Visitor Parking Areas Waumbec Mill has free visitor parking on both sides of the building in designated parking spots. Metered city parking is also available on Commercial Street. Commercial Street, Center Entrance Visitor Parking is just to the right on the Center Entrance. Proceed into the lobby and up to the 2nd floor. Once on the second floor proceed to the right, or north, and M&Co. will be just a few doors down on the left. Riverside Entrance Visitor Parking is available between the building and the river. Proceed into the lobby and take the elevator to the 2nd Floor. Once out of the elevator proceed strait ahead to the main hallway, take a right and M&Co. will be on your right.