Exhibit 23.5 [LETTERHEAD OF RP FINANCIAL, LC. APPEARS HERE] September 10, 1997 Board of Directors Timberland Savings Bank 624 Simpson Avenue Hoquiam, Washington 98550 Gentlemen: We hereby consent to the use of our firm's name in the Application for Conversion of Timberland Savings Bank, SSB, Hoquiam, Washington, and any amendments thereto, and in the Form S-1 Registration Statement and any amendments thereto for Timberland Bancorp, Inc. We also hereby consent to the inclusion of, summary of and references to our Appraisal Report and our statement concerning subscription rights in such filings including the Prospectus of Timberland Bancorp, Inc. Sincerely, RP FINANCIAL, LC. James P. Hennessey James P. Hennessey Senior Vice President