UNITED STATES
                       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): March 25, 2005

                       CHASE MORTGAGE FINANCE CORPORATION
       (Issuer in respect of Chase Mortgage Finance Trust, Series 2004-S4)
                              (the "Certificates")

             ------------------------------------------------------
             (Exact name of registrant as specified in its charter)

          Delaware                 333-110968-02              52-1495132
----------------------------      --------------          -------------------
(State or other jurisdiction        (Commission              (IRS Employer
      of incorporation)             File Number)           Identification No.)

   194 Wood Avenue South, Iselin, NJ                              08830
-----------------------------------------                     --------------
(Address of principal executive offices)                        (Zip Code)

Registrant's telephone number, including area code:  (732) 452-8972


--------------------------------------------------------------
(Former name or former 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 (see General Instruction A.2. below):

|_|   Written  communications  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>

Section 8 - Other Events

Item 8.01 Other Events.

Chase Mortgage  Finance  Corporation  (the  "Depositor")  made  distributions to
holders  of  its  Mortgage   Pass-Through   Certificates,   Series   2004-S4  as
contemplated by the Pooling and Servicing Agreement among Chase Mortgage Finance
Corporation,  Chase Manhattan  Mortgage  Corporation and Wachovia Bank, N.A., as
trustee,  dated as of April  1,  2004,  for  Multi-Class  Mortgage  Pass-Through
Certificates, Series 2004-S4 (the "Pooling and Servicing Agreement").

Copies of the  Certificateholders'  Reports (the "Monthly Reports") with respect
to such  distributions  delivered  pursuant  to Section  6.02 of the Pooling and
Servicing  Agreement are being filed as exhibits to this Current  Report on Form
8-K. The Monthly  Reports were  previously  filed with the commission  under the
Depositor's SEC Filing Codes.

Section 9 - Financial Statements and Exhibits

Item 9.01 Financial Statements and Exhibits.

(c) Exhibits.

Exhibit No.      Description
-----------      -----------

     99.1        Monthly Reports with respect to the following distributions:

                 May 25, 2004
                 June 25, 2004
                 July 26, 2004
                 August 25, 2004
                 September 27, 2004
                 October 25, 2004
                 November 26, 2004
                 December 27, 2004

<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.

                                      JPMORGAN CHASE BANK, NATIONAL ASSOCIATION
                                      (f/k/a "The Chase Manhattan Bank"),
                                      As Paying Agent, on behalf of
                                      Chase Mortgage Finance Corp.


                                      By: /s/ Andrew M. Cooper
                                          ------------------------------
                                      Name: Andrew M. Cooper
                                      Title:  Assistant Vice President
                                      Date: March 25, 2005
<PAGE>

                                INDEX TO EXHIBITS

Exhibit No.       Description
-----------       -----------
  99.1            Monthly Reports with respect to the following distributions:

                  May 25, 2004
                  June 25, 2004
                  July 26, 2004
                  August 25, 2004
                  September 27, 2004
                  October 25, 2004
                  November 26, 2004
                  December 27, 2004
{"company-data": {"conformed-name": "Chase Mortgage Finance Trust, Series 2004-S4", "cik": "0001288630", "assigned-sic": "6189", "irs-number": "000000000", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "333-110968-02", "film-number": "05711759"}, "business-address": {"street1": "343 THORNALL ST", "street2": "C/O A HARDY EUBANKS III", "city": "EDISON", "state": "NJ", "zip": "08837", "phone": "7322050600"}, "mail-address": {"street1": "343 THORNALL ST", "street2": "300 TICE BLVD THIRD FLOOR N", "city": "EDISON", "state": "NJ", "zip": "32256"}}
UNITED STATES
                       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): March 25, 2005

                       CHASE MORTGAGE FINANCE CORPORATION
       (Issuer in respect of Chase Mortgage Finance Trust, Series 2004-S4)
                              (the "Certificates")

             ------------------------------------------------------
             (Exact name of registrant as specified in its charter)

          Delaware                 333-110968-02              52-1495132
----------------------------      --------------          -------------------
(State or other jurisdiction        (Commission              (IRS Employer
      of incorporation)             File Number)           Identification No.)

   194 Wood Avenue South, Iselin, NJ                              08830
-----------------------------------------                     --------------
(Address of principal executive offices)                        (Zip Code)

Registrant's telephone number, including area code:  (732) 452-8972

--------------------------------------------------------------
(Former name or former 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 (see General Instruction A.2. below):

|_|   Written  communications  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))
Section 8 - Other Events

Item 8.01 Other Events.

Chase Mortgage  Finance  Corporation  (the  "Depositor")  made  distributions to
holders  of  its  Mortgage   Pass-Through   Certificates,   Series   2004-S4  as
contemplated by the Pooling and Servicing Agreement among Chase Mortgage Finance
Corporation,  Chase Manhattan  Mortgage  Corporation and Wachovia Bank, N.A., as
trustee,  dated as of April  1,  2004,  for  Multi-Class  Mortgage  Pass-Through
Certificates, Series 2004-S4 (the "Pooling and Servicing Agreement").

Copies of the  Certificateholders'  Reports (the "Monthly Reports") with respect
to such  distributions  delivered  pursuant  to Section  6.02 of the Pooling and
Servicing  Agreement are being filed as exhibits to this Current  Report on Form
8-K. The Monthly  Reports were  previously  filed with the commission  under the
Depositor's SEC Filing Codes.

Section 9 - Financial Statements and Exhibits

Item 9.01 Financial Statements and Exhibits.

(c) Exhibits.

Exhibit No.      Description
-----------      -----------

     99.1        Monthly Reports with respect to the following distributions:

                 May 25, 2004
                 June 25, 2004
                 July 26, 2004
                 August 25, 2004
                 September 27, 2004
                 October 25, 2004
                 November 26, 2004
                 December 27, 2004
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.

                                      JPMORGAN CHASE BANK, NATIONAL ASSOCIATION
                                      (f/k/a "The Chase Manhattan Bank"),
                                      As Paying Agent, on behalf of
                                      Chase Mortgage Finance Corp.

                                      By: /s/ Andrew M. Cooper
                                          ------------------------------
                                      Name: Andrew M. Cooper
                                      Title:  Assistant Vice President
                                      Date: March 25, 2005
INDEX TO EXHIBITS

Exhibit No.       Description
-----------       -----------
  99.1            Monthly Reports with respect to the following distributions:

                  May 25, 2004
                  June 25, 2004
                  July 26, 2004
                  August 25, 2004
                  September 27, 2004
                  October 25, 2004
                  November 26, 2004
                  December 27, 2004