National Lumber 33 Mason St 6:30 AM - 5:00 PM 6:30 AM - 5:00 PM 6:30 AM - 5:00 PM 6:30 AM - 5:00 PM 6:30 AM - 5:00 PMClosed Today Closed Today 33 Mason St Salem, MA 01970 USphone(978) 744-8800(978) 744-8800ServicesCustom Prefabrication, Design, Engineering, Insulation Installation, Job Quotes, Millwork Manufacturing, Pneumatic Tool Rentals, Power Tool Rentals, Professional Paint Specifications, Truss Manufacturing, Turn-Key Framing, READY-FRAMEGet DirectionsVisit Store Website