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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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An awarding and fulfilling career awaits you at Turner! Join our team and build some of the most exciting and innovative projects around the world.

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Four Seasons Modernization

Four Seasons Modernization

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Thanks for your interest in Turner. Whether you are looking to start a project, get support, or just have a general question, we want to hear from you. Drop us a line and we will get back to you.

Turner Construction Company

66 Hudson Boulevard East

New York, NY 10001

(212) 229-6000

Report issues 24 hours a day, 7 days a week to Turner’s Confidential Reporting System

(888) 738-1924

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Project overview

Business Unit(s)

Oakland / San Francisco

Year Completed



City and County of San Francisco

Client Industry


Scope of Work

Interiors, Infrastructure, Restoration


310,000 sq. ft., 5-Stories


Risk Management

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San Francisco City Hall Seismic Renovation

Preserving the Past while Shaping the Future

San Francisco City Hall, a national and city historical landmark building, received seismic renovations to ensure its longevity. The project included the installation of a base isolation system, repairs of damage resulting from the 1989 Loma Prieta Earthquake, historical restoration, rehabilitation, and various ADA and architectural upgrades and interior improvements to modernize the building. The structure has 310,000 sq. ft. of inhabitable space over five main floors with a central dome that tops out at 300 feet above grade.

Bell Atlantic Tower

Bell Atlantic Tower

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