exv23w1

We consent to the incorporation by reference in Registration Statement Nos. 333-88519, 333-41198, 333-41318 and 333-50442 of CVB Financial Corp. on Form S-8, of our report, dated March 8, 2005 relating to our audit of the consolidated financial statements and internal control over financial reporting, which appear in this Annual Report on Form 10-K of CVB Financial Corp. for the year ended December 31, 2004.