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Seaport Square - Block P

Neighborhood
South Boston Waterfront
Land Sq. Feet
50,000 sq ft
Gross Floor Area
591,000 sq ft
Project Description
400 Summer Street is a 16-story laboratory building designed by Morris Adjmi Architects of New York City. The approximately 591,000-square foot building will be home to Foundation Medicine, which will occupy approximately 561,000 square feet of laboratory and office space. The building will also host 30,000 square feet of neighborhood retail uses. The Project includes the construction of the Summer Steps, a public gathering place located between 350 and 400 Summer Street that will also provide a major new pedestrian connection from Summer Street to Congress Street at the southern gateway of Harbor Way, leading to the edge of Boston Harbor.

Project Phase

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  • Letter of Intent
  • Under Review
  • Board Approved
  • Under Construction
  • Construction Complete

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South Boston Waterfront Large Project