320 Summer Street

Neighborhood

South Boston Waterfront

Address

320 Summer Street

Land Sq. Feet

18,821 sq ft

Gross Floor Area

130,100 sq ft

Contact

Dylan Norris

Project Description

The proponent seeks to renovate, convert and expand the interior space within long-existing and combined brick and beam buildings at the site, by changing its legal use from commercial office to residential multifamily housing, with ground floor retail, and the construction of a partial mezzanine level to accommodate loft-style residential units. The project’s scope is limited to interior work within the combined buildings at the site, with no expansion to its existing footprint or façade. Specifically, and as part of the City’s Downtown Office to Residential Conversion Pilot Program (the “Pilot Program”), the project would create up to 145 residential dwelling units in approximately 130,100 square feet of GFA, including ground floor retail of approximately 7,500 SF on A Street, approximately 2,398 SF of amenity space on its main level along Summer Street, and ample on-site bicycle storage. An existing roof deck of approximately 425 SF will be improved with accessibility accommodations for residential usage. Pursuant to the City’s Inclusionary Zoning requirements for its participation in the Pilot Program, the project would also create onsite income-restricted housing units.

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Comment period ends May 07, 2026. To submit a comment in a language besides English, please email [email protected].

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Submit Your Comments

Comment period ends May 07, 2026. To submit a comment in a language besides English, please email [email protected].

This form includes some optional demographic questions. Completion of these questions is not required. The City of Boston is committed to equity and inclusion, and the provided demographic information will help ensure that we reach the range of different people who live in our community.