Exhibit 32.1

                            CERTIFICATION 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 Krupp Insured Plus III Limited
Partnership (the "Partnership") on Form 10-Q for the period ending June 30, 2004
as filed with the Securities and Exchange Commission on the date hereof (the
"Report"), I, Peter F. Donovan, Senior Vice President of Krupp Plus Corporation,
a General Partner of the Partnership, certify, pursuant to 18 U.S.C. Section
1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002,
that:

            (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 June 30, 2004 (the last
                  date of the period covered by the Report).


/s/ Peter F. Donovan
- --------------------
Peter F. Donovan,
Senior Vice President

Date: August 11, 2004


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