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

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Abraham Lincoln bust made of white marble that is 40 inches high and weighs 375 pounds.
The bust of Abraham Lincoln features Lincoln’s head seemingly emerging from...

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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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Stewardship
The Architect of the Capitol is committed to the preservation and stewardship...

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The AOC is responsible for nearly 600,000 square feet of windows
Architect of the Capitol Stephen T. Ayers reflects on the almost 600,000 square...

Office of Security Programs

West Front of the U.S. Capitol

The AOC Office of Security Programs (OSP), led by Ken Eads, is responsible for the maintenance, care and operation of the buildings, grounds and security enhancements of the U.S. Capitol Police (USCP) and other related facilities. OSP is also responsible for centralized security operations. The AOC oversees and supports the USCP and other functions for policing, protecting and securing the congressional community and its visitors.

This office is responsible for the delivery of unique, value-added, integrated support services that include all cross-jurisdiction security enhancements, the management of all AOC internal security programs and perimeter security kiosks and the coordination of interagency emergency preparedness.