BOSTON FINANCIAL QUALIFIED HOUSING TAX CREDITS L.P. IV
                             (A Limited Partnership)

                                  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 Annual Report of Boston Financial Qualified Housing Tax
Credits L.P. IV (the "Partnership") on Form 10-KSB for the year ended March 31,
2006 as filed with the Securities and Exchange Commission on the date hereof
(the "Report"), the undersigned, the Principal Executive Officer and Principal
Financial Officer, hereby certifies 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.


                                     /s/Jenny Netzer
                                     ------------------------------------
                                     Jenny Netzer
                                     Principal Executive Officer and
                                     Principal Financial Officer
                                     Arch Street VIII, Inc., as
                                     Managing General Partner of
                                     Boston Financial Qualified
                                     Housing Tax Credits L.P. IV



                                      Date:  June 28, 2006


A signed original of this written statement required by section 906 has been
provided to the Partnership and will be retained by the Partnership and
furnished to the Securities and Exchange Commission or its staff upon request.