A riding mower is provided with a mower assembly supported on a vehicle body frame between front wheels and rear wheels. A steering assembly is configured to be operated by a driver. A driver seat is supported on the vehicle body frame. A floor panel extends from an area including the driver seat toward the front. The floor panel is provided with a main panel located in front of the driver seat, as well as left and right footrests extending further forward from the main panel. A recessed portion is formed on at least one side edge of the floor panel and includes a side edge dropoff point.