• Ws


Total Square Footage 9,803,950
Total Dollar Volume $1,020,721,000.00


Established 1981
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Phone Number 617-232-8900

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One of the largest privately owned retail development firms in the United States, WS Development develops, owns, manages, and leases an extensive portfolio of over 88 properties totaling more than 20 million square feet and 4 million under development. The company is based in Chestnut Hill, MA. 


Seaport Square Parcel P
- Jul 18, 2019

WS Development Plans to Begin Construction on 400 Summer St. Later This Year At yesterday's NAIOP Seaport by Foot Tour event, Yanni Tsipis of WS Development discussed a few of his firm's upcoming projects in Seaport Square. With work underway for Amazon's future home at Seaport Square Block L4, WS expects to begin construction on Parcel P next, later this year. Parcel P, or 400 Summer Street, will include over 600,000 square feet of lab space and is aesthetically designed to connect Fort Point's industrial style with The Seaport. As part of the 400 Summer Street project, WS will be building a new connection between Summer and Congress Streets. These gorgeous new stairs will include public space and allow for a much more pleasant pedestrian connection than the current A Street Stair option.    

Seaport Square Block L4
- Jun 13, 2019

Seaport Square Block L4 Financed for $435 Million The project at Seaport Square Block L4 has been financed via Citizens Bank for $435 million. The upcoming project consists of a 17 story retail and office building to be constructed on a 1.63-acre parcel in Boston's Seaport Square. The 525,000 square foot building will feature 81,000 square feet of retail space on the first two levels accompanied by 444,000 square feet of office space on the upper 15 levels.

Seaport Square Block L4
- May 30, 2019

WS Development Officially Breaks Ground on New Amazon Office Space on Seaport Square Block L4 Governor Baker & Mayor Walsh were on hand earlier this week for the groundbreaking ceremony for WS Development's newest Seaport Project, 111 Harbor Way (Block L4). While construction has been underway for a few months, WS took the opportunity to officially break ground on the upcoming 17-story, 525,000 square foot project. Amazon will be expanding into 430,000 square feet of new office space at the building, creating 2,000 high-tech jobs, in fields including machine learning, speech science, cloud computing, and robotics engineering. Michael Touloumtzis of Amazon told the crowd Amazon continues to expand in Massachusetts partly due to the strong talent pool here and his team is excited to expand into the high-tech new space sometime in 2021. Yanni Tsipis of WS Development touched on the importance of the project in expanding the public realm with an emphasis on green space. Harbor Square Park will be a focal point of the future Harbor Way, a 1/3-mile public promenade that will connect Summer Street to the water’s edge – a plan conceived of by the world-renowned landscape architecture firm James Corner Field Operations, possibly best known for their work on Manhattan’s High Line.   The event which featured mini-lobster rolls, steel drums, and some delicious Taiyaki Ice Cream was capped off with the firing of confetti cannons. Photos courtesy: Michael Blanchard

Seaport Square Block L4
- May 23, 2019

WS Development & Amazon to Break Ground on Tuesday in the Seaport Seaport will usher in its next exciting wave of development with the groundbreaking of 111 Harbor Way (Block L4 of the Boston Seaport project), home to Amazon’s new office in the heart of the Seaport neighborhood. Attendees will include Governor Baker, Mayor Walsh, the WS Development team and representatives from Amazon. Slated for completion in 2021, the building is a central component of WS Development’s Boston Seaport project, the largest single real estate endeavor in city history, spanning 23 acres across 20 city blocks. 111 Harbor Way is a 525,000 square foot, 17-story building with two stories devoted to retail and restaurant uses. Last year, Amazon announced it would expand its Boston Tech Hub and create an additional 2,000 high-tech jobs, in fields including machine learning, speech science, cloud computing, and robotics engineering. To accommodate the new job creation, Amazon will be expanding into 430,000 square feet of new office space at 111 Harbor Way. WS Development chose esteemed architectural firm Gensler to envision and design the tower. In a collaboration between its Boston and San Francisco offices, Gensler respected the authentic industrial context of the Seaport, creating a building that has a timeless aesthetic and a highly articulated expression. The building’s design emphasizes human-focused elements, including outdoor terraces on alternating floors and the Paseo, a street-level interior public promenade lined with shops, cafes, and a welcoming central amphitheater. The Paseo will lead pedestrians to Harbor Square Park, a one-acre public space being constructed concurrently with the building, which will expand the public realm in the Seaport and create a vibrant new open space hub for the Seaport. Harbor Square Park is a focal point of the future Harbor Way, a 1/3-mile public promenade that will connect Summer Street to the water’s edge – a plan conceived of by the world-renowned landscape architecture firm James Corner Field Operations, possibly best known for their work on Manhattan’s High Line. The park will create a hub of community activity across all seasons, hosting hundreds of public events annually including art and music performances, markets, and a public winter skating rink.

Seaport Square Block L4
- May 02, 2019

Construction Ongoing for Underground Garage at Seaport Square Block L4 Construction is ongoing for the 2-story below grade parking garage that will sit below the upcoming office building on Seaport Square Block L4. The garage foundation slurry walls will be constructed on two sides, north and east and will serve as temporary earth support during construction. There will no foundation wall on the west and south sides of the project as the garage is intended to connect to future phases of development. Above the garage a 17 story retail and office building to be constructed. The 525,000 square foot building will feature 81,000 square feet of retail space on the first two levels accompanied by 444,000 square feet of office space on the upper 15 levels. The office space will be the future home of around 2,000 Amazon employees.

Seaport Square Block L4
- Jan 15, 2019

Construction Underway at Seaport Square Block L4 Initial site work is underway at Seaport Square Block L4, the future headquarters of Amazon's Boston Office. The project consists of a 17 story retail and office building to be constructed on a 1.63-acre parcel in Boston's Seaport Square. The 525,000 square foot building will feature 81,000 square feet of retail space on the first two levels accompanied by 444,000 square feet of office space on the upper 15 levels.  

The Benjamin & VIA
- Sep 06, 2018

The Benjamin & Via Refinanced for $468 Million The Benjamin & Via in Boston's Seaport District has been refinanced for $468 million via American General Life Insurance Company. The Benjamin & VIA encompass Boston’s largest mixed-use project in over 30 years, spanning 1.5 million residential and retail square feet over three acres of land. Located in the heart of the Seaport District, The Benjamin (22 stories tall) and VIA (20 stories tall) are built to the highest standard of modern luxury and feature sweeping Boston skyline and Boston Harbor views

Seaport Square
- May 01, 2018

Amazon to lease office space overlooking Seaport’s future Harbor SquareTuesday, May 1st, Amazon has announced confirmation of their lease for approximately 430,000 square feet of office space at a planned office building overlooking the Seaport District’s future Harbor Square public park. Approximately 2,000 Amazon employees would work in Amazon’s new space. Amazon’s lease would fill the planned building, located on Seaport Square Parcel L4 at the corner of Autumn Lane and East Service Road next to Skanska’s new 121 Seaport office tower, entirely. The building would also include approximately 81,000 square feet of retail and neighborhood amenities on its’ first two floors.Construction of the Parcel L4 building is expected to commence by the end of 2018, with completion expected in 2021. Amazon would also be given an option to lease additional space at a planned building located across Harbor Square on Seaport Square Parcel L5, at the corner of Congress Street and Boston Wharf Road. The option would expire at the end of 2020 and require Amazon to employ at least 2,000 additional people in Massachusetts.Amazon’s Seaport office is independent of the company’s search for a second headquarters, for which Boston is one of 20 finalists. Amazon currently employs approximately 1,200 people at its’ office at 101 Main Street in Kendall Square and will employ 900 more at a new 150,000-square-foot office at 253 Summer Street in Fort Point, steps from the company’s planned Seaport office, opening later this year.The company's teams in Boston work on Alexa, Amazon Web Services, and Audible.

The Benjamin & VIA
- Mar 27, 2018

L.L.BEAN CELEBRATES GRAND OPENING OF ITS FIRST URBAN STORE AT ONE SEAPORTNew England neighbor brings the joy of the outdoors to Boston April 6 March 27, 2018 – Boston, MA – New England outdoor retailer L.L.Bean, best known for its L.L.Bean Boots and world-class customer service, announced the grand opening of its very first urban retail store at One Seaport in Boston on April 6 at 9 a.m. The 8,600-square-foot store will feature an assortment of active and casual apparel, outerwear and footwear, as well as a variety of outdoor gear curated specifically for residents and visitors of Boston. The grand opening celebration will begin on Friday, April 6 and go through Sunday, April 8. Everyone is invited to the three-day event featuring giveaways, games, a weekend block party, L.L.Bean’s famous Bootmobile and more. For more information about L.L.Bean’s One Seaport store and the grand opening event, including a detailed schedule of events, visit http://www.llbean.com/seaport

Amazon to Receive $5 Million Tax Break
- Mar 20, 2018

Boston gives Amazon $5 Million tax break for 2,000 jobs in Seaportvia Boston Globe's - Tim LoganA key city agency Thursday night gave the green light to $5 million in tax breaks for Amazon’s planned expansion in the Seaport.The Boston Planning & Development Agency board voted 5-0 to approve the incentives — to be awarded over 15 years — if the e-commerce giant creates 2,000 jobs by 2025 and leases most or all of a new office building planned at Seaport Square along Congress Street. Under the deal, Amazon could collect a second $5 million if it takes two buildings and adds 4,000 jobs.The vote is a step forward for an 18-story, 511,000-square foot office building that would house Amazon’s biggest office yet in Boston. But it’s not a done deal. Amazon has not signed a lease, and state tax incentives may yet be on the table as well.Blue-chip companies have flocked to new buildings in the Seaport in recent years, and most have not received any city tax breaks to do so. Amazon, however, is bringing more jobs than most, and city officials are eager to build a relationship with the fast-growing retail behemoth.“We’re really excited about this particular tenant,” said Jonathan Greeley, director of development review at the BPDA. “We’ve been judicious in awarding tax breaks. We are very pleased to be having this dialogue with Amazon.”Amazon is also talking with Boston about putting its so-called second headquarters here. Boston and Somerville are among the 20 finalist regions for the massive campus, known as HQ2, which could someday employ up to 50,000 people, and Amazon officials visited last week to look at potential sites in the region. Neither city nor state officials have publicly discussed any potential subsidies for that project. Other states in the mix are readying incentive packages worth multiple billions of dollars.Both the company and the Walsh administration say the company’s Seaport expansion is separate from the H2Q project and aims to meet Amazon’s need for its anticipated growth in Boston. Amazon employs more than 1,200 people at offices in Cambridge and Boston and is getting ready to open a new office in Fort Point with room for 900 new workers.The company is in line to lease the entire Seaport building, on which construction could start this summer, and would have an option for a second building next door. Amazon has confirmed that it is looking for space to grow in Boston, but otherwise declined comment on the deal. WS Development, which is building Seaport Square, has also declined to comment.Even after the tax breaks, the building will pay far more in property taxes than the parking lot on the site does today, Greeley said, and Boston will add 2,000 well-paying jobs. Amazon will also work with the city on technology job-training programs. And, Greeley said, the deal will help cement the company’s growing presence in Boston.“We’re excited that they’re considering a dramatic expansion here,” he said. “This will enable them to do that.”

The Benjamin & VIA
- Oct 26, 2017

Boston’s newest luxury nightclubs open at The Benjamin in Seaport District The Grand and Scorpion Bar, two exciting new nightclubs spearheaded by local nightlife venue proponent Big Night Entertainment Group, have opened on the ground floor of The Benjamin new-construction apartments in the Seaport District, the latest development in the Seaport’s transformation into Boston’s hottest nightlife destination. The Grand opened Wednesday night with a sold-out show headlined by EDM artist Hardwell, and will host two more opening shows Friday and Sunday nights featuring R3HAB and Steve Aoki, respectively. Scorpion Bar will host its’ opening party tonight, featuring former Kiss 108 radio personality DJ Costa. The Grand meshes glamour, sophistication and high energy, featuring an expansive dance floor, an open glass staircase, custom marble tables, hand-blown glass chandeliers and a 70-foot LED wall. The club will provide a full VIP experience, with stadium VIP bottle seating and VIP bars. The Grand will operate Friday, Saturday and Sunday nights from 10 PM to 2 AM, and will be available for events all week long. Scorpion Bar will be a unique blend of a traditional Mexican tequila cantina and a rock bar, with a Mexican-inspired food and cocktail menu including over 100 tequilas and scorpion dancing. The venue will be open daily from 12 PM to 10 PM, with the bar open Sunday to Wednesday from 12 PM to 12 AM and Thursday to Saturday from 12 PM to 2 AM. Big Night Entertainment Group, proponent of The Grand and Scorpion Bar, also owns and operates nightlife venue Empire Restaurant & Lounge across from The Benjamin on the ground floor of One Marina Park Drive, and will open a new venue in the first phase of The Hub on Causeway in Bulfinch Triangle, which is on schedule for completion in late 2018. The Grand and Scorpion Bar help fill the void left in Boston’s club scene by the closing of Big Night Entertainment Group’s The Estate, a mega-nightclub located in the Theater District, in 2015. Other retail now open at The Benjamin and its’ sister building VIA’s 250,000 square feet of retail includes fitness center Equinox, Seaport Barbers and men’s clothing store Bonobos. A third nightlife venue, Kings Dining & Entertainment, will open on the ground floor of VIA this coming Monday, October 30th. The two buildings feature a total of 832 luxury apartment residences. The following is a rendering of The Grand and Scorpion Bar at The Benjamin:

The Benjamin & VIA
- Sep 20, 2017

Treviicos constructs slurry wall foundation of The Benjamin & VIA, newly opened Seaport District landmark development Locally-based ground improvement expert Treviicos played an instrumental part in the recent completion of The Benjamin & VIA, two exclusive mixed-use towers in Boston's Seaport District featuring 832 modern apartment residences and 250,000 square feet of retail, constructing the building’s below-grade slurry wall foundation. Treviicos constructed a 1,552-foot-long, 86,500-square-foot reinforced concrete slurry wall along The Benjamin & VIA’s perimeter, which serves as the development’s foundation wall. The Benjamin & VIA’s location just steps from Boston Harbor presented significant geotechnical challenges, including persistent groundwater presence and unstable soil conditions, that Treviicos was able to expertly navigate, constructing a strong, 30-foot-thick wall using over 800 tons of steel, 8,800 cubic yards of concrete and 1,000 embedded steel plates connected with beams and girders in order to provide structural support. The Benjamin & VIA’s slurry wall consists of 72 concrete panels and has an average depth of 55 feet, enclosing three below-grade parking levels containing 775 vehicle spaces that are now open to both building residents and the public. Apartment move-ins at The Benjamin & VIA began this summer, and multiple retailers will open this Fall, starting with an Equinox fitness center due to open October 17th. The latest information about The Benjamin & VIA apartments and retail is posted above. The following are photographs of Treviicos at work at The Benjamin & VIA:

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Seaport Square Parcel P
Seaport Square Block L4
88 Seaport Boulevard
The Benjamin & VIA
101 Seaport
Seaport Square