″N 77°0′18″W / 38.89139°N 77.00500°W / 38.89139; -77.00500
Built 1810
Architectural style Second Empire, Federal
Governing body Private
NRHP Reference # 73002072
Significant dates
Added to NRHP July 20, 1973[1]
Designated NHL December 8, 1976[2]

The Hiram W. Johnson House, also known as Mountjoy Bayly House, Chaplains Memorial Building or Parkington, is an historic house, located at 122 Maryland Avenue, Northeast, Washington, D.C., in the Capitol Hill neighborhood.


It was constructed in 1822, a combination of Federal and Second Empire architecture. It was the residence of the second Sergeant at Arms of the Senate, General Mountjoy Bayly. From 1929 until 1947, it was the residence of Senator Hiram Johnson, a former governor of California and a founder of the Progressive Party.

It was declared a National Historic Landmark in 1976,[2][3] and contributing property to the Capitol Hill Historic District.

The American Civil Liberties Union (ACLU) owned the building. It was leased to the Democratic Senatorial Campaign Committee.[4]


  1. ^ "National Register Information System". National Register of Historic Places. National Park Service. 2007-01-23. 
  2. ^ a b "Hiram W. Johnson House". National Historic Landmark summary listing. National Park Service. Retrieved 2008-05-13. 
  3. ^ George R. Adams and Ralph Christian (March, 1976). "National Register of Historic Places Inventory-Nomination: Hiram W. Johnson House / Parkington PDF (32 KB)". National Park Service.  Check date values in: |date= (help) and Accompanying one photo, exterior, from 1976 PDF (32 KB)
  4. ^ http://karchem.com/projects/office/office_6.html