SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549




                                ---------------


                                    FORM 8-K

                                 CURRENT REPORT
                       Pursuant to Section 13 or 15(d) of
                       the Securities Exchange Act of 1934




        Date of Report (Date of earliest event reported): April 20, 2004



                             FLAGSTAR BANCORP, INC.
                             ----------------------
             (Exact name of Registrant as specified in its charter)










           Michigan                 0-22353                  38-3150651
           --------                 -------                  ----------
 (State or Other Jurisdiction     (Commission             (I.R.S. Employer
       of Incorporation)          File Number)           Identification No.)



                   5151 Corporate Drive, Troy, Michigan 48098
                   ------------------------------------------
                    (Address of principal executive offices)


                                 (248) 312-2000
                                 --------------
               Registrant's telephone number, including area code


                                 Not Applicable
                                 --------------
          (Former Name or former address, if changed since last report)







Item 12.  Results of Operations and Financial Conditions.

         On April 20, 2004, Flagstar Bancorp, Inc. (the "Company") announced its
financial results for the three months ended March 31, 2004. The full text of
the press release is set forth in Exhibit 99.1 hereto. The information in this
report, including the exhibit hereto, is being furnished pursuant to Item 12,
"Results of Operations and Financial Condition," and shall not be deemed "filed"
for purposes of Section 18 of the Securities Exchange Act of 1934, as amended,
and is not incorporated by reference into any filing of the Company, whether
made before or after the date hereof, regardless of any general incorporation
language in such filing.




                                   SIGNATURES

         Pursuant to the requirements of the Securities Exchange Act of 1934,
the Registrant has duly caused this report to be signed on behalf by the
undersigned hereunto duly authorized.

                                FLAGSTAR BANCORP, INC.


Date:   April 21, 2004          By:   /s/ Michael W. Carrie
                                     --------------------------------------
                                     Michael W. Carrie
                                     Executive Director, Chief Financial
                                     Officer and Treasurer
                                     (Duly Authorized Representative)








                                 EXHIBIT INDEX
                                 -------------



     99.1           Press Release dated April 20, 2004.