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

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The Old Supreme Court Chamber is the first room constructed for the use of the nation's highest judiciary body and was used by the Court from 1810 until 1860. Built by Benjamin Henry Latrobe, it was a significant architectural achievement, for the size and structure of its vaulted, semicircular ceiling were virtually unprecedented in the United States.
The Old Supreme Court Chamber is the first room constructed for the use of the...

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A virtual Map of Capitol Hill from above
View a map of the U.S. Capitol and other buildings and grounds cared for by the...

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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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Bartholdi's Fountain
Take a walking tour of the U.S. Botanic Garden October 1 at 2 p.m., weather...

Safety, Fire and Environmental Programs

Close up detail of a Fire of an AOC fire extinguisher

The Safety, Fire and Environmental Programs (SFEP) is responsible for ensuring AOC’s compliance with safety, fire and environmental laws and regulations. SFEP, comprised of the Safety and Environmental and Fire Marshal Divisions, establishes policy, conducts oversight and coordinates emergency planning and preparedness. The SFEP is the primary point of contact with external regulatory agencies for AOC’s occupational safety and health, fire protection and environmental matters. Learn more about AOC's commitment to safety.