40 Sylvan Rd
Waltham, MA 02451
Alexandria Center for Life Science – Waltham · Office Property For Lease · 311,000 SF

Located in the prestigious Reservoir Woods East campus, 40 Sylvan Road in Waltham, MA is a premier Class A office property offering over 311,000 square feet of high-quality commercial space. This three-story building, constructed in 2009, is home to National Grid’s U.S. headquarters, reflecting its stature as a hub for major corporate tenants. The property features modern architecture, expansive floor plates, and a thoughtfully designed layout that supports both collaborative and private work environments. Tenants benefit from ample parking, including a 410-space garage and over 1,300 surface spaces, as well as proximity to major highways like I-95 and Route 2. The surrounding Reservoir Woods campus provides a park-like setting with walking trails, fitness amenities, and access to nearby retail and dining options. With its blend of functionality, location, and prestige, 40 Sylvan Road stands out as one of the most desirable office destinations in the Greater Boston area.