Joint Venture Completes 1 MSF Office Project in Downtown Boston

by Katie Sloan

BOSTON — A joint venture between Carr Properties, The HYM Investment Group and National Real Estate Advisors has completed One Congress, a 43-story, 1 million-square-foot office project in downtown Boston. 

One Congress opens fully preleased. Anchor tenants include financial services firm State Street Corp. (510,000 square feet) and data management services provider InterSystems Corp. (420,000 square feet) — two of the largest office leases signed in Boston within the past 20 years, according to the developers. Among the additional tenants are law firm K&L Gates, Trillium Asset Management and Husch Blackwell.

Amenities include a 30,000-square-foot outdoor garden on the 11th floor; 7,000-square-foot fitness center; coffee bar; collaborative workspace and lounges; a marketplace with food offerings and a cocktail bar curated by restaurateur Stephen Starr; and 4,700 square feet of meeting and conference space. 

Pelli Clarke Pelli and CBT Architects handled design of the building. Gachot Studio served as the interior design firm and John Moriarty & Associates was the construction manager. 

Construction began in June 2019, and the topping off occurred in summer 2021. The development is LEED Platinum certified and located in proximity to the Rose Kennedy Greenway and several MBTA stations.

Washington, D.C.-based Carr Properties is a privately held real estate investment trust that owns, manages, acquires and develops properties in D.C., Boston and Austin, Texas. The company currently owns a portfolio of 17 commercial office properties totaling 6.2 million square feet. 

Also based in Washington, D.C., National Real Estate Advisors focuses on developing, operating and managing commercial real estate properties across the U.S. 

HYM Investment Group is a development company based locally in Boston. The firm is currently developing more than 20 million square feet of real estate throughout the Boston metropolitan area. 

Taylor Williams and Katie Sloan

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