content: <PAGE>
  
                   SECURITIES AND EXCHANGE COMMISSION
  
                        WASHINGTON, D.C. 20549
  
                              FORM 8-K
  
  
                           CURRENT REPORT
  
                 PURSUANT TO SECTION 13 OR 15 (d) OF THE
                     SECURITIES EXCHANGE ACT OF 1934
  
       Date of Report (Date of earliest event reported):  July
  20, 1998
  
  
                     United Security Bancorporation
           (Exact Name of Registrant as Specified in Charter)
  
  
            Washington           0-18561            91-1259511
            ----------           -------            ----------
  (State or other jurisdiction   (Commission        (IRS
  Employer Identi-
          of incorporation)       File Number)       fication
  Number)
  
         9506 North Newport Highway, Spokane, Washington 99218-
  1200
         -----------------------------------------------------
  -----
              (Address of principal executive offices/Zip
  Code)
  
     Registrant's telephone number, including area code:
  (509) 467-6949
     ---------------------------------------------------------
  ----------
  
  
                                     1
   <PAGE>
                         UNITED SECURITY BANCORPORATION
  
  Item 2.  Acquisition or Disposition of Assets
  
  Effective July 20, 1998, United Security Bancorporation,
  Spokane, Washington (USBN) completed its pending acquisition
  of Grant National Bank (GNB).  The acquisition was
  accomplished pursuant to an Agreement and Plan of
  Consolidation dated as of March 24, 1998 (Agreement).  The
  Agreement was included as Exhibit (2) to the Form 8-K filed
  by USBN dated March 24, 1998.
  
  Item 7.  Financial Statements and Exhibits
  
       (a)  Financial statements - the requisite historical
  financial
            information was included with the Joint Proxy
  Statement/
            Prospectus dated June 15, 1998, previously filed
  by USBN as
            part of its Registration Statement on Form S-4
  with the
            Securities and Exchange Commission.
  
       (b)  Pro forma financial information - the requisite
  pro forma
            financial information was included with the Joint
  Proxy
            Statement/Prospectus dated June 15, 1998,
  previously filed by
            USBN as part of its Registration Statement on Form
  S-4 with
            the Securities and Exchange Commission.
  
       (c)  Exhibits:
  
            (99)  Press release issued by USBN dated July 20,
  1998 to
                  announce the completion of the acquisition
  of GNB.
  
  SIGNATURES
  
  Pursuant to the requirements of the Security Exchange Act of
  1934, the registrant has duly caused this report to be
  signed on its behalf by the undersigned thereunto duly
  authorized.
  
  Dated:  July 22, 1998
  
                           UNITED SECURITY BANCORPORATION
  
                           By:  /s/ Richard C. Emery
                           ------------------------------
                           Name:    Richard C. Emery
                           Title:   President and Chief
  Executive Officer
  
                                     2
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metadata_filer: {"company-data": {"conformed-name": "UNITED SECURITY BANCORPORATION", "cik": "0000726990", "assigned-sic": "6022", "irs-number": "911259511", "state-of-incorporation": "WA", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-18561", "film-number": "98669964"}, "business-address": {"street1": "9506 N NEWPORT HWY", "city": "SPOKANE", "state": "WA", "zip": "99218-1200", "phone": "5094676949"}, "mail-address": {"street1": "9506 N NEWPORT HWY", "city": "SPOKANE", "state": "WA", "zip": "99218-1200"}}
text: SECURITIES AND EXCHANGE COMMISSION
  
                        WASHINGTON, D.C. 20549
  
                              FORM 8-K
  
                           CURRENT REPORT
  
                 PURSUANT TO SECTION 13 OR 15 (d) OF THE
                     SECURITIES EXCHANGE ACT OF 1934
  
       Date of Report (Date of earliest event reported):  July
  20, 1998
  
                     United Security Bancorporation
           (Exact Name of Registrant as Specified in Charter)
  
            Washington           0-18561            91-1259511
            ----------           -------            ----------
  (State or other jurisdiction   (Commission        (IRS
  Employer Identi-
          of incorporation)       File Number)       fication
  Number)
  
         9506 North Newport Highway, Spokane, Washington 99218-
  1200
         -----------------------------------------------------
  -----
              (Address of principal executive offices/Zip
  Code)
  
     Registrant's telephone number, including area code:
  (509) 467-6949
     ---------------------------------------------------------
  ----------
  
                                     1
  UNITED SECURITY BANCORPORATION
  
  Item 2.  Acquisition or Disposition of Assets
  
  Effective July 20, 1998, United Security Bancorporation,
  Spokane, Washington (USBN) completed its pending acquisition
  of Grant National Bank (GNB).  The acquisition was
  accomplished pursuant to an Agreement and Plan of
  Consolidation dated as of March 24, 1998 (Agreement).  The
  Agreement was included as Exhibit (2) to the Form 8-K filed
  by USBN dated March 24, 1998.
  
  Item 7.  Financial Statements and Exhibits
  
       (a)  Financial statements - the requisite historical
  financial
            information was included with the Joint Proxy
  Statement/
            Prospectus dated June 15, 1998, previously filed
  by USBN as
            part of its Registration Statement on Form S-4
  with the
            Securities and Exchange Commission.
  
       (b)  Pro forma financial information - the requisite
  pro forma
            financial information was included with the Joint
  Proxy
            Statement/Prospectus dated June 15, 1998,
  previously filed by
            USBN as part of its Registration Statement on Form
  S-4 with
            the Securities and Exchange Commission.
  
       (c)  Exhibits:
  
            (99)  Press release issued by USBN dated July 20,
  1998 to
                  announce the completion of the acquisition
  of GNB.
  
  SIGNATURES
  
  Pursuant to the requirements of the Security Exchange Act of
  1934, the registrant has duly caused this report to be
  signed on its behalf by the undersigned thereunto duly
  authorized.
  
  Dated:  July 22, 1998
  
                           UNITED SECURITY BANCORPORATION
  
                           By:  /s/ Richard C. Emery
                           ------------------------------
                           Name:    Richard C. Emery
                           Title:   President and Chief
  Executive Officer
  
                                     2