100 First Plaza

100 First Plaza
100 First Plaza
	From Salesforce Park in April 2021
	Location within San Francisco
Alternative names	Andersen Tax Tower
General information
Type	Commercial offices
Architectural style	Postmodern
Location	100 First Street; San Francisco, California
Coordinates	37°47′21″N122°23′51″W / 37.789167°N 122.3975°W
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
References

Last updated November 18, 2025

100 First Plaza (also known as the Delta Dental Tower) is a 27-story, 136 m (446 ft) high-rise office building located at 100 First Street in the Financial District of San Francisco, California. Construction of the building was completed in 1988. It is the 35th-tallest building in the city.^[1] Skidmore, Owings & Merrill served as the design architects for the 100 First Plaza development that was designed with several setbacks, along with a grooved and faceted façade, and contains several rooftop curtain walls, and a notable 19 m (62 ft) spire.^[5]

Tenants

References

1 2 "100 First Plaza". CTBUH Skyscraper Center .
↑ "Emporis building ID 118908". Emporis . Archived from the original on November 18, 2017.
↑ "100 First Plaza". SkyscraperPage .
↑ 100 First Plaza at Structurae
↑ Nelson, Andrew (March 18, 2021). "Number 42: 100 First Plaza, SoMa, San Francisco". SF YIMBY. Archived from the original on March 19, 2021. Retrieved November 17, 2025.
↑ "Exclusive: AppsFlyer Raises $56 Million" (Press release). Mitchell Gray. 17 Jan 2017. Retrieved 10 August 2012.
↑ Calvey, Mark (November 5, 2019). "HomeLight seeks larger S.F. headquarters after raising $109 million". San Francisco Business Times . Retrieved November 17, 2025.

External links

Official website

This page is based on this Wikipedia article
Text is available under the CC BY-SA 4.0 license; additional terms may apply.
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[CTBUH-1] 1 2 "100 First Plaza". CTBUH Skyscraper Center .

[2] "Emporis building ID 118908". Emporis . Archived from the original on November 18, 2017.

[3] "100 First Plaza". SkyscraperPage .

[4] 100 First Plaza at Structurae

[5] Nelson, Andrew (March 18, 2021). "Number 42: 100 First Plaza, SoMa, San Francisco". SF YIMBY. Archived from the original on March 19, 2021. Retrieved November 17, 2025.

[6] "Exclusive: AppsFlyer Raises $56 Million" (Press release). Mitchell Gray. 17 Jan 2017. Retrieved 10 August 2012.

[7] Calvey, Mark (November 5, 2019). "HomeLight seeks larger S.F. headquarters after raising $109 million". San Francisco Business Times . Retrieved November 17, 2025.

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v t e Financial District, San Francisco
Buildings and business	44 Montgomery 45 Fremont Street 50 Beale Street 50 California Street 88 Kearny Street 100 First Plaza 100 Montgomery Street 100 Pine Center 101 California Street 101 Montgomery 150 California Street 225 Bush Street 301 Howard Street 333 Bush Street 333 Market Street 345 California Center 388 Market Street 425 California Street 425 Market Street 456 Montgomery Plaza 505 Montgomery Street 555 California Street 580 California Street 595 Market Street 601 California Street 650 California Street Bank of California Building Bank of Italy Building Central Plaza Central Tower Commercial Union Assurance Building Embarcadero Center Embarcadero West First Market Tower Flatiron Building Four Embarcadero Center Hallidie Building Hobart Building Humboldt Bank Building Hunter-Dulin Building The Infinity JPMorgan Chase Building KPMG Building Market Center McKesson Plaza Mills Building and Tower Mutual Savings Bank Building One Bush Plaza One California One Embarcadero Center One Front Street One Maritime Plaza Maritime Plaza One Market Plaza One Montgomery Tower One Sansome Street Pacific Gas & Electric Building Phelan Building Russ Building San Francisco Ferry Building Shell Building Stevenson Place Three Embarcadero Center Transamerica Pyramid Two Embarcadero Center
Businesses	Hilton InterContinental Le Méridien Park Central Hotel Punch Line Ritz-Carlton Club and Residences Tadich Grill
Education	Academy of Art University Golden Gate University
Geography	Belden Place Embarcadero Plaza Kearny Street Montgomery Street New Montgomery Street Sue Bierman Park
Public art	Abraham Lincoln Brigade Monument Admission Day Monument Cupid's Span La Chiffonnière Lotta's Fountain Mechanics Monument Vaillancourt Fountain
Transportation	Embarcadero station F Market & Wharves Montgomery Street station
Category Commons

v t e Tallest buildings in San Francisco
Skyscrapers over 500 feet (150 m)	Salesforce Tower Transamerica Pyramid 181 Fremont 555 California Street 345 California Center Millennium Tower One Rincon Hill The Avery Park Tower at Transbay Salesforce West 101 California Street 575 Market Street Four Embarcadero Center One Embarcadero Center 44 Montgomery One Market Plaza Spear Tower One Sansome Street The Harrison One Front Street First Market Tower McKesson Plaza 425 Market Street 706 Mission Street One Montgomery Tower
Highrises over 400 feet (120 m)	333 Bush Street Hilton San Francisco Union Square Tower I Pacific Gas & Electric Building 50 California Street 555 Mission Street St. Regis Museum Tower 100 Pine Center 45 Fremont Street 333 Market Street 650 California Street 100 First Plaza 340 Fremont Street 399 Fremont Street 500 Folsom One California San Francisco Marriott Marquis Russ Building 140 New Montgomery Jasper MIRA The Infinity II JPMorgan Chase Building The Paramount Providian Financial Building Three Embarcadero Center Two Embarcadero Center Salesforce East 595 Market Street 123 Mission Street 101 Montgomery Embarcadero West 100 Van Ness Avenue LUMINA Fifteen Fifty
Highrises over 300 feet (91 m)	One Maritime Plaza Four Seasons Hotel 415 Natoma Street Westin St. Francis Spera SF 456 Montgomery Plaza 535 Mission Street Shell Building Park Central Hotel San Francisco 222 Second Street 199 Fremont Street One Market Plaza Steuart Tower Hilton San Francisco Financial District 425 California Street 100 Montgomery Street Grand Hyatt San Francisco Fox Plaza 101 Second Street NEMA 580 California Street 601 California Street The Infinity I Hilton San Francisco Union Square Tower II 450 Sutter Street InterContinental San Francisco Stevenson Place BridgeView 150 California Street 225 Bush Street 505 Montgomery Street Blue Shield of California Building Fairmont San Francisco 180 Montgomery Street KPMG Building Central Plaza The Summit W San Francisco 353 Sacramento Street 555 Market Street Bank of California Building Phillip Burton Federal Building Ritz-Carlton Club and Residences San Francisco Marriott Union Square 88 Kearny Street 388 Market Street Commercial Union Assurance Building Hunter-Dulin Building One Bush Plaza McAllister Tower Apartments 301 Howard Street Mark Hopkins Hotel Mills Tower Central Tower Solaire
Under construction	Oceanwide Center I & II
Planned and proposed	Palace Hotel Residential Tower Treasure Island development 5M Project 524 Howard Street
See also: San Francisco Designated Landmarks, Buildings and structures in San Francisco

100 First Plaza

Contents

Tenants

See also

References

External links