9 Chelsea Street

Neighborhood

East Boston

Address

9 Chelsea Street

Land Sq. Feet

18,802 sq ft

Gross Floor Area

58,383 sq ft

Contact

Daniel Polanco

Project Description

The Proposed Project consists of a new six-story, mixed-use residential building containing approximately 81,561 gross square feet, 109 residential rental units, and approximately 2,875 square feet of ground floor retail and commercial space, together with widened sidewalks, open space, and related site and building amenities. The 109 residential units are proposed to be a diverse mix of types including: 16-two-bedroom, 34-one-bedroom and 59-studio units. The first floor will provide amenity space for residents to utilize in accordance with Planning Department policy, and a 3,279 square foot rooftop deck for residents. No basement space will be provided.

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Comment period ends Mar 20, 2026. To submit a comment in a language besides English, please email [email protected].

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Please enter your email to sign up for Neighborhood updates

Submit Your Comments

Comment period ends Mar 20, 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.