EXHIBIT 23.1

CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTS

To: Foothill Independent Bank Partners in Your Future 401(k) Profit Sharing Plan

We consent to the incorporation by reference of our report dated April 1, 25, 2002 on the Statements of Net Assets Available for Benefits of the Foothill Independent Bank Partners in Your Future 401(k) Profit Sharing Plan as of December 31, 2001 and 2000, and the related Statements of Changes in Net Assets Available for Benefits for the year ended December 31, 2001, and the Supplemental Information as of or for the year then ended, into Registration Statement No. 33-57586 on Form S-8 filed January 29, 1993 (as amended by Post-Effective Amendment No. 1 thereto filed on July 27, 2000).

/s/    VAVRINEK, TRINE, DAY & CO., LLP        

VAVRINEK, TRINE, DAY & CO., LLP

Certified Public Accountants

May 30, 2002

Rancho Cucamonga, California