Serving Congress and the Supreme Court, preserving America's Capitol, and inspiring memorable experiences

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U.S. Capitol Dome
The U.S. Capitol’s dome made of cast iron was designed by Thomas U. Walter and...

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Capitol Visitor Center
The Office of Congressional Accessibility Services (OCAS) provides a variety...

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Stephen T. Ayers, FAIA, LEED AP, Architect of the Capitol
On February 24, 2010, President Barack Obama nominated Mr. Ayers to serve as...

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AOC employees plan renovations to Representative Tammy Duckworth's Office
A team of tradecrafts experts at the AOC transform an office into a completely...

What's New

Capitol Building Elevator Improvements

Elevator

The AOC is currently making life safety improvements to the Capitol Building’s elevator emergency power system. This work will primarily be performed in mechanical and service spaces; therefore minimizing the impacts on building occupants. Construction on the Senate side of the Capitol is currently underway.

Building: 
United States Capitol
Status: 
Ongoing