 Oetwil am See is first mentioned in 847 as "Uttinwilare".Between 1909 and 1949, Oetwil am See was connected to Uster by the Uster–Oetwil tramway and, between 1903 and 1950, to Wetzikon and Meilen by the Wetzikon–Meilen tramway.The two lines met at Langholz, in the south of the municipality.