McCormick Apartments

Also known as: Mellon Apartment, Andrew Mellon Building, 1785 Massachusetts A
1785 Massachusetts Ave., NW, Washington, District of Columbia


Historic American Buildings Survey Jack E. Boucher (for CFA) Photographer, 1970 CORNER ENTRANCE FACADE 18th Street at Massachusetts Avenue

Photo taken for the Historic American Buildings Survey


Street View 


From 1922 to 1937, this was the residence of Andrew Mellon (1855-1937), the millionaire industrialist who was Secretary of the Treasury from 1921 to 1932, the longest tenure since Albert Gallatin. He authored the "Mellon Plan" which stimulated the economic boom of the 1920s. Now headquarters of the National Trust for Historic Preservation. -- National Historic Landmark statement of significance, May 11, 1976

National Register information 

Posted to the National Register of Historic Places on April 3, 1973
Reference number
Architectural style
Late 19th and 20th Century Revival: Beaux Arts
Areas of significance
Industry; Commerce; Economics; Politics/Government; Architecture
Levels of significance
National; State
Evaluation criteria
C - Design/Construction; B - Person
Property type
Historic function
Multiple dwelling
Current function
Periods of significance
1900-1924; 1925-1949
Significant years
1915; 1916; 1937

Update Log 

  • January 10, 2018: New Street View added by Michael Miller
  • May 12, 2012: Imported photos from HABS/HAER