Exhibit 32.1

                   Certification of Periodic Financial Report



     Pursuant to 18 U.S.C.  1350, the undersigned,  Richard A. Bianco, the Chief
Executive  Officer of AmBase  Corporation (the "issuer"),  hereby certifies that
the report on Form 10-Q  accompanying  this  certification  (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. 78 m or 78o(d)) and that  information  contained
in the report fairly presents, in all material respects, the financial condition
and results of operations of the issuer.



/s/  Richard A.  Bianco
Richard A. Bianco
Chairman, President and Chief Executive Officer
AmBase Corporation
May 13, 2004