UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM 15

CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF
THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER
SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934.

                       Commission File Number: 000-25854

                               GFSB Bancorp, Inc.
             (Exact name of registrant as specified in its charter)

                             221 West Aztec Avenue
                            Gallup, New Mexico 87301
                                 (505) 726-6500
               Address, including zip code, and telephone number,
       including area code, of registrant's principal executive offices)

                    Common Stock, par value $0.10 per share
               (Title of each class of securities covered by this Form)

                                      None
   (Title of all other classes of securities for which a duty to file reports
                     under section 13(a) or 15(d) remains)

               Please place an X in the box(es) to designate the appropriate
           rule provision(s) relied upon to terminate or suspend the
                             duty to file reports:

        Rule 12g-4(a)(1)(i)       |X|            Rule 12h-3(b)(1)(i)        |_|
        Rule 12g-4(a)(1)(ii)      |_|            Rule 12h-3(b)(1)(ii)       |_|
        Rule 12g-4(a)(2)(i)       |_|            Rule 12h-3(b)(2)(i)        |_|
        Rule 12g-4(a)(2)(ii)      |_|            Rule 12h-3(b)(2)(ii)       |_|
                                                 Rule 15d-6                 |_|

Approximate number of holders of record as of the certification or notice
date:-0-


     Pursuant to the requirements of the Securities Exchange Act of 1934,
GFSB Bancorp, Inc. has caused this certification/notice to be signed on its
behalf by the undersigned duly authorized person.


Date:  May 31, 2005         By: /s/Gary A. Lax
                                --------------
                                Gary A. Lax
                                Counsel to First Federal Banc of the Southwest,
                                Inc., as successor to GFSB Bancorp, Inc.