Percy C. Adams

• Name — Percy Crowley Adams • Born — 4 April 1869 • Birthplace — Randolph, New York, United States • Died — 8 September 1953 • Place of death — Washington, D.C., United States • Education — Cornell University • Practice — Averill, Hall & Adams; Averill & Adams; Upman & Adams; Allied Architects of Washington, D.C. • Significant Buildings — * Longworth House Office Building • Avalon Theater • Rixey Mansion (now Marymount University main building) • Apartment Building, 1509 16th Street NW • Auto Show Room, 1365–1367 H Street NE • Notable Works — See list • Children — 2

Adams was born in Randolph, New York where he attended Chamberlain Institute high school. He received a Bachelor's degree in Architecture from Cornell University.

Adams moved to Washington, D.C. in 1897 where worked as a draftsman for the Office of the Supervising Architect of the U.S. Treasury. He designed government buildings including post offices and courthouses. In 1909, he co-founded the architecture form of Averill, Hall & Adams, later known as Averill & Adams. The firm designed mostly residential buildings including apartment buildings and homes. Adams was awarded the opportunity to create viewing stands for Woodrow Wilson's second inauguration in 1917. Adams frequently worked with Frank Upman and, in 1924, formally established the firm of Upman & Adams. Upman and Adams designed residential homes, commercial buildings and schools. The firm designed the Rixey Mansion in Arlington, Virginia, which is now the main building at Marymount University. In 1925, Adams co-founded the Allied Architects of Washington, D.C., Inc. along with other prominent architects. While with this group, he helped design the Longworth House Office Building, a United States Congressional office building. Prior to his retirement in 1951, Adams was the oldest practicing architect in Washington, DC.

Adams had two children.

Adams died in 1953 in Washington, D.C.

• Apartment Building (1909) 1509 16th Street, NW, Washington, DC • Avalon Theater (1922) 5612 Connecticut Ave., NW, Washington, DC • Longworth House Office Building (1932) in collaboration with Allied Architects • Auto Show Room (1927) 1365-1367 H Street NE