Exhibit 32.2


                       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 AmBase Corporation (the "Issuer") on
Form 10-Q for the period ending March 31, 2005 as filed with the Securities and
Exchange Commission on the date hereof (the "Report"), I, John P. Ferrara, Chief
Financial Officer of the Issuer, 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 reported, the financial condition and result of
operations of the Issuer.



/s/ John P. Ferrara
John P. Ferrara
Vice President and Chief Financial Officer
(Chief Financial Officer)
AmBase Corporation
May 12, 2005