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  • Who We Are

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    We are a family of builders building amazing spaces across the US, Canada, UK, and Ireland.

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    Founded in 1971, we have grown into an organization made up of over 5,700 employees across 54 offices.

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    ST. PATRICK`S CATHEDRAL

    St. Patrick’s Cathedral, a New York City landmark building and one of the most revered Catholic Churches in the United States, underwent a major restoration and conservation project.

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    What’s next in construction? From trends to data, find out more from our experts.

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  • Companies
    • Abbott Construction
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STRUCTURE TONE Boston, MA | STO Building Group (STOBG)
Find recent projects that the Structure Tone Boston office has been involved in. Click to read more project details.
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STRUCTURE TONE Boston Projects

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Learn more about Samuels 1001 Double Heart Sculpture
Samuels 1001 Double Heart Sculpture
Boston, MA
Construction Management
Cultural/Religious

A striking new landmark has a place in Boston’s Back Bay. Our team was proud to install Double Heart, the final public artwork conceived by Italian artist Gaetano Pesce and his only permanent installation in the U.

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Samuels 1001 Double Heart Sculpture
Samuels 1001 Double Heart Sculpture
Boston, MA
Construction Management
Cultural/Religious
Structure Tone
Learn more about PUTNAM INVESTMENTS
PUTNAM INVESTMENTS
Boston, MA
Construction Management
Corporate Interiors, Financial

For 40 years, Structure Tone has helped define what it means to build Boston. So, when Putnam Investments — a true Beantown original — needed a new headquarters, we were proud to deliver.

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PUTNAM INVESTMENTS
PUTNAM INVESTMENTS
Boston, MA
Construction Management
Corporate Interiors, Financial
Structure Tone
Learn more about THE LEGO GROUP
THE LEGO GROUP
Boston, MA
Construction Management
Corporate Interiors

In summer 2025, the LEGO Group unveiled their Boston Hub, a state-of-the-art workspace in the Back Bay neighborhood. Guided by the LEGO Group’s commitment to colleague wellbeing, sustainability, and collaboration, our team partnered with BDG Architecture + Design and Syska.

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THE LEGO GROUP
THE LEGO GROUP
Boston, MA
Construction Management
Corporate Interiors
Structure Tone
Learn more about AMERICAN STUDENT ASSISTANCE (ASA)
AMERICAN STUDENT ASSISTANCE (ASA)
Boston, MA
Construction Management
Education

Structure Tone Boston partnered with Perkins Eastman to build a dynamic new headquarters for American Student Assistance (ASA), a nonprofit dedicated to guiding students through their educational and career journeys. Located on the 20th floor of 33 Arch Street, the 22,000sf space was conceived as a vibrant, collaborative environment that supports both staff and students.

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AMERICAN STUDENT ASSISTANCE (ASA)
AMERICAN STUDENT ASSISTANCE (ASA)
Boston, MA
Construction Management
Education
Structure Tone
Learn more about Gupta Media
Gupta Media
Boston, MA
Construction Management
Corporate Interiors

Structure Tone’s renovation of Gupta Media’s new headquarters presents a bold and dynamic departure from traditional corporate design. Spanning 20,000sf, the project introduces a series of immersive environments that reflect the agency’s creative energy and collaborative spirit.

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Gupta Media
Gupta Media
Boston, MA
Construction Management
Corporate Interiors
Structure Tone
Learn more about Verily
Verily
Boston, MA
Construction Management
Corporate Interiors, Corporate Offices, Life Sciences

Verily is Alphabet Inc’s research organization devoted to the study of life sciences. After a referral from Google’s facilities staff in Cambridge, Verily approached our Boston team to manage the relocation of its headquarters into 100 Causeway Street, a new tower located in Boston's West End.

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Verily
Verily
Boston, MA
Construction Management
Corporate Interiors, Corporate Offices, Life Sciences
Structure Tone
Learn more about Thomas H. Lee Partners
Thomas H. Lee Partners
Boston, MA
Construction Management
Corporate Interiors, Financial

Structure Tone partnered with IA Interior Architects to renovate private equity firm Thomas H. Lee’s (THL) 63,000sf headquarters at 100 Federal Street in Boston’s Financial District.

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Thomas H. Lee Partners
Thomas H. Lee Partners
Boston, MA
Construction Management
Corporate Interiors, Financial
Structure Tone
Learn more about Confidential Financial Client
Confidential Financial Client
Boston, MA
Construction Management
Corporate Interiors, Financial

This confidential financial client’s west office renovation consisted of a 100,000sf fit-out across four floors. The new space was built to enhance productivity and office collaboration.

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Confidential Financial Client
Confidential Financial Client
Boston, MA
Construction Management
Corporate Interiors, Financial
Structure Tone
Learn more about CarGurus
CarGurus
Boston, MA
Construction Management
Corporate Interiors

The CarGurus Boston HQ project is an interior tenant fit-out located on floors 12-21 in the newly constructed high-rise at 1001 Boylston Street in Boston’s Back Bay neighborhood.

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CarGurus
CarGurus
Boston, MA
Construction Management
Corporate Interiors
Structure Tone
Learn more about Cambridge Associates
Cambridge Associates
Boston, MA
Construction Management
Financial

Global investment firm Cambridge Associates relocated its Boston office to the top three floors of Winthrop Center in Boston’s Financial District. Structure Tone worked with Suffolk (base building contractor), Millennium Partners (building owner), and IA (architect) to meet building standards and base building temporary certificate of occupancy (TCO) requirements, while creating a hybrid workplace that optimizes employee connection and client accommodation.

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Cambridge Associates
Cambridge Associates
Boston, MA
Construction Management
Financial
Structure Tone
Learn more about Lincoln Street Lobby
Lincoln Street Lobby
Boston, MA
Building Repositioning
Building Repositioning

Structure Tone repositioned Equity Office Properties Trust’s first floor lobby entrance, including the staircase, as well as the common space atrium lobbies on floors 2-5, adding updated amenities to improve the building for existing tenants and help attract new ones. The team removed carpet and vinyl tiles to expose terrazzo flooring and highlight the 19th-century original brick walls.

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Lincoln Street Lobby
Lincoln Street Lobby
Boston, MA
Building Repositioning
Building Repositioning
Structure Tone
Learn more about MPM BioImpact
MPM BioImpact
Boston, MA
Construction Management
Financial

Structure Tone Boston fit out MPM BioImpact’s office on Boylston Street, reconstructing the 11th floor with large exterior windows providing natural light and beautiful views of Boston’s Back Bay neighborhood. Our PM and superintendents worked closely with the designers and the MPM team to create a space that highlights both comfort and function, as can be seen in the selection of the architectural finishes, the furniture, and the lighting fixtures.

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MPM BioImpact
MPM BioImpact
Boston, MA
Construction Management
Financial
Structure Tone

Our Family of Builders

  • Abbott Construction
  • Ajax
  • BCCI
  • Govan Brown
  • Layton Construction
  • LF Driscoll
  • STO Mission Critical
  • Pavarini North East
  • Pavarini McGovern
  • RC Andersen
  • Structure Tone
  • Structure Tone International
  • Structure Tone Southwest

Who We Are

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Contact Us

Locations

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bd@stobuildinggroup.com
Careers
careers@stobuildinggroup.com
Press
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STO Building Group (STOBG) is a Family of Builders.

STO Building Group (STOBG) is a leader in commercial construction management. We draw on each other’s strengths to deliver expert services in preconstruction, sustainable construction, virtual design and construction, and more.

 

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