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Turner is a North America-based, international construction services company and is a leading builder in diverse market segments.

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Our people bring their technical knowledge, experience, and resourcefulness to the delivery of our construction services. Our expertise and value-added offerings support our clients throughout the lifespan of the construction process.

As the largest general contractor in the country, Turner is a leader in all major market segments, including healthcare, education, commercial, sports, aviation, pharmaceutical, retail and green building.

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Four Seasons Modernization

Four Seasons Modernization

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Turner Construction Company

66 Hudson Boulevard East

New York, NY 10001

(212) 229-6000

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(888) 738-1924

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Project overview

Business Unit(s)

Oakland / San Francisco

Year Completed



Bay Area Rapid Transit

Client Industry


Scope of Work



220,000 sq. ft., 7-Stories


Rim Architects

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BART Headquarters

Connecting Communities and Fostering Inclusion

Within months, BART's headquarters in Oakland, California was transformed. The project consisted of a complete interior fit out of a ten-story building. The scope of work included a lobby on the ground floor with a BART boardroom and a street-facing public retail suite. The upper floors include seven typical open office floors, executive offices, conference and break area amenities, a security office, work rooms and employee access to a small rooftop deck. The project was developed through Progressive Design-build delivery and includes Target Value Delivery of programming, design and preconstruction activities. The project is LEED Gold Certified.

BART Headquarters was a milestone project for the community. The project team achieved 36% local business utilization, 17% minority owned business utilization, 10% women owned business utilization, and 13% African American owned business utilization. In order to achieve these goals, Turner partnered with 25+ community organizations to expand our reach, holding multiple outreach meetings specifically for these underrepresented businesses, which featured 349 firms and 141 specialty contractors. Over 60 matchmaking sessions were held as well. Throughout construction the entire project team was committed to ensuring their local business partners were successful and supported them through mentoring in key areas, including project administration and billing, project execution and ultimately close-out. Many of these underrepresented businesses were also enrolled in Turner School of Construction Management throughout the project.

This project was recognized as the 2022 ENR Best of the Best Tenant Improvement  / Interiors Project, the 2022 IPI Diamond John L. Martin Partnered Project of the Year Award, a 2022 IPI Sue Dyer Innovation Award,  the 2022 ENR Calfornia Best Tenant Improvement / Interiors Project, the 2022 CMAA Best Project Under $100 Million and the 2022 CMAA Best Overall Project.