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100 First Plaza facts for kids

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100 First Plaza
100FirstPlaza.png
Alternative names Andersen Tax Tower
General information
Type Commercial offices
Architectural style Postmodern
Location 100 First Street
San Francisco, California
Coordinates 37°47′21″N 122°23′51″W / 37.789167°N 122.3975°W / 37.789167; -122.3975
Completed 1988
Owner Kilroy Realty Corporation
Management Kilroy Realty Corporation
Height
Antenna spire 136.25 m (447.0 ft)
Roof 116 m (381 ft)
Technical details
Floor count 27
Floor area 450,200 sq ft (41,820 m2)
Design and construction
Architect SOM
Developer Barker Patrinely Group LLC
Main contractor Swinerton & Walberg

The 100 First Plaza is a tall office building located in San Francisco, California. People also know it as the Delta Dental Tower. It stands at 27 stories high, which is about 136 meters (446 feet) tall. This building is found at 100 First Street in an area called the Financial District. This part of the city is where many important businesses and offices are located.

Construction of the 100 First Plaza was finished in 1988. It is currently the 35th-tallest building in San Francisco. A famous architecture company called Skidmore, Owings & Merrill (SOM) designed the building. They gave it a unique look with parts that step back as the building goes up. It also has a special outer wall (called a façade) with grooves and many sides. The building features several walls made of glass on its roof and a noticeable spire (a tall, pointed structure) that is about 19 meters (62 feet) high.

Who Works Here?

Many different companies have their offices inside the 100 First Plaza. These companies use the building for their daily business operations.

Here are some of the companies that have offices in the building:

  • ADR Services, Inc.
  • AppsFlyer
  • Andersen Tax
  • HomeLight
  • Okta
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