One Maritime Plaza

One Maritime Plaza
One Maritime Plaza
	The One Maritime Plaza pictured in 2021
	Location within San Francisco
General information
Type	Office
Location	300 Clay Street; San Francisco
Coordinates	37°47′44″N 122°23′57″W / 37.79556°N 122.39917°W
Completed	1967; 59 years ago
Height
Roof	121.3 m (398 ft)
Technical details
Floor count	27
Design and construction
Architect	Skidmore, Owings & Merrill
Website
	onemaritimeplaza.com

TypeOffice^[1]

Location300 Clay Street
San Francisco^[1]

Coordinates37°47′44″N 122°23′57″W / 37.79556°N 122.39917°W

Completed1967; 59 years ago

One Maritime Plaza is an office tower located in San Francisco's Financial District near the Embarcadero Center towers on Clay and Front Streets. The building, built as the Alcoa Building for Alcoa Corporation and completed in 1967,^[3] stands 121 m (398 feet) and has 25 floors of office space. It is surrounded by Maritime Plaza, an elevated public park finished in 1967.^[4]^[5] This is one of the earliest buildings to use seismic bracing in the form of external trusses and X-braces.^[2]

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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

One Maritime Plaza

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