UNITED STATES OF AMERICA
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C.  20549

                                    FORM 10-K

                   Annual Report Pursuant to Section 13 or 15(d)
                      of the Securities Exchange Act of 1934

                             For the fiscal year ended
                                 December 31, 2005

                        Commission file number: 333-117817-08

           IMH Assets Corp. (as depositor under an Indenture, dated as
            of May 6, 2005, providing for, inter alia, the issuance
                of Collateralized Asset-Backed Bonds, Series 2005-4)
               (Exact name of Registrant as specified in its Charter)

                    California                              33-0705301
           (State or other jurisdiction                  (I.R.S. Employer
           incorporation or organization)              Identification Number)

          1401 Dove Street
          Newport Beach, California                       92660
         (Address of principal executive offices)      (Zip Code)

            Registrant's telephone number, including area code:
                               (949) 475-3600

          Securities registered pursuant to Section 12(b) of the Act:
                                     None

          Securities registered pursuant to Section 12(g) of the Act:
                                     None

     Indicate by check mark if the registrant is a well-known seasoned
     issuer, as defined in Rule 405 of the Securities Act.  Yes [] No [X]

     Indicate by check mark if the registrant is not required to file
     reports pursuant to Section 13 or Section 15(d) of the Act.  Yes [] No[X]

     Indicate by check mark whether the Registrant (1) has filed all reports
     required to be filed by Section 13 or 15(d) of the Securities Exchange
     Act of 1934 during the preceding 12 months (or for such shorter period
     that the Registrant was required to file such reports), and (2) has been
     subject to such filing requirements for the past 90 days.  Yes [X] No[ ]

     Indicate by check mark if disclosure of delinquent filers pursuant to
     Item 405 of Regulation S-K is not contained herein, and will not be
     contained, to the best of the Registrant's knowledge, in definitive proxy
     or information statements incorporated by reference in Part III of the
     Form 10-K or any amendment to this Form 10-K.         [x]

     Indicate by check mark whether the registrant is an accelerated filer
     (as defined in Rule 12b-2 of the Act).  Yes [ ]   No [X]

     State the aggregate market value of the voting and non-voting common
     equity held by non-affiliates computed by reference to the price at
     which the common equity was last sold, or the average bid and asked
     price of such common equity, as of the of the last business day of
     the registrant's most recently completed second fiscal quarter
     Not Applicable.

     Indicate the number of shares outstanding of each of the registrant's
     classes of common stock, as of December 31, 2005.
     Not Applicable.

     DOCUMENTS INCORPORATED BY REFERENCE
     None

     PART I

     ITEM 1.  Business.

     Not Applicable.

     ITEM 2.  Properties.

     Not Applicable.

     ITEM 3.  Legal Proceedings.

     None.

     ITEM 4.  Submission of Matters to a Vote of Security Holders.

     No matters were submitted to a vote of Certificateholders during the
     fiscal year covered by this report.

     PART II

     ITEM 5.  Market for Registrant's Common Equity and Related Stockholder
     Matters and Issuer Purchases of Equity Securities.

     The Trust does not issue stock.

     There is currently no established public trading market for Registrant's
     Certificates.  Registrant believes the Certificates are traded primarily
     in intra-dealer markets and non-centralized inter-dealer markets.

     As of December 31, 2005 the number of registered holders of all classes of
     Certificates was 18.


     ITEM 6.  Selected Financial Data.

     Not Applicable.

     ITEM 7.  Management's Discussion and Analysis of Financial Condition and
     Results of Operations.

     Not Applicable.

     ITEM 7A.  Quantitative and Qualitative Disclosures About Market Risk.

     Not Applicable.

     ITEM 8.  Financial Statements and Supplementary Data.

     Not Applicable.

     ITEM 9.  Changes in and Disagreements with Accountants on Accounting and
     Financial Disclosure.

     None.

     ITEM 9A  Controls and Procedures

     Not Applicable.

     ITEM 9B. Other Information.

     None.

     PART III

     ITEM 10.  Directors and Executive Officers of Registrant.

     Not Applicable.

     ITEM 11.  Executive Compensation.

     Not Applicable.

     ITEM 12.  Security Ownership of Certain Beneficial Owners and Management.

     Not Applicable.

     ITEM 13.  Certain Relationships and Related Transactions.
               None.

     ITEM 14.  Principal Accountant Fees and Services.
               Not Applicable.

     PART IV

     ITEM 15. Exhibits, Financial Statement Schedules.

     (a) List the following documents filed as a part of the report:

         (1) All financial statements:

             Exhibit 31  Section 302 Certification.

             Exhibit 99.1 Servicer's Annual Statement of Compliance for
             Year End December 31, 2005.

             Exhibit 99.2 Servicer's Annual Report of Independent
             Registered Public Accounting firm for Year End December
             31, 2005.

             Monthly Remittance Statement to the Certificateholders dated
             as of May 25, 2005, and filed with the Securities and
             Exchange Commission on Form 8-K on June 29, 2005 and amended
             on Form 8-K/A on September 28, 2006.

             Monthly Remittance Statement to the Certificateholders dated
             as of June 27, 2005, and filed with the Securities and
             Exchange Commission on Form 8-K on July 1, 2005, amended
             on Form 8-K/A on September 28, 2006 and on Form 8-K/A on
             November 3, 2006.

             Monthly Remittance Statement to the Certificateholders dated
             as of July 25, 2005, and filed with the Securities and
             Exchange Commission on Form 8-K on July 28, 2005. amended
             on Form 8-K/A on September 28, 2006 and on Form 8-K/A on
             November 3, 2006.

             Monthly Remittance Statement to the Certificateholders dated
             as of August 25, 2005, and filed with the Securities and
             Exchange Commission on Form 8-K on August 29, 2005 amended
             on Form 8-K/A on September 28, 2006 and on Form 8-K/A on
             November 3, 2006.

             Monthly Remittance Statement to the Certificateholders dated
             as of September 26, 2005, and filed with the Securities and
             Exchange Commission on Form 8-K on September 27, 2005 and
             amended on Form 8-K/A on November 3, 2006.

             Monthly Remittance Statement to the Certificateholders dated
             as of October 25, 2005, and filed with the Securities and
             Exchange Commission on Form 8-K on October 28, 2005.

             Monthly Remittance Statement to the Certificateholders dated
             as of November 25, 2005, and filed with the Securities and
             Exchange Commission on Form 8-K on December 7, 2005.

             Monthly Remittance Statement to the Certificateholders dated
             as of December 27, 2005, and filed with the Securities and
             Exchange Commission on Form 8-K on December 30, 2005.

         (2) Not Applicable.

         (3) Not Applicable.

     (b) Not Applicable.

     (c) Not Applicable.


                                     SIGNATURE

          Pursuant to the requirements of Section 13 or 15(d) of the
          Securities Exchange Act of 1934, the Registrant has duly caused
          this report to be signed on its behalf by the undersigned,
          thereunto duly authorized.


                               Impac Funding Corporation, as Master
                               Servicer on behalf of the Registrant


                                    By: /s/ Richard Johnson
                                        Name: Richard J Johnson
                                        Title: Executive Vice President
                                         and Chief Financial Officer


     Date: March 30, 2006


     EXHIBIT INDEX

     Exhibit Document

      31   Section 302 Certification.

      99.1 Servicer's Annual Statement of Compliance for Year End
           December 31, 2005.

      99.2 Servicer's Annual Report of Independent Registered Public
           Accounting firm for Year End December 31, 2005.