He represented the 2nd district, made up of parts of Prince William and Stafford counties in Northern Virginia.

Previously, he served 2005–2011 on the Stafford County Board of Supervisors, representing the Garrisonville district.

[2] When the 2nd House district was moved to his area by redistricting, Dudenhefer was unopposed as the Republican nominee for the seat.

[8] In November 2015, Dudenhefer reclaimed the seat he lost in 2013, narrowly winning against Democrat Joshua King.

[10] The next month, he announced he would run for his old seat on the Stafford County Board of Supervisors against Democratic incumbent Laura Sellers.