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Photograph of people walking outside on a Self-Guided Tour of Capitol Hill
Visitors can tour many highlights on Capitol Hill without registering.

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A group of visitors walking in in front of the Capitol Building
Building, Infrastructure, People The Architect of the Capitol is committed to...

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Phlox subulata flowers blooming
Bill McLaughlin, Plant Curator at the U.S. Botanic Garden highlights plants...

Who We Are

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 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 Buildings.

The Senate Superintendent's Office, led by Superintendent Takis Tzamaras, PE, 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.

Find out more about the Senate Shops.

Need Assistance?

Contact the Senate Superintendent Service Center at 202.224.3141 or submit an Online Service Request (must be connected to Capitol Hill network to access link).


AOC Senate Project Updates

Other projects underway across Capitol Hill.