FDIC-insured bank

United Business Bank

Bank headquartered in Walnut Creek, California, part of BAYCOM CORP.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Total assets
$2.56 billion
Total deposits
$2.17 billion
Branches
34
FDIC-insured since
2004
Established
2004

Headquarters and contact

Address500 Ygnacio Valley Rd
Walnut Creek, CA 94596
CountyContra Costa
Metro areaSan Francisco-Oakland-Berkeley, CA
Websitewww.unitedbusinessbank.com
Phonenot published in FDIC data, see the bank's website

FDIC record

FDIC Certificate57716
Federal Reserve RSSD ID3281510
StatusActive
Charter classSM (STATE)
Holding companyBAYCOM CORP
Domestic offices34
Financials as ofJune 30, 2026

Routing number

FDIC does not publish ABA routing numbers, and many banks use different routing numbers by state or by account type. The reliable places to find yours: the bottom left of a check from this bank, the "account details" screen in its online banking, or its official website at www.unitedbusinessbank.com.
See how your odds compare before you apply at United Business Bank.

Offices nearest to headquarters

United Business Bank main office
Walnut Creek, CA
500 Ygnacio Valley Rd, 94596
Castro Valley Branch
Castro Valley, CA
3895 E Castro Valley Blvd, 94552
Oakland Branch
Oakland, CA
100 Hegenberger Rd, 94621
Pleasanton Branch
Pleasanton, CA
465 Main St, 94566
San Francisco Branch
San Francisco, CA
121 Spear St, 94105
Livermore Branch
Livermore, CA
2300 1st St, 94550
Mountain View Branch
Mountain View, CA
700 E El Camino Real, 94040
San Jose Branch
San Jose, CA
2550 N 1st St, 95131
Stockton Branch
Stockton, CA
22 W Yokuts Ave, 95207
Waterloo Branch
Stockton, CA
4426 E. State Highway 88 On Waterloo Road, 95215
Sacramento Branch
Sacramento, CA
3001 I St, 95816
Los Angeles Branch
Los Angeles, CA
3333 Wilshire Blvd, 90010
34 offices in total. Browse them by city through the state pages.

Where United Business Bank has offices

Other banks headquartered in Walnut Creek

Mechanics Bank$21.25 billion
Pacific Coast Bankers' Bank$1.21 billion