SECURITIES AND EXCHANGE COMMISSION
                   Washington, D.C.  20549

                        SCHEDULE 13G

          Under the Securities Exchange Act of 1934
                     (Amendment No. 21)*

         Monmouth Real Estate Investment Corporation
                      (Name of Issuer)

                        Common Stock
                (Title of Class of Security)

                          609720107
                       (CUSIP Number)

                      January 27, 2004
   (Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant  to
which this Schedule is filed:

[ ]  Rule 13d-1(b)

[X]  Rule 13d-1(c)

[ ]  Rule 13d-1(d)

*The remainder of this cover page shall be filled out for  a
reporting person's initial filing on this form with  respect
to  the  subject class of securities, and for any subsequent
amendment  containing  information  which  would  alter  the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page
shall not be deemed to be "filed" for the purpose of Section
18  of  the  Securities  Exchange Act  of  1934  ("Act")  or
otherwise subject to the liabilities of that section of  the
Act  but shall be subject to all other provisions of the Act
(however, see the Notes).

              (Continued on following page(s))

                      Page 1 of 4 Pages




CUSIP No. 11-1897375          13G       Page 2 of 4 Pages


1.   NAME OF REPORTING PERSON
     S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

     Eugene W. Landy          S.S. #150-24-4993

2.   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

                                             (a)
                                             (b)    X
3.   SEC USE ONLY

4.   CITIZENSHIP OR PLACE OF ORGANIZATION

     Mr. Landy is a United States citizen.

               5.   SOLE VOTING POWER

                    228,367.5013  Direct
                     84,765.6946  Wife

 NUMBER OF     6.   SHARED VOTING POWER
  SHARES            161,764.6727  E.W. Landy Profit Sharing
BENEFICIALLY        126,585.1955  E.W. Landy Pension Plan
  OWNED BY           60,000.0000  E.W. & Gloria Landy Family
                                  Foundation

    EACH       7.   SOLE DISPOSITIVE POWER
  REPORTING
   PERSON           228,367.5013   Direct
    WITH             84,765.6946   Wife

               8.   SHARED DISPOSITIVE POWER

                    161,764.6727   E.W. Landy Profit Sharing
                    126,585.1955   E.W. Landy Pension Plan
                     60,000.0000   E.W. & Gloria Landy Family
                                   Foundation



CUSIP No. 11-1897375          13G    Page 3 of 4 Pages



9.     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
       PERSON

       228,367.5013  Direct    348,349.8682 Trustee
        84,765.6946  Wife      Total:  661,483.0641*

*Does  not include (a) 65,000 shares on which Mr. Landy  has
an  option  to  purchase  pursuant to  the  Company's  Stock
Option  Plan,  which option expires on 4/12/05;  (b)  65,000
shares  on  which  Mr.  Landy  has  an  option  to  purchase
pursuant  to  the Company's Stock Option Plan, which  option
expires  on  10/4/06; (c) 65,000 shares on which  Mr.  Landy
has  an  option to purchase pursuant to the Company's  Stock
Option  Plan,  which option expires on 6/21/10;  (d)  65,000
shares  on  which  Mr.  Landy  has  an  option  to  purchase
pursuant  to  the Company's Stock Option Plan, which  option
expires  on  1/22/11; and (e) 758,443.2562  shares  held  by
United  Mobile Homes, Inc.  Eugene W. Landy is  Chairman  of
the  Board  of United Mobile Homes, Inc. and owns 12.63%  of
United  Mobile  Homes,  Inc.  (excluding  shares  of  United
Mobile Homes, Inc. held by Mr. Landy's adult children).

10.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
     CERTAIN SHARES*

      Excludes shares held by Mr. Landy's adult children  in
      which he disclaims any beneficial interest.

11.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN. ROW 9

     4.14%

12.  TYPE OF REPORTING PERSON*

     IN

                        CERTIFICATION

           By signing below, I certify that, to the best  of
my  knowledge and belief, the securities referred  to  above
were not acquired and are not held for the purpose of or




CUSIP No. 11-1897375          13G       Page 4 of 4 Pages



with  the  effect of changing or influencing the control  of
the  issuer of the securities and were not acquired and  are
not  held  in  connection with or as a  participant  in  any
transaction having that purpose or effect.

                          SIGNATURE

           After  reasonable inquiry and to the best  of  my
knowledge  and  belief, I certify that the  information  set
forth in this statement is true, complete and correct.

                              January 27, 2004
                              Date


                              /s/ Eugene W.Landy
                              Eugene W. Landy
                              President and Director of
                              Monmouth Real Estate
                              Investment Corporation