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

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The Frieze of American History in the Rotunda of the United States Capitol
The Frieze of American History in the Rotunda of the United States Capitol...

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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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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,...

Senate Superintendent's Office

Senate Superintendent's Office

Senate Superintendent's Office

Working around the clock, 24 hours a day, seven days a week, the men and women of the AOC Senate Superintendent Office are dedicated to serving the United States Senate by ensuring the historic fabric of the buildings are maintained while meeting modern and evolving workplace needs.

The Senate Superintendent’s Office, led by Superintendent Takis Tzamaras, is comprised of a variety of skills and trades including the operation of the air conditioning, cleaning, labor, electrical, elevator, fire/electronics, health and fitness facilities, masonry, painting and refinishing, plumbing, sheet metal, subway, furniture, upholstery, and wood crafting.

These skilled tradespersons work behind the scenes providing services to the Senate that include: ensuring a safe and comfortable indoor environment; preserving historic structures; maintenance, repair, and construction; and furnishing and care of office suites.

The three primary Senate office buildings, outside of the U.S. Capitol, total more than 2.7 million square feet and include the Russell, Dirksen and Hart Senate Office Buildings.

Need Assistance?

Contact the Senate Superintendent Service Center 24 hours a day, seven days a week, at 202.224.3141.

Online Service Request (must be connected to Capitol Hill network to access link)

Project Updates

Other projects underway across Capitol Hill.