5 Middlesex Avenue is a 246,508 square foot, four-story office building situated within the Assembly Square Office Park in Somerville, Massachusetts. This property boasts an exceptional location adjacent to Assembly Row, a vibrant, mixed-use development offering over 800,000 square feet of retail, dining, services, and lifestyle amenities. The building benefits from excellent transit accessibility, being just a short walk from the MBTA Orange Line’s Assembly Station, and offers immediate access to I-93, providing direct connectivity to downtown Boston and the greater metro area.