He learned the construction business from his father and grandfather, eventually starting his own company in 2005.
Georgia House of Representatives In 2012, Barr declared his candidacy for a seat in the 103rd district in the
Georgia House of Representatives. He defeated Ken Russell in the primary election and won the seat unopposed in the November general election. During the 2019–2020 legislative session, Barr served as secretary of the House Small Business Development Committee and chair of the House Code Revision Committee.
2022 congressional election On May 14, 2021, Barr declared his candidacy for
Georgia's 10th congressional district in the
2022 election. ==Personal life==