Architect of the Capitol

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

Projects

We 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

Stories

New & Noteworthy

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

Public Notice

FY 2024 Performance and Accountability Report Available Online

The PAR offers an assessment of the priorities, accomplishments and financial accountability for fiscal year 2024. Capitol Highlights, infographics, charts, tables and photographs provide additional insight into the AOC's mission and performance.

Behind the Scenes

The People's Gardens

Take a stroll through our pictorial tour to experience the beauty of these unique garden beds and meet a few members of the jurisdiction's Gardening team that work hard year-round to keep the Capitol campus looking beautiful.

Public Notice

Oklahoma Survivor Tree Dedicated on U.S. Capitol Grounds

Located in Capitol Square, just west of the Summerhouse.

Behind the Scenes

Hanami on the Hill: Cherry Blossom Season on U.S. Capitol Grounds

Nestled on the grounds of the U.S. Capitol, these trees stand as a symbol of renewal and spring. A few of the oldest recently received some unique preservation care.