He was first elected as the MPP for Leeds–Grenville in a by-election on March 4, 2010 held to replace Bob Runciman who resigned to accept a position in the Canadian Senate. He was easily re-elected in 2011 and in 2014 both with large pluralities. In 2018, he was elected as the MPP for the riding of Leeds–Grenville–Thousands Islands and Rideau Lakes. In 2018, he was appointed as the Minister of Municipal Affairs and Housing by Premier Doug Ford.
