Our Work

A Tradition of Ingenuity

Our work inspires a nation. We are the artisans, historians, and craftspeople who preserve and maintain the landmark buildings, monuments, art and grounds of the Capitol campus.

Buildings & Grounds

The Capitol campus is made up of more than 18.4 million square feet of facilities, and 570 acres of grounds.

Discover the Campus


We must ensure every visitor to Capitol Hill experiences the grandeur of these historic treasures at their very best.

Our Work

Art & Artists

We are responsible for the care of thousands of works of historical art.

View the Collection


New & Noteworthy

Delve deeper into the stories behind the people, art, history and grounds that make up the Capitol.

Public Notice

U.S. Capitol Cherry Blossoms Map

On the U.S. Capitol campus, the AOC Capitol Grounds and Arboretum crew cares for groups of both Yoshino and Japanese flowering cherry trees.
History & Discoveries

Remembering a Law Librarian Who Forgot Nothing

John F. N. Wilkinson, who served as the Assistant Law Librarian, was known for his memory of over 80,000 books that enabled him to retrieve the correct one with "the precision of a Swiss bell-ringer."
A talented employee of an Architect of the Capitol sheet metal shop.


Skillful Craftmanship

We serve in diverse roles applying both modern techniques and historical tradecrafts in the care and preservation of the Capitol campus.

Areas of Expertise