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 opened in the area, named Terrasse-Vaudreuil, reflecting its location on Lake of Two Mountains and its view towards Vaudreuil Bay and the town of Vaudreuil. During the 1950s, residential development rapidly increased in the area.