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                            April 12, 2021

       Joseph Adams
       Chief Executive Officer
       FS Bancorp, Inc.
       6920 220th Street SW
       Mountlake Terrace, WA 98043

                                                        Re: FS Bancorp, Inc.
                                                            Registration
Statement on Form S-4
                                                            Filed April 8, 2021
                                                            File No. 333-255123

       Dear Mr. Adams:

              This is to advise you that we have not reviewed and will not
review your registration
       statement.

               Please refer to Rules 460 and 461 regarding requests for
acceleration. We remind you
       that the company and its management are responsible for the accuracy and
adequacy of their
       disclosures, notwithstanding any review, comments, action or absence of
action by the staff.

                                                        Please contact David
Lin, Staff Attorney, at (202) 551-3552 with any questions.




                            Sincerely,


                            Division of Corporation Finance

                            Office of Finance