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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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Photo of Capitol Hill steps.
Download a PDF of the full list.

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The aromatic aster (Symphyotrichum oblongifolium) in bloom at the National Garden
See what is in bloom at the U.S. Botanic Garden.

Who We Are

Capitol Building Superintendent's Office

Capitol Building Superintendent's Office

West Olmsted terrace application and removal of poultice to clean marble.

The Capitol Building jurisdiction is entrusted with the care and stewardship of the U.S. Capitol, one of the most iconic and historically significant buildings in the world and the centerpiece of the Capitol campus. The jurisdiction is responsible for carpentry, construction, custodial, electrical, elevator, heating and air conditioning, insulation, labor, masonry, painting, plumbing and sheet metal services. The jurisdiction also manages a flag office and supports special events. The jurisdiction also provides support for programs related to occupational health and safety, sustainability and recycling, energy management and fire detection and protection management, and manages the facility maintenance at the Capitol Visitor Center (CVC).

The Capitol Building Superintendent's office is comprised of a number of shops that include carpentry, electrical, elevator, labor, heating, ventilation, air conditioning, refrigeration, masonry, painting and decorating, plumbing, and sheet metal division, and flag office. These skilled tradespersons and laborers work behind the scenes providing services that include: ensuring a safe and comfortable indoor environment; preserving historic structures; flying flags over the Capitol; and special events set-up.

Services available through the Capitol Service Center:

  • Furniture and cabinet installation
  • Leveling of document displays
  • Keys and lock-out service
  • Heating and air conditioning
  • Cleaning and trash removal
  • Recycling
  • Plumbing and electrical
  • Special events set-up
  • Office and decorative painting
  • Pest Control

Need Assistance?

Contact the Capitol Service Center at 202.228.8800 or submit an Online Service Request (must be connected to Capitol Hill network to access link).

Monday–Friday
6 a.m. – 11 p.m.*
(*Will remain open if Congress is in session.)

Saturday–Sunday
8 a.m. – 4:30 p.m.


AOC Capitol Project Updates

Other projects underway across Capitol Hill.