United Business BankState Chartered Commercial Banks License#: 2162 Institution Name: United Business Bank Officer Name: George Guarini Address: 500 Ygnacio Valley Road, Suite 200 Walnut Creek, CA 94596 Phone: 925-476-1800 DBO ContactPaul Fung, San Francisco Office Key Consumer Links Consumer Alerts Consumer Advisories File a complaint Search for DBO Licensees Actions, Orders and Administrative Hearing Decisions Submit a Public Records Request