 When she won a seat in the U.S. Congress in 2014, she formally resigned her seat in the Virginia House of Delegates and a special election was called to replace her.She was succeeded by Democrat Kathleen Murphy, who had been her opponent in 2013.On January 7, 2014, Comstock announced her candidacy for the U.S. House of Representatives from Virginia's 10th District, following the announcement that incumbent Frank Wolf would retire at the end of the 113th Congress.