56 Mill St Prime commercial space offering 1, 500 sq ft with 10-ft ceilings, a garage, four additional parking spaces, a private office, and restroom. The main floor features a wide-open warehouse or production area with impressive ceiling height perfect for storage, equipment, or customized buildouts. Abundant natural light and clean lines create a flexible workspace that can easily adapt to a variety of operational needs. The property also includes built-out private office space, providing turnkey options for administration, client meetings, or a quiet workspace while preserving the open floor area. Ideally suited for contractors, plumbers, electricians, HVAC professionals, and other skilled trades, or for a growing business seeking to establish itself in one of Belleville, New Jersey's most active commercial corridors. Available for immediate occupancy.