In 1948, its post office opened under the name Terrasse-Vaudreuil, in reference to its location on Lake of Two Mountains and its view towards Vaudreuil Bay and the town of Vaudreuil. In the 1950s, it began to see rapid residential development.
In 1948, a post office was established at Terrasse-Vaudreuil, named after its location on Lake of Two Mountains and its view towards Vaudreuil Bay and the town of Vaudreuil. The rapid growth of residential development was observed in the 1950s in this area.