EXHIBIT 23.4 HOEFER & ARNETT Incorporated CONSENT OF HOEFER & ARNETT, INCORPORATED We consent to the inclusion in the Westamerica Bancorporation and PV Financial Registration Statement/Proxy Statement on Form S-4, and any amendments thereto, of our Fairness Opinion, and reference to our names and the statements with respect to us, as appearing under the heading "Opinion of Financial Advisors." San Francisco, California October 4, 1994 Hoefer & Arnett, Incorporated By /s/ Hoefer & Arnett Incorporated ----------------------------------