End Cap Flex Condo Available for Lease in Tyngsboro, MA. Space consists of 9,000+/- total square feet (8,000+/- SF footprint with additional 1,000+/- SF of mezzanine space). Overhead bay doors. Approximately 19' ceiling height. Mostly open concept. Located in a Business Park with easy highway access to Rte. 3. Close distance to the Tyngsboro Retail Corridor (Middlesex Road) that leads to the Southern New Hampshire Retail Corridor and the Pheasant Lane Mall for great local amenities such as restaurants, banks, gyms and more.