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

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The Cannon House Office Building, completed in 1908, is the oldest congressional office building as well as a significant example of the Beaux Arts style of architecture.
The Cannon House Office Building, completed in 1908, is the oldest...

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A view of the Capitol Visitor Center lit up at night
The Office of Congressional Accessibility Services (OCAS) provides a variety...

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An AOC worker mowing the grass on the grounds of the U.S. Capitol
The roles and responsibilities of the Architect of the Capitol cover an...

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City of Trees book cover artwork
Enjoy the fall foliage that graces the U.S. Capitol Grounds on November 15 at...

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Blog Posts By 'Alesia Call'

April 01, 2014
By: Alesia Call
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West Front of Capitol in March with blue skies and clouds
Here at the Architect of the Capitol (AOC), our challenge is unique – we must maintain aging, iconic buildings while adapting to state-of-the-art technology and increasing responsiveness to...
January 07, 2013
By: Alesia Call
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Reduction in Energy Consumption FY 2007-2012 Graphic
The Architect of the Capitol's Sustainability, Energy and Water Conservation Division is pleased to report that the AOC achieved and exceeded our annual energy reduction goal for FY 2012! This...
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