Featured

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

Featured

Ten Steps to Energy Savings and Sustainability for your Office
The Architect of the Capitol’s Legacy of Sustainability began with the setting...

Featured

Black and white photograph of Union Troops lined up in front of the Capitol in 1861
Weekdays at 3 p.m. — In honor of the 150th Anniversary of the Civil War, a...

Who We Are

Capitol Building Superintendent's Office

Capitol Building Superintendent's Office

AOC staff from the Capitol Sheet Metal Shop make repairs on the roof of the Capitol.

The Architect of the Capitol (AOC) Capitol Building Superintendent's Office, led by Mark Reed, is responsible for the day-to-day structural, mechanical and domestic care of the Capitol Building and the Capitol Visitor Center.

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.