Beacon Capital proposes another 10-story Seaport lab building

By Greg Ryan • Published February 23, 2024 • Updated on February 23, 2024 at 4:50 pm

A rendering of the proposed 4 Harbor St. lab building from Beacon Capital Partners.

Beacon Capital Partners is seeking to put a second lab building on Harbor Street in Boston’s Seaport District.

The real estate firm notified the Boston Planning and Development Agency last week that it wants to build a 10-story, 321,000-square-foot property in the Raymond L. Flynn Marine Park, next to a similarly sized lab building set to wrap up construction in the next few months.

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