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

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The Rayburn House Office Building, completed in early 1965, is the third of three office buildings constructed for the United States House of Representatives.
The Rayburn House Office Building, completed in early 1965, is the third of...

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Screenshot of Google Maps image of United States Capitol and surrounding areas.
Located at the center of Washington, D.C., the U.S. Capitol Building and other...

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Photo of the East Front of the U.S. Capitol Building looking North to South.
AOC's annual Performance and Accountability Report (PAR) provides the results...

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Small Business Industry Day at AOC
The Architect of the Capitol is hosting a Small Business Day on Tuesday,...

What's New

Capitol Building Plaster Repairs

Plaster repairs underway at the U.S. Capitol

The AOC has identified areas throughout the Capitol that contain historic paint colors or decoration that need restoration. In many of these areas the plaster has cracked under the stress and weight of multiple paint layers, a result of decades of repainting wall and ceiling surfaces. These areas have been marked for paint analysis; a process that allows the AOC to record what finishes were used in the past before repairing the wall. This allows the area to be restored to its original appearance. Once an area has been documented, the walls must be stripped down to a stable surface that has not been compromised by cracks. Then, the plaster will be patched and repaired.

May 2014: Plaster repair work is currently underway near stairwell to Small House Rotunda and the 3rd floor’s north hallway of the House side.

Building: 
U.S. Capitol Building
Status: 
Ongoing
Is a Video: 
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