Project Progress: Project Approved

40% Complete (success)

About 105 West First Street

South Boston, Boston, MA 02127

Approved seven-story, 250,000 square foot research and development (R&D) office building that will be located on a 42,219 square foot site in South Boston across from A Street Park steps to the Channel Center development and the Broadway MBTA Red Line station.

The building will contain office, research, and development space, as well as ground-floor retail fronting West First Street, community, shared work or technology incubator space fronting West Second Street, convener space and tenant amenities. A roof deck will be located on the building's top floor.

As part of the 105 West First Street project, a new pedestrian corridor will be constructed linking West Second Street to West First Street; both streets are currently separated vertically by 12 feet. A 35-space vehicle parking garage will be located underneath the building; the existing Channel Center Garage is located adjacent to the project site. A first-floor bicycle storage room will contain approximately 120 bicycle parking spaces. An additional 20 outdoor bicycle spaces will be provided.

An existing building on the project site leased to RCN will be demolished. Construction of the proposed office building will commence within 60 days of when RCN vacates the site and will last approximately 22 months, pending finalization of financing and leasing commitments.

The following are renderings of 105 West First Street:


105 West First Street Renderings

Square Feet 266,000



Stories 7
Height (feet) 102

Latest Updates

105 west first street ares management

Apr 13, 2018

Ares Management Acquires 105 West First Street


105 west first street proposed new office building space south boston fort point cv properties stantec

Jun 15, 2017

105 West First Street, new 250,000-square-foot office building, approved in South Boston


Screen shot 2017 04 08 at 10.01.41 pm

Apr 09, 2017

Plans revised for proposed 105 West First Street office development in South Boston


105 west first street proposed new office building space south boston fort point cv properties stantec

Jan 31, 2017

8-story office building proposed near Broadway Station


105 west first street south boston proposed research development office building cv properties

Dec 22, 2016

266,750 square foot R&D office building proposed in South Boston


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