United American Bank

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101 South Ellsworth
San Mateo, CA 94401
T: 650.579.1500
F: 650.579.1501

Coastal Regional Office
40 North Cabrillo Highway
Half Moon Bay, CA 94019
T: 650.712.5000
F: 650.712.5001

Regional Office

2400 Broadway Street
Redwood City, CA 94063
T: 650.298.7000
F: 650.298.7001

Equal Housing Lender
Member FDIC

About Us

United American Bank is a full-service commercial bank headquartered in San Mateo, California. The bank has offices in San Mateo, Half Moon Bay and Redwood City. The bank is dedicated to providing superior banking and financial services for those who prefer a high level of personalized client service.


June 2013. United American Bank celebrates its 10th anniversary.

March 2013. United American Bank announces the purchase of $2.3 million Series D Preferred stock.

July 2012. United American Bank announces successful stock offering, raising $1.618 million in additional capital.

October 2011. ATBancorp and United American Bank announce completion of $11.158 million capital stock investment.

June 2008. Third stock offering successfully completed, adding $5.3 million in additional capital.

April 2008. United American Bank announces its third stock offering.

October 2007. The Mid-Peninsula Regional Office opens in Redwood City, California.

November 2006. The Coastal Regional Office opens in Half Moon Bay, California.

May 2005. Second stock offering raises $6.5 million in new capital.

January 2005. American Trust opens an office in the Bank headquarters in an affiliate relationship offers wealth management, trust, and retirement planning services.

June 2003. United American Bank opened its doors on June 9, 2003 with the approval of the Department of Financial Institutions and the Federal Deposit Insurance Corporation granted insurance for the bank's deposits.

May 2003. United American Bank (In Organization) closed its stock offering having raised $15,125,000.00

April 2003. United American Bank(In Organization) moved to its new headquarters location at 101 S. Ellsworth Avenue, San Mateo, CA 94401.

February 2003. United American Bank (In Organization) received a Stock Permit from the California Department of Financial Institutions authorizing the Bank to sell shares of its common stock to the public.


United American Bank opened its doors at 101 South Ellsworth Avenue in San Mateo on June 9, 2003. After a brief, highly successful capitalization campaign that raised over $15 Million, we obtained regulatory approvals from both the Department of Financial Institutions and the Federal Deposit Insurance Corporation to officially conduct banking business. Our Founders and Directors are respected and prominent San Mateo residents with a commitment to customer service, financial performance and personalized banking for businesses and individuals.

United American Bank is recognized as a financial services leader in the Bay Area that nurtures client-focused relationships and mutually beneficial experiences with each client.


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