1111 Constitution Ave NE
Washington, DC 20002, USA

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  • Marley Zielike

Internal Revenue Service Headquarters Building, 1111 Constitution Ave NorthweSt Washington, District of Columbia, DC

The French Renaisance-style Internal Revenue Service Headquarters (IRS) Building was the first of several U.S. Government buildings of monumental scope to be erected in the 1920s and 1930s in the "Federal Triangle" area of Washington D.C., bounded by Pennsylvania and Constitution Avenues and 15th Street. Like headquarters buildings of other departments and agencies in the Triangle, it consolidated in a single location IRS functions and employees from disparate, often leased sites throughout the District of Columbia. The Internal Revenue Service Building and other Triangle structures that followed represented the largest public building project to that point in American history.

Internal Revenue Service Headquarters Building, 1111 Constitution Ave NorthweSt Washington, District of Columbia, DC

The French Renaisance-style Internal Revenue Service Headquarters (IRS) Building was the first of several U.S. Government buildings of monumental scope to be erected in the 1920s and 1930s in the "Federal Triangle" area of Washington D.C., bounded by Pennsylvania and Constitution Avenues and 15th Street. Like headquarters buildings of other departments and agencies in the Triangle, it consolidated in a single location IRS functions and employees from disparate, often leased sites throughout the District of Columbia. The Internal Revenue Service Building and other Triangle structures that followed represented the largest public building project to that point in American history.

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