Internal Revenue Service Building

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Internal Revenue Service Building
Washington DC national Mall.jpg
Internal Revenue Service Building is located in Washington, D.C.
Internal Revenue Service Building
Location1111 Constitution Avenue, Northwest
Washington, D.C., U.S.
Coordinates38°53′36″N 77°1′37″W / 38.89333°N 77.02694°W / 38.89333; -77.02694Coordinates: 38°53′36″N 77°1′37″W / 38.89333°N 77.02694°W / 38.89333; -77.02694
ArchitectLouis A. Simon
Architectural styleClassical Revival
Part ofPennsylvania Avenue National Historic Site (#66000865[1])
Internal Revenue Service Building
Internal Revenue Service Building
General information
Architectural styleClassical Revival
LocationWashington, D.C.
Town or cityWashington, D.C.
CountryThe United States of America
OwnerUnited States Government
Technical details
Floor count7
Design and construction
ArchitectLouis A. Simon

The Internal Revenue Service Building is a federal building which serves as the headquarters of the Internal Revenue Service. It is located at 1111 Constitution Avenue, Northwest, Washington, D.C. (corner of 12th Street), in the Federal Triangle.

Building history[edit]

It was designed by Louis A. Simon, and built from 1928 to 1936.[2] The cornerstone was laid in 1929 by Treasury Secretary Andrew W. Mellon.[3]

The building was designated by Congress as a contributing structure to the Pennsylvania Avenue National Historic Site in 1966, and it was subsequently listed in the National Register of Historic Places.

The building was opened for use in 1930, 16 months ahead of the planned completion date, making it the first Federal Triangle building to be opened.[4]


  1. ^ "National Register Information System". National Register of Historic Places. National Park Service. April 15, 2008.
  2. ^ "Internal Revenue Service, Washington, DC". U.S. General Services Administration.
  3. ^ "Tax Man:1929". Retrieved 2017-09-26.
  4. ^ Landphair, Ted (July 1991). "Internal Revenue Service Headquarters Building" (PDF). Philadelphia PA: National Park Service, Historic American Buildings Survey. HABS No. DC-657.

External links[edit]

Media related to Internal Revenue Service Building at Wikimedia Commons