51 Sleeper Street
Boston, MA
Property Overview
Building Specs
- Building Type Lab/Office
- Building Size 153,448 SF
- Number of Floors 8
- Built / Renovated Year 1929 / 2020
- Floor Loading 150 PSF
- Electrical 12W/SF (Lab) & 6W/SF (Office)
- Elevators 3 Passengers & 1 Freight
- HVAC VRV System
About
51 Sleeper Street blends historic character with modern functionality in the heart of Boston’s Seaport District. Originally built as part of the city’s early 20th-century waterfront infrastructure, this classic brick-and-beam property has been meticulously restored to support today’s dynamic work environments. Situated just steps from Martin’s Park and the Harborwalk, the building offers a unique waterfront setting with direct access to open green space, cultural attractions, and world-class amenities. Its strategic location at the intersection of Fort Point and the Seaport places tenants within a short walk of South Station, major innovation centers, and an array of top-tier dining and entertainment options—making 51 Sleeper an exceptional address for forward-looking companies.