A laundry treating apparatus includes a housing, which includes first and second wash units within the housing. The first and second wash unit include first and second tubs, first and second drums mounted inside the first and second tubs, and first and second drive units configured to drive rotations of the first and second drums, respectively. The laundry treating apparatus also includes a valve assembly that is configured to receive tap water and that is configured to control a supply of the tap water to each of the first wash unit and the second wash unit within the housing. The laundry treating apparatus further includes at least two supply lines configured to supply the tap water from the valve assembly to at least two supply points of the second tub in the second wash unit.