Project Progress: Under Construction

About Arsenal Yards

Arsenal Mall, Watertown, MA

Approved multi-phased redevelopment and expansion of the former Arsenal Mall in Watertown’s East End. Arsenal Yards will feature 350,000 square feet of retail and entertainment, approximately 300 residences ranging from studios to three-bedrooms, a 145-room Hampton Inn and Suites by Hilton hotel and 100,000 square feet of office space. Retail at Arsenal Yards will include a 30,000 square foot specialty grocer, a cinema with 6-8 limited-seating screens, active entertainment, a combination of boutiques and national retailers, half a dozen chef-driven restaurants and a premium wine superstore.

Two existing historic buildings at Arsenal Yards will be restored and repositioned with creative architectural additions. Five new buildings will be constructed on existing surface parking lots ranging from 3 to 12 stories and 40 to 129 feet tall, including a 12-story, 129 foot tall residential tower. Over 20,000 square feet of the project site area will be reserved for green and open public space including Arsenal Park, a new park located between Arsenal Yards and the Charles River. Arsenal Yards will feature Zipcar stations, electric vehicle chargers, and the latest smart parking technology. Construction of Arsenal Yards is expected to commence in late 2017, with the development's first phase opening in Spring 2019.

Renderings of Arsenal Yards:

The Arsenal Project Renderings

Site plans of The Arsenal Project:

The Arsenal Project Site Plans

Video rendering of Arsenal Yards:

Construction Cost $400,000,000.00





Stories 12
Height (feet) 129
Start Date Sep 01, 2017
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Latest Updates

Jan 24, 2020

Foundation Work Ongoing for Building D at Arsenal Yards


Nov 24, 2019

Framing Quickly Rising for Blvd and Boston Apts at Arsenal Yards


Oct 24, 2019

Arsenal Yards Debuts New Public Art featuring Watertown-Inspired Murals to Celebrate Phase One Retail Openings



Sep 30, 2019

Gallows-Blackbird Doughnuts Hybrid Restaurant Coming to Arsenal Yards


Sep 26, 2019

Kymera Therapeutics to Relocate from Cambridge to Watertown Biotech Cluster


Aug 19, 2019

Steel Framing Kicks Off For Blvd and Bond Apts at Arsenal Yards


Jul 02, 2019

Construction Begins for Hampton Inn at Arsenal Yards


Jun 12, 2019

Fit-out Permit Issued for Arsenal Yards Majestic Theater


Apr 12, 2019

New Parking Garage at Arsenal Yards Nearing Completion: Expected Opening in June


Feb 19, 2019

Life Sciences Building Planned for Arsenal Yards


Jan 16, 2019

Cell therapy company SQZ Biotech has signed a 63,477 square foot lease at Arsenal Yards.


Dec 18, 2018

Foundation Work Continues for Hotel/Parking Garage at Arsenal Yards


Oct 24, 2018

Boylston Properties and The Wilder Companies proudly announced today that Shake Shack will join Arsenal...


Oct 19, 2018

Watertown's Arsenal Yards Revamp in Full Swing


Jul 17, 2018

The Arsenal Yards development in Watertown has received an addition $102 million in financing totaling...


Jun 07, 2018

Arsenal Yards Mortgaged for $222 Million


Apr 27, 2018

Arsenal Yards Announces New Key Tenants


Apr 08, 2018

Phase 4 plans to be discussed with community


Apr 23, 2017

Hotel added to Arsenal Yards development in Watertown


Jan 17, 2017

Watertown unanimously approves Arsenal Yards development, construction start imminent


Sep 05, 2016

Arsenal Mall owners propose dynamic mixed-use mall redevelopment


Latest Press Releases

Arsenal Street Vision Includes Shopping, Dining, Entertainment, Residences

Thursday, Jan. 12, 2017 - WATERTOWN, MA – The Watertown Planning Board yesterday gave a 5-0 vote of approval to Arsenal Yards, a vibrant new development with a mix of uses at the former Arsenal Mall in Watertown being planned by Boylston Properties and The Wilder Companies.

Arsenal Yards, a name recalling the proud part this East End of Watertown played as commercial hub over almost two centuries, is a redevelopment and expansion of the former Arsenal Mall, more recently known as The Arsenal Project. The mixed-use development will feature 350,000 square feet of retail and entertainment, about 500 residences, and 100,000 square feet of existing office space.

After 90 minutes of discussion and comment by Planning Board members, Watertown Planning staff, Town Council members, and many neighbors and residents of the area, the Board approved a Special Permit for the Arsenal Yards master plan. Boylston Properties and The Wilder Companies plan to begin construction in six to eight months.

Discussion at the last night’s meeting focused on the considerable tax benefits, shopping and entertainment opportunities, and additional housing that Arsenal Yards will bring to the town.

Town Council Member Vincent J. Piccirilli, Jr. noted that planning by the Town and the development team to revitalize this area and improve a portion of East Watertown has been going on since 2009. “It has been a long process,” he said just before the vote. “This will transform the area … for the 21st century.”

Arsenal Yards will feature eclectic and authentic retail, locally curated shopping and dining opportunities, comfortable open spaces, a specialty grocer, a cinema and entertainment lounge, and many other attractive amenities, designed as a neighborhood hub with residents of Watertown and neighboring communities in mind.


“This new community in Watertown’s East End will bring vibrancy of the city and an urban energy along with the convenience and green spaces of a suburb,” Bill McQuillan, Principal of Boylston Properties, said. “We’ve worked with Watertown residents and officials to bring a unique constellation of uses with today’s busy families and individuals in mind.”

Arsenal Yards, established in 1816 by the U.S. Army as an ordnance depot and small arms factory, served multiple defense functions over the years and ceased operations in 1968. The complex underwent conversion into a covered shopping mall with acres of open parking in the early 1980s.

Handsome historic portions of the original manufacturing complex will be retained, with creative architectural additions, respectful restoration, and sustainability as priorities. The architect for Arsenal Yards is Prellwitz Chilinski Associates, Inc. of Cambridge.

It will be welcoming and highly accessible for bicyclists and pedestrians but have sheltered parking for those who drive or live there.

The creators and developers of Arsenal Yards are investing millions of dollars in infrastructure improvements to transform the extensive paved surfaces and aging intersections. The improvements will include the city’s own Arsenal Park, an adjacent space with greater potential for public enjoyment located between the development and the Charles River. A town-led group will be formed soon to work with the development team to create a reimagined Arsenal Park that will suit the town and all its intended users.

With housing in the region, including Watertown, in short supply, Arsenal Yards will create 428 new market-rate residences and 75 affordable apartments.

A destination, not a mall, and unlike any other retail destination in the region, it will have half a dozen chef-driven restaurants, a specialty grocery, a premium wine “superstore,” a cinema with 6-8 limited-seating screens, active entertainment, and a combination of boutiques and national retailers. Arsenal Yards will feature Zipcar, EV chargers, and the latest in “smart parking” technology.

The completed project, over phases, will contribute significantly to Watertown’s tax base, approximately doubling the tax revenue from the current amount paid to the town.

For more information, please go to or .


Boylston Properties is a 34-year-old Boston-based developer of urban mixed-use projects including retail, residential, hotel, office, and research buildings. The company draws upon urban and suburban development experience on its own or with partners in the Northeast U.S. markets, many in the Greater Boston area. Boylston Properties has recently opened the 150-room Marriott Residence Inn Boston Watertown and is developing LINX, 185,000 square feet of office space, both near Arsenal Yards. For more information, please go to



The Wilder Companies is a Boston-based real estate development, management, and leasing firm specializing in the positioning of retail properties. Privately held and owner managed, Wilder’s mission has been and continues to be to create vibrant shopping places that meet and exceed the expectations of customers, retailers, and investors. From lifestyle centers, urban properties, and community centers to mixed-use developments and super-regional malls, The Wilder Companies has developed, managed, and leased more than 20 million square feet of retail properties throughout the United States and Puerto Rico. The company continues to have a diverse portfolio of properties throughout the East Coast. For more information, please go to .

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