California Bank & Trust (CB&T) is a full-service bank specializing in consumer, commercial and wealth management services headquartered in San Diego, California.

With more than 80 branches located across California and assets totaling about $91 billion, CB&T is a subsidiary of Zions Bancorporation, one of the nation's top 50 bank holding companies.

[6] The institution continued to grow with the acquisition of Fresno, California–based Regency Bank in 1999.

[11] California Bank & Trust operates through a network of more than 80 branches run through four administrative offices.

[12] The offices include Irvine, Los Angeles, Oakland, and the bank's main headquarters in San Diego.