Exhibit 32.2


                    CERTIFICATION OF CHIEF FINANCIAL 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 report of American Home Mortgage Investment Corp. (the
"Registrant") on Form 10-Q/A for the quarter ended September 30, 2004 as filed
with the Securities and Exchange Commission on the date hereof (the "Report"),
I, Stephen A. Hozie, Executive Vice President and Chief Financial Officer of the
Registrant, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge,
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 Registrant.


April 29, 2005

                                                   /s/ Stephen A. Hozie
                                                --------------------------------
                                                Stephen A. Hozie
                                                Executive Vice President and
                                                Chief Financial Officer