Cosmos 3 Condos Vaughan is a new condo project by Liberty Development Corporation and is currently in preconstruction. The new development will be located at Highway 7, Vaughan ON L4K. It is in city of Vaughan. Cosmos 3 Condos is 36 storey building with 396 number of units. Sales of Cosmos 3 Condos From $264,900 CAD.