 Laframboise was mayor of Saint-Hyacinthe from 1857 to 1860.In 1858, he was elected in Bagot as a member of the Parti rouge; he was reelected in 1861 and 1863.He was named to the Executive Council in 1863 as commissioner of Public Works; as was required at the time, he was elected in a by-election that same year for the same seat after being named to the cabinet.