It owned by the holding company CBB Bancorp, Inc. As of 2015[update], CBB Bank had 11 retail branches in California, Texas and Hawaii.

It is one of five major Korean-American banks in the United States.

[2] Commonwealth Business Bank, as well known as CBB Bank, was founded on March 9, 2005 in Los Angeles, California with only 20 employees and $23.1 million of capital.

[3] In February 2021 CBB Bancorp announced it was acquiring Honolulu-based Ohana Pacific bank and its two retail locations.

The company also provides treasury management, mobile and online banking, wire transfer, telephone banking, safe deposit box, and lockbox services.