SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20552


                                    FORM 8-K

                                 CURRENT REPORT

                       Pursuant to Section 13 or 15(d) of
                       the Securities Exchange Act of 1934


                                January 23, 2004
             ------------------------------------------------------
                Date of Report (Date of earliest event reported)




                            Advance Financial Bancorp
             ------------------------------------------------------
             (Exact name of Registrant as specified in its Charter)


           Delaware                  0- 21885                  55-0753533
- ----------------------------        ----------               -------------
(State or other jurisdiction        (File No.)               (IRS Employer
 of incorporation)                                        Identification Number)


1015 Commerce Street, Wellsburg, West Virginia                    26070
- ----------------------------------------------                    -----
(Address of principal executive offices)                        (Zip Code)


Registrant's telephone number, including area code:   (304) 737-3531
                                                      --------------


                                 Not Applicable
          -------------------------------------------------------------
          (Former name or former address, if changed since last Report)



                            ADVANCE FINANCIAL BANCORP

                      INFORMATION TO BE INCLUDED IN REPORT
                      ------------------------------------


Item 7.  Financial Statements, Pro Forma Financial Information
         -----------------------------------------------------
         and Exhibits
         -----------------------------------------------------

     Exhibit
     Number                 Description
     ------                 -----------
       99       Press Release dated January 23, 2004


Item 12.  Results of Operations and Financial Condition
          ---------------------------------------------

         On January 23, 2004,  the  Registrant  issued a press release to report
earnings for the quarter ended December 31, 2003. A copy of the press release is
furnished with this Form 8-K as exhibit 99.






                                   SIGNATURES


         Pursuant to the  requirements  of the Securities  Exchange Act of 1934,
the  Registrant  has duly  caused  this Report to be signed on its behalf by the
undersigned, thereunto duly authorized.

                                              ADVANCE FINANCIAL BANCORP



Date: January 23, 2004                        By: /s/Stephen M. Magnone
                                                  ------------------------------
                                                  Stephen M. Magnone
                                                  Treasurer