Total Square Footage 1,843,142
Total Dollar Volume $166,800,000.00


Established 2001
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Phone Number 617-910-5500

King Street is a private real estate investment management firm focused on serving the complex needs of science-based companies and institutions. Our experienced professionals combine big-company experience with a hands-on entrepreneurial approach to execute its tightly defined mission.


Hayden Research Campus
- Mar 30, 2020

Construction Continues on 75 Hayden in Lexington Construction is ongoing for 75 Hayden and an associated new parking garage coming to the Hayden Research Campus in Lexington. 75 Hayden will feature over 213,000 square feet of Class A office and lab space. The fourth floor of the building has been leased to Dicerna Pharmaceuticals.  Construction is expected to be complete this coming fall. 

Nexus at the Allston Innovation Corridor
- Nov 06, 2018

Nexus: 600K SF Mixed-Use Development Proposed in Allston King Street Properties along with Mugar Enterprises and The DiStefano family have released plans for Nexus at the Allston Innovation Corridor.  The three-building project would include over 607K of lab, office, retail, and residential space along Western Avenue in Allston.  The plans also call for 5,000sf public park and Artist's Way a public space for art installations. View of the three proposed new buildings in Nexus The project is now under review with construction expected to be completed in phases. 250 and 280 Western Avenue would begin first with 305 Western Avenue thereafter. Once permitted the development team would expect construction on the first phase to take 2 years.  

33 New York Ave
- Sep 13, 2018

Framingham Property Refinanced for $32.97 Million King Street Properties has refinanced their property at 33 New York Ave in Framingham for $32.97 million via Citizens Bank.  The property features a 10-acre parcel that contains a single, one-story building, which formerly housed the Metro West's Daily News editorial staff, sales team, and a printing press. King Street Properties plans to renovate the building and expand it with a 9,000-square-foot addition, bringing the total square footage to roughly 107,350, according to information provided to the Conservation Commission. The company also plans to add 49 parking spaces, bringing the total number to 320.

33 New York Ave
- Jul 03, 2018

Replimune Signs Lease at 33 New York Ave, FraminghamKing Street Properties plan to transform the former Metro West's Newspaper building into a life science hub is in full swing and they have signed on the startup Replimune as a new tenant.  Replimune, who recently filed a $100 million IPO, is developing oncolytic immunotherapies to fight solid tumors.The Framingham property is undergoing renovations and expansion including additional parking, new pedestrian walkways, and new landscaping.

33 New York Ave
- Mar 29, 2018

King Street Properties Acquires Framingham BuildingThe Cambridge based developer has acquired the former Metro-West Daily News building in Framingham from Gate House Media for $9.3 million. They have announced plans to renovate and expand the former headquarters, converting the building into a hub for life sciences companies.King Street Properties plans to renovate the building and expand it with a 9,000-square-foot addition, making the total space about 107,350 square feet, according to the Conservation Commission. The plans also include adding 49 parking spaces, making the total number 320 spaces.In addition to making parking improvements, there will also be new pedestrian walkways, upgraded stormwater management system and new landscaping elements to improve the current property, according to paperwork filed with the city of Framingham.

115 Hartwell Avenue
- Nov 09, 2016

Wave Life Sciences anchors new Lexington life science office buildingWave Life Sciences, a preclinical genetic medicine company specializing in treating rare diseases, has leased 58,000 square feet of office space across two floors at King Street Properties' new 91,000 square foot Lexington life science office building, 115 Hartwell Avenue, Banker & Tradesman reports. Wave raised $102 million in an initial public offering (IPO) last year. 115 Hartwell Avenue is slated for completion in the first quarter of 2017.

Nexus at the Allston Innovation Corridor
- Nov 01, 2016

Mugar acquires 3.64 acres along Western Avenue in Allston for $13 millionLocal real estate developer Mugar Enterprises closed yesterday (October 31st, 2016) on the acquisition of 3.64 acres of land along Western Avenue in Allston, located next to Harvard Business School between Everett and North Harvard Streets, for $13 million as recorded in the Suffolk County Registry of Deeds. A number of smaller buildings including an auto body, a duplex house, a gas station, a Subway sandwich shop and a two-story office building stand on the land. The following is the deed for Mugar Enterprises' acquisition of the land:

87 & 200 CambridgePark Drive
- Jul 24, 2016

King Street Properties recapitalizes renovated Alewife lab building with new partner in $43.4 million dealThis past Friday (July 22nd, 2016), local life science real estate investor King Street Properties recapitalized its' recently-renovated, fully-leased lab building at 87 CambridgePark Drive in a $43.4 million deal. As part of the deal, a new investment partner for 87 CambridgePark Drive, Washington, DC-based global alternative asset manager The Carlyle Group, was brought on board. King Street Properties and The Carlyle Group also secured a $24.7 million mortgage for 87 CambridgePark Drive on Friday through Boston Private Bank & Trust Company.King Street Properties acquired the two-story, 62,492 square foot 87 CambridgePark Drive in June 2014 for $14.8 million from then-owner Pfizer. King Street Properties also acquired neighboring six-story, 221,676 square foot 200 CambridgePark Drive from Pfizer in June 2014 for $39.75 million. King Street Properties proceeded to renovate both buildings and sold the newly-renovated, fully-leased 200 CambridgePark Drive in December 2015 to Morgan Stanley Real Estate Investing for $165.5 million. The renovations of 87 and 200 CambridgePark Drive cost a total of $112 million. A total of $89 million in financing for the renovations was secured in July 2014 through HFF, including $22 million for 87 CambridgePark Drive and $67 million for 200 CambridgePark Drive.Existing tenants at fully-leased 87 CambridgePark Drive include biotech firm Dicerna, who is leasing 37,000 square feet and moved into its' open floor plan office in February 2015. Ra Pharma, the building's second tenant, leases approximately 26,623 square feet. Tenants at fully-leased 200 CambridgePark Drive include Celgene and Amgen, as well as the headquarters of King Street Properties.A total of two deeds totaling approximately $43.4 million were recorded Friday for the recapitalization of 87 CambridgePark Drive. The following are the deeds for the recapitalization as recorded in the Middlesex South Registry of Deeds: Deed One:     Deed Two:    (Note: King 87 CPD LLC is managed by King Street Properties. CPI/King 87 CPD Owner LLC is managed by King Street Properties and The Carlyle Group.)

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Hayden Research Campus
101 Cambridgepark Drive
33 New York Ave
115 Hartwell Avenue
Nexus at the Allston Innovation Corridor
87 & 200 CambridgePark Drive