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):July 18, 2006



                Residential Funding Mortgage Securities II, Inc.
             (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)

           DELAWARE                  333-131196                 41-1808858
   ------------------------------------------------------------------------
   (STATE OR OTHER JURISDICTION     (COMMISSION)             (I.R.S. EMPLOYER
       OF INCORPORATION)            FILE NUMBER)            IDENTIFICATION NO.)

          8400 Normandale Lake Blvd., Suite 250, Minneapolis, MN 55437
               (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES)        (ZIP CODE)

        Registrant's telephone number, including area code (952) 857-7000
                                       N/A

             (FORMER NAME OR ADDRESS, IF CHANGED SINCE LAST REPORT)

Check  the  appropriate  box  below  if the  Form  8-K  filing  is  intended  to
simultaneously  satisfy the filing obligation of the registrant under any of the
following provisions:

[ ] Written communication  pursuant to Rule 425 under the Securities Act (17 CFR
230.425)

[ ] Soliciting  material  pursuant to Rule 14a-12 under the Exchange Act (17 CFR
240.14a-12)

[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange
Act (17 CFR 240.14d-2(b))

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange
Act (17 CFR 240.13e-4(c))



<PAGE>



                    INFORMATION TO BE INCLUDED IN THE REPORT

SECTION 9 -- FINANCIAL STATEMENTS AND EXHIBITS

ITEM 9.01(C).  EXHIBITS.

        Exhibits (execution copies).  The following execution copies of Exhibits
to the Form S-3 Registration Statement of the Registrant are hereby filed:

25 Form T-1 Statement of  Eligibility  of JPMorgan  Chase Bank,  N.A.  under the
Trust  Indenture  Act of 1939,  as  amended.  (Certain  exhibits to Form T-1 are
incorporated by reference to Exhibit 25)



<PAGE>


                                   SIGNATURES


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

                               RESIDENTIAL FUNDING MORTGAGE
                               SECURITIES II, INC.



                               By:    /s/ Heather Anderson
                               Name:  Heather Anderson
                               Title: Vice President


Dated: July 25, 2006


<PAGE>


                                  Exhibit Index


Exhibit

25   Form T-1 Statement of Eligibility  of JPMorgan  Chase Bank,  N.A. under the
     Trust Indenture Act of 1939, as amended.  (Certain exhibits to Form T-1 are
     incorporated by reference to Exhibit 25)
[{"type": "8-K", "sequence": "1", "filename": "hsa48kt1.txt", "secsgml_size_bytes": 3091}]
{"company-data": {"conformed-name": "Home Equity Loan Trust 2006-HSA4", "cik": "0001369504", "assigned-sic": "6189", "irs-number": "411808858", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "333-131196-04", "film-number": "06978320"}, "business-address": {"street1": "8400 NORMANDALE LAKE BLVD", "street2": "SUITE 600", "city": "MINNEAPOLIS", "state": "MN", "zip": "55437", "phone": "9528327000"}, "mail-address": {"street1": "8400 NORMANDALE LAKE BLVD", "city": "MINNEAPOLIS", "state": "MN", "zip": "55437"}, "former-company": {"former-conformed-name": "Home Equity Trust 2006-HSA4", "date-changed": "20060719"}}
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):July 18, 2006

                Residential Funding Mortgage Securities II, Inc.
             (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)

           DELAWARE                  333-131196                 41-1808858
   ------------------------------------------------------------------------
   (STATE OR OTHER JURISDICTION     (COMMISSION)             (I.R.S. EMPLOYER
       OF INCORPORATION)            FILE NUMBER)            IDENTIFICATION NO.)

          8400 Normandale Lake Blvd., Suite 250, Minneapolis, MN 55437
               (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES)        (ZIP CODE)

        Registrant's telephone number, including area code (952) 857-7000
                                       N/A

             (FORMER NAME OR ADDRESS, IF CHANGED SINCE LAST REPORT)

Check  the  appropriate  box  below  if the  Form  8-K  filing  is  intended  to
simultaneously  satisfy the filing obligation of the registrant under any of the
following provisions:

[ ] Written communication  pursuant to Rule 425 under the Securities Act (17 CFR
230.425)

[ ] Soliciting  material  pursuant to Rule 14a-12 under the Exchange Act (17 CFR
240.14a-12)

[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange
Act (17 CFR 240.14d-2(b))

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange
Act (17 CFR 240.13e-4(c))
INFORMATION TO BE INCLUDED IN THE REPORT

SECTION 9 -- FINANCIAL STATEMENTS AND EXHIBITS

ITEM 9.01(C).  EXHIBITS.

        Exhibits (execution copies).  The following execution copies of Exhibits
to the Form S-3 Registration Statement of the Registrant are hereby filed:

25 Form T-1 Statement of  Eligibility  of JPMorgan  Chase Bank,  N.A.  under the
Trust  Indenture  Act of 1939,  as  amended.  (Certain  exhibits to Form T-1 are
incorporated by reference to Exhibit 25)
SIGNATURES

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

                               RESIDENTIAL FUNDING MORTGAGE
                               SECURITIES II, INC.

                               By:    /s/ Heather Anderson
                               Name:  Heather Anderson
                               Title: Vice President

Dated: July 25, 2006
Exhibit Index

Exhibit

25   Form T-1 Statement of Eligibility  of JPMorgan  Chase Bank,  N.A. under the
     Trust Indenture Act of 1939, as amended.  (Certain exhibits to Form T-1 are
     incorporated by reference to Exhibit 25)