Stewards of the iconic buildings and grounds of Capitol Hill since 1793.

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A black and white photograph of the United States Capitol in 1846.
The history of the United States Capitol Building begins in 1793. Since then,...

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A crowd of people visiting the Capitol during visitor hours
Visitor Hours for the Buildings on Capitol Hill.

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AOC employee assembling a bunch of tiny American flags for a display
Information for Small Businesses interested in doing business with the...

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National Statuary Hall in the U.S. Capitol lined with marble statues and columns
The Architect of the Capitol is responsible for the care and preservation of...

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Press Room

Recent News

Tree Lighting 2012
Oct 29, 2014
2014 Capitol Christmas Tree Lighting Ceremony The U.S. Capitol Christmas Tree will be lit by Speaker of the House John A....
Oct 27, 2014
The Architect of the Capitol will conduct a safety exercise the morning of October 28, 2014, at the Capitol Power Plant....
Jul 10, 2014
Monday, July 21 - Final Update: AOC's contractor completed work in the East Grand Staircase on the House side of the...
Apr 03, 2011
Adjacent to Interstate 295, in DC’s Anacostia neighborhood, hides a...
Dec 15, 2010
This year, the Capitol Power Plant marks 100 years of steady service of...
Nov 08, 2010
Architect of the Capitol Stephen T. Ayers, AIA, LEED AP, announced that...
Aug 15, 2010
Blooming cherry trees, tulips, magnificent oaks and magnolias—these are...
May 12, 2010
On May 12, 2010, the United States Senate, by unanimous consent, confirmed...
Mar 13, 2010
  The iconic “Walter dome” atop the Capitol is recognized around the world...
Feb 24, 2010
President Obama today officially nominated Stephen T. Ayers, AIA, LEED AP...
Aug 11, 2009
Under Mr. Ayers’ leadership, the AOC has implemented several programs to...

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