of granite
and glass


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Built in 1982, 101 California enjoys a
rich history in the business and cultural environment of San Francisco. Its towering physical presence over an entire city block graces the San Francisco skyline as one of the city’s most architecturally impressive offerings.

Philip Johnson


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Designed by the renown architect,
Phillip Johnson, 101 California showcases a brilliant juxtaposition of shapes with its grand triangular base over a square city block, and its soaring cylindrical tower encased in alternating bands of granite and glass. Its timeless, modern design is widely considered one of the late architect’s greatest works.

Building Systems

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101 California’s state of the art building systems include a separate after-hours boiler and chiller for low-cost access to after-hours heating, ventilation, and air conditioning, Distributed Antenna System for enhanced wireless signal strength for tenants using AT&T and Verizon wireless services, High Definition DirecTV backbone, and a robust list of telecommunications providers including AT&T, Verizon, Cogent, Time Warner, Reliance Globalcom and Level (3).


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In 2011, 101 California was certified at the Platinum level under the U.S. Green Building Council’s LEED for Existing Buildings (EB) rating system. With a score of 94 leaf credits at that time, this architectural landmark earned the highest score ever awarded in the EB category throughout the world. 101 California has also earned high ENERGY STAR ratings for its high-efficiency retrofits and upgrades over the past 10 years.