EXHIBIT 23.1

                CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTS


To Foothill Independent Bancorp:


   We consent to the incorporation by reference of our report dated January 25,
2002 on the consolidated financial statements of Foothill Independent Bancorp as
of December 31, 2001 and 2000 and for each of the three years in the period
ended December 31, 2001, included at Page 32 of its Annual Report on Form 10-K
for the year ended December 31, 2001, into Registration Statement No. 33-57586
on Form S-8 filed January 29, 1993, Registration Statement No. 33-64584 on Form
S-8 filed on June 17, 1993 and Registration Statement No. 33-83854 on Form S-3
filed September 12, 1994 (each of which were amended by post effective
amendments filed on July 27, 2000).


                                        /s/ VAVRINEK, TRINE, DAY & CO.,LLP
                                            ----------------------------------
                                            VAVRINEK, TRINE, DAY & CO., LLP
                                            Certified Public Accountants

March 19, 2002
Rancho Cucamonga, California