Condit was born in Orange, New Jersey and after attending public schools he then studied medicine. Condit went on to serve as a surgeon in the American Revolutionary War. He became one of the founders and a trustee of the Orange Academy in 1785. Condit was a member of the New Jersey State general assembly from 1788 to 1789. Then was elected as a Democratic Republican to the Sixth and Seventh Congresses (March 4, 1799 to March 3, 1803). Next, Condit was appointed as a Democratic Republican to the United States Senate to fill the vacancy in the term beginning March 4, 1803, caused by the failure of the legislature to elect; subsequently elected and served from September 1, 1803, to March 3, 1809; again appointed to the United States Senate to fill the vacancy caused by the resignation of Aaron Kitchell; subsequently elected and served from March 21, 1809, to March 3, 1817; elected to the Sixteenth Congress and served from March 4 to November 4, 1819, when he resigned to accept a Treasury position; appointed assistant collector of the port of New York 1819-1830; died in Orange Township, New Jersey, May 4, 1834; interment in the Old Graveyard, Orange, Essex County, New Jersey.

Preceded by: Aaron Ogden U.S. Senator (Class 1) from New Jersey 1803-1809 Served alongside: Jonathan Dayton, Aaron Kitchell Succeeded by: John Lambert Preceded by: Aaron Kitchell U.S. Senator (Class 2) from New Jersey 1809-1817 Served alongside: John Lambert, James J. Wilson Succeeded by: Mahlon Dickerson This article incorporates facts obtained from the public domain Biographical Directory of the United States Congress.