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

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William Henry Powell’s painting of the Discovery of the Mississippi by De Soto
William Henry Powell’s dramatic and brilliantly colored canvas was the last of...

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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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Yellow flowers in front of the Capitol Building
The Architect of the Capitol annually publishes a wide variety of publications...

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Instagrammers in the Olmsted Summerhouse on the Capitol Grounds
Early on this beautiful September morning, a group of Instagrammers came...

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.