20 Walnut is a four story, multi-tenant office building that is strategically situated near the junction of Routes 16 and I-95 (Route 128). It offers first quality office suites, many with attractive Charles River views and also provides quick and easy access to and from all major highways west of Boston. The building has a two story garage with covered lower level. There are many amenities situated close to the building; such as banks, a post office, many restaurants, and other service establishments.