<ACCESSION-NUMBER>0000927089-18-000255 <TYPE>S-8 <PUBLIC-DOCUMENT-COUNT>3 <FILING-DATE>20180611 <DATE-OF-FILING-DATE-CHANGE>20180611 <EFFECTIVENESS-DATE>20180611 <FILER> <COMPANY-DATA> <CONFORMED-NAME>Sound Financial Bancorp, Inc. <CIK>0001541119 <ASSIGNED-SIC>6035 <IRS-NUMBER>455188530 <FISCAL-YEAR-END>1231 </COMPANY-DATA> <FILING-VALUES> <FORM-TYPE>S-8 <ACT>33 <FILE-NUMBER>333-225548 <FILM-NUMBER>18891418 </FILING-VALUES> <BUSINESS-ADDRESS> <STREET1>2005 FIFTH AVENUE <STREET2>2ND FLOOR <CITY>SEATTLE <STATE>WA <ZIP>98121 <PHONE>206-448-0884 </BUSINESS-ADDRESS> <MAIL-ADDRESS> <STREET1>2005 FIFTH AVENUE <STREET2>2ND FLOOR <CITY>SEATTLE <STATE>WA <ZIP>98121 </MAIL-ADDRESS> </FILER>