Exhibit 32.1

                    MAXUS REAL PROPERTY INVESTORS-FOUR, L.P.

              CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly  Report of Maxus Real Property  Investors-Four,
L.P. (the  "Partnership") on Form 10-QSB for the period ending February 28, 2005
as filed with the  Securities  and Exchange  Commission  on the date hereof (the
"Report"),  I, David L. Johnson,  President and Chief Executive Officer of Maxus
Capital  Corp.,  General  Partner of the  Partnership,  certify,  pursuant to 18
U.S.C.  ss. 1350, as adopted  pursuant to ss. 906 of the  Sarbanes-Oxley  Act of
2002, that to my knowledge:

     (1) The Report fully  complies  with the  requirements  of section 13(a) or
15(d) of the Securities Exchange Act of 1934; and

     (2)  The  information  contained  in the  Report  fairly  presents,  in all
material  respects,  the  financial  condition  and results of operations of the
Partnership  as of February 28, 2005 (the last date of the period covered by the
Report).


/s/ David L. Johnson
--------------------
David L. Johnson
President and Chief Executive Officer
Maxus Capital Corp.,
General Partner of the Partnership
April 12, 2005