CS LaSalle was founded as a youth soccer club in 1986.[1] In 2025, despite not previously having a senior program,[2] they entered semi-pro teams in the men's and women's divisions in the new Ligue2 Québec, the second tier of the Ligue1 Québec system.[3][4] On April 12, 2025, they drew 1-1 with CS Montréal Centre, in the first-ever match in the division.[5][6] At the end of the first season, the men's team won the inaugural Ligue2 title, earning promotion to Ligue1 Québec for the 2026 season.[7]