Exhibit 23.3 August 9, 2004 Board of Directors Putnam Bancorp, MHC PSB Holdings, Inc. Putnam Savings Bank 40 Main Street Putnam, Connecticut 06260 Members of the Boards of Directors: We hereby consent to the use of our firm's name in the Form MHC-2, and any amendments thereto, and in the Registration Statement on Form SB-2, and any amendments thereto. We also hereby consent to the inclusion of, summary of and references to our Appraisal and our statement concerning subscription rights in such filings including the prospectus of PSB Holdings, Inc. Sincerely, RP FINANCIAL, LC. /s/ Gregory E. Dunn Gregory E. Dunn Senior Vice President