EXHIBIT 99.1

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

In connection with the Quarterly Report of First Real Estate Investment Trust of
New Jersey (the "Company") on Form 10-Q for the period ended January 31, 2003
(the "Report"), I, Robert S. Hekemian, Chairman of the Board and Chief Executive
Officer of the Company, do hereby certify, pursuant to 18 U.S.C 1350, as adopted
pursuant to section 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, 15 U.S.C. 78m or
            78o(d), and

      2.    the information contained in the Report fairly presents, in all
            material respects, the financial condition and results of operations
            of the Company.

Date: March 19, 2003


                                                /s/  Robert S. Hekemian
                                                -----------------------
                                                Robert S. Hekemian
                                                Chairman of the Board and Chief
                                                Executive Officer