Architect of the Capitol | United States Capitol | Stewards of the iconic buildings and grounds of Capitol Hill since 1793.

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Renewing the Cannon Building

The oldest congressional office building (dating back to 1908) is being modernized.

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Celebrating Women's History Month

At the Architect of the Capitol, approximately 25 percent of the workforce are women who participate in a broad variety of jobs on the Capitol campus.

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Preserving Stone & Metal

Stone preservation across Capitol Hill is a top priority.

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SERVE

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

Architecture	Electrical	Engineering	Gardening	Maintenance Mechanics
Masonry	Painting and Plaster	Plumbing	Sheet Metal	Woodcrafting

PRESERVE

Crypt

Crypt

This center section of the building was completed in 1827 under the direction of the third... More »

The Hall of Columns takes its name from the 28 fluted, white marble columns that line the corridor.

Hall of Columns

The capitals in the Hall of Columns are a variation on the Corinthian order, incorporating not only... More »

INSPIRE

Preservation Day - Save the Date! Friday, September 23, 2016

Preservation Day Celebration at the U.S. Capitol

When the 89th United States Congress passed the National Historic Preservation Act of 1966, it... More »

The restored Capitol Dome.

Capitol Dome Successfully Restored

This morning, Architect of the Capitol Stephen T. Ayers, FAIA, LEED AP, announced that the first... More »