UNITED STATES
                             SECURITIES AND EXCHANGE COMMISSION
                                   WASHINGTON, D.C. 20549



                                          FORM 10-K


  (Mark one)

  /X/ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
      EXCHANGE ACT OF 1934
      For the fiscal year ended December 31, 2004

      OR



  / / TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
      EXCHANGE ACT OF 1934


      Commission File Number:  333-112273-02

        American Home Mortgage Securities LLC
        American Home Mortgage Investment Trust
        Mortgage-Backed Notes
        Series 2004-2

     (Exact name of registrant as specified in its charter)


   New York                                         20-0103914
  (State or other jurisdiction of                   (I.R.S. Employer
  incorporation or organization)                    Identification No.)


   c/o Wells Fargo Bank, N.A.
   9062 Old Annapolis Road
   Columbia, MD                                21045
  (Address of principal executive offices)     (Zip Code)


  Registrant's telephone number, including area code: (410) 884-2000


  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 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 ( 229.405 of this chapter) is not contained
  herein, and will not be contained, to the best of registrant's knowledge,
  in definitive proxy or information statements incorporated by reference
  in Part III of this Form 10-K or any amendment to this Form 10-K.

        Not applicable.


  Indicate by check mark whether the registrant is an accelerated filer
  (as defined in Exchange Act Rule 12b-2).

        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 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 the latest practicable date.

        Not applicable.


     Documents Incorporated by Reference

  List hereunder the following documents if incorporated by reference and
  the Part of the Form 10-K (e.g. Part I, Part II, etc.) into which the
  document is incorporated: (1)Any annual report to security holders; (2)
  Any proxy or information statement; and (3)Any prospectus filed pursuant
  to Rule 424(b) or (c) under the Securities Act of 1933. The listed
  documents should be clearly described for identification purposes (e.g.
  annual report to security holders for fiscal year ended December 24, 1980).

        Not applicable.


                                   PART I

  Item 1.  Business.

            Omitted.

  Item 2.  Properties.

            See Item 15(a), Exhibits 99.1, 99.2, and 99.3, for information
            provided in lieu of information required by Item 102 of
            Regulation S-K.


  Item 3.  Legal Proceedings.

            The registrant knows of no material pending legal proceedings
            involving the trust created under the Trust Agreement (the
            Trust), the Indenture Trustee, the Master Servicer or the
            registrant with respect to the Trust other than routine
            litigation incidental to the duties of the respective parties.


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

            None.


                                PART II

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

            No established public trading market for the Notes exists.

            Records provided to the Trust by the DTC and the Trustee
            indicate that as of December 31, 2004, the total number of holders
            of record for the Series of Notes is 20.


  Item 6.  Selected Financial Data.

            Omitted.


  Item 7.  Management's Discussion and Analysis of Financial Condition and
           Results of Operation.

            Omitted.


  Item 7A. Quantitative and Qualitative Disclosures about Market Risk.

            Not applicable.


  Item 8.  Financial Statements and Supplementary Data.

            See Item 15(a), Exhibits 99.1, 99.2, 99.3, for information
            provided in lieu of information required by Item 302 of
            Regulation S-K.


  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 the 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.

            Not applicable.


  Item 14. Principal Accounting Fees and Services.

            Not applicable.


                                PART IV

  Item 15. Exhibits, Financial Statement Schedules.

   (a) Exhibits

     (31.1) Rule 13a-14(a)/15d-14(a) Certification

     (99.1) Report of Independent Registered Public Accounting Firm
      <TABLE>

      
         <c>
      a) American Home Mortgage Servicing, Inc., as Master Servicer <F1>

      </TABLE>

     (99.2) Report of Management as to Compliance with Minimum Servicing
            Standards

      <TABLE>

      
        <c>
      a) American Home Mortgage Servicing, Inc., as Master Servicer  <F1>

      </TABLE>

     (99.3) Annual Statements of Compliance under the Servicing
            Agreements
      <TABLE>

      
         <c>
      a) American Home Mortgage Servicing, Inc., as Master Servicer  <F1>

      </TABLE>


     (99.4) Aggregate Statement of Principal and Interest Distributions to
            Note Holders.


   (b) Not applicable.

   (c) Omitted.


  <F1> Filed herewith.


                                SIGNATURES

  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:


    American Home Mortgage Securities LLC
    American Home Mortgage Investment Trust
    Mortgage-Backed Notes
    Series 2004-2
    (Registrant)


  Signed: American Home Mortgage Securities LLC

  By: /s/ Michael Strauss

  By: Michael Strauss

  Title: Chief Executive Officer

  Dated: March 29, 2005


  SUPPLEMENTAL INFORMATION TO BE FURNISHED WITH REPORTS FILED PURSUANT TO
  SECTION 15(d) OF THE ACT BY REGISTRANTS WHICH HAVE NOT REGISTERED
  SECURITIES PURSUANT TO SECTION 12 OF THE ACT.


  (a)(i) No annual report is provided to the Certificateholders other than
  with respect to aggregate principal and interest distributions.


  (a)(ii) No proxy statement, form of proxy or other proxy soliciting
  material has been sent to any Certificateholder with respect to any
  annual or other meeting of Certificateholders.



  Exhibit Index

  Exhibit No.

  Ex-31.1 Rule 13a-14(a)/15d-14(a) Certification

  I, Michael Strauss, certify that:

  1. I have reviewed this annual report on Form 10-K, and all reports on
     Form 8-K containing distribution or servicing reports filed in
     respect of periods included in the year covered by this annual report
     of American Home Mortgage Investment Trust 2004-2;

  2. Based on my knowledge, the information in these reports, taken as a
     whole, does not contain any untrue statement of a material fact or
     omit to state a material fact necessary to make the statements made,
     in light of the circumstances under which such statements were made,
     not misleading as of the last day of the period covered by this
     annual report;

  3. Based on my knowledge, the distribution or servicing information
     required to be provided to the trustee by the servicer
     under the pooling and servicing, or similar, agreement, for inclusion
     in these reports is included in these reports;

  4. I am responsible for reviewing the activities performed by the servicer
     under the pooling and servicing, or similar, agreement and based upon
     my knowledge and the annual compliance review required under that
     agreement, and except as disclosed in the reports, the servicer has
     fulfilled its obligations under that agreement; and

  5. The reports disclose all significant deficiencies relating to the
     servicers compliance with the minimum servicing standards based upon
     the report provided by an independent public accountant, after
     conducting a review in compliance with the Uniform Single
     Attestation Program for Mortgage Bankers or similar procedure, as
     set forth in the pooling and servicing, or similar, agreement that
     is included in these reports.

     In giving the certifications above, I have reasonably relied on
     information provided to me by the following unaffiliated parties:
     Wells Fargo Bank, National Association, as Indenture Trustee.

     Date:  March 29, 2005

     By: /s/ Michael Strauss
     Name: Michael Strauss
     Company: American Home Mortgage Servicing, Inc. (f/k/a Columbia
     National, Incorporated)
     Title: Cheif Executive Officer


  EX-99.1
REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM


To the Board of Directors of
American Home Mortgage Servicing, Inc.
Melville, New York


We have examined management's assertion that American Home Mortgage Servicing,
Inc. (formerly Columbia National, Incorporated) (the "Company") has complied
as of and for the year ended December 31, 2004, with its established minimum
servicing standards described in the accompanying Mortgage Bankers Association
of America's Uniform Single Attestation Program for Mortgage Bankers (USAP) as
of and for the year ended December 31, 2004. Management is responsible for the
Company's compliance with those minimum servicing standards. Our responsibility
is to express an opinion on management's assertion about the Company's
compliance based on our examination.


Our examination was conducted in accordance with attestation standards
established by the American Institute of Certified Public Accountants, as
adopted by the Public Company Accounting Oversight Board and accordingly,
included examining, on a test basis, evidence about the Company's compliance
with its minimum servicing standards and performing such other procedures as we
considered necessary in the circumstances. We believe that our examination
provides a reasonable basis for our opinion. Our examination does not provide a
legal determination on the Company's compliance with its minimum servicing
standards.


In our opinion, management's assertion that the Company complied with the
aforementioned minimum servicing standards as of and for the year ended
December 31, 2004, is fairly stated, in all material respects based on the
criteria set forth in Appendix I.


/s/ Deloitte & Touche LLP

Princeton, New Jersey
March 25, 2005





MANAGEMENT ASSERTION

As of and for the year ended December 31, 2004, American Home Mortgage
Servicing, Inc. (formerly Columbia National, Incorporated) (the "Company") has
complied in all material respects with the Company's established minimum
servicing standards for residential mortgage loans as set forth in Appendix I
(the "Standards"). The Standards are based on the Mortgage Bankers Association
of America's Uniform Single Attestation Program for Mortgage Bankers. As of and
for this same period, the Company had in effect a fidelity bond in the amount
of $15,000,000 and errors and omissions policy in the amount of $15,000,000.

March 25, 2005


/s/ Michael Strauss
Michael Strauss
Chief Executive Officer


/s/ Robert Bernstein
Robert Bernstein
Controller


/s/ Stephen Hozie
Stephen Hozie
Chief Financial Officer


/s/ David Friedman
David Friedman
Executive Vice President




APPENDIX I

MINIMUM SERVICING STANDARDS AS SET FORTH IN THE MORTGAGE
BANKERS ASSOCIATION OF AMERICA'S UNIFORM SINGLE
ATTESTATION PROGRAM FOR MORTGAGE BANKERS

I. CUSTODIAL BANK ACCOUNTS

1. Reconciliations shall be prepared on a monthly basis for all custodial bank
accounts and related bank clearing accounts. These reconciliations shall:

Be mathematically accurate

Be prepared within forty-five (45) calendar days after the cutoff date

Be reviewed and approved by someone other than the person who prepared the
reconciliation

Document explanations for reconciling items. These reconciling items shall be
resolved within ninety (90) calendar days of their original identification.

2. Funds of the servicing entity shall be advanced in cases where there is an
overdraft in an investor's or a mortgagor's account.

3. Each custodial account shall be maintained at a federally insured depository
institution in trust for the applicable investor.

4. Escrow funds held in trust for a mortgagor shall be returned to the mortgagor
within thirty (30) calendar days of payoff of the mortgage loan.

II. MORTGAGE PAYMENTS

1. Mortgage payments shall be deposited into the custodial bank accounts and
related bank clearing accounts within two business days of receipt.

2. Mortgage payments made in accordance with the mortgagor's loan documents
shall be posted to the applicable mortgagor records within two business days of
receipt.

3. Mortgage payments shall be allocated to principal, interest, insurance,
taxes, or other escrow items in accordance with the mortgagor's loan documents.

4. Mortgage payments identified as loan payoffs shall be allocated in accordance
with the mortgagor's loan documents.

III. DISBURSEMENTS

1. Disbursements made via wire transfer on behalf of a mortgagor or investor
shall be made only by authorized personnel.

2. Disbursements made on behalf of a mortgagor or investor shall be posted
within two business days to the mortgagor's or investor's records maintained by
the servicing entity.

3. Tax and insurance payments shall be made on or before the penalty or
insurance policy expiration dates, as indicated on tax bills and insurance
premium notices, respectively, provided that such support has been received by
the servicing entity at least thirty (30) calendar days prior to these dates.

4. Any late payment penalties paid in conjunction with the payment of any tax
bill or insurance premium notice shall be paid from the servicing entity's funds
and not charged to the mortgagor, unless the late payment was due to the
mortgagor's error or omission.

5. Amounts remitted to investors per the servicer's investor reports shall agree
with cancelled checks, or other form of payment, or custodial bank statements.

6. Unused checks shall be safeguarded so as to prevent unauthorized access.

IV. INVESTOR ACCOUNTING AND REPORTING

1. The servicing entity's investor reports shall agree with, or reconcile to,
investors' records on a monthly basis as to the total unpaid principal balance
and number of loans serviced by the servicing entity.

V. MORTGAGOR LOAN ACCOUNTING

1. The servicing entity's mortgage loan records shall agree with, or reconcile
to, the records of mortgagors with respect to the unpaid principal balance on a
monthly basis.

2. Adjustments on ARM loans shall be computed based on the related mortgage note
and any ARM rider.

3. Escrow accounts shall be analyzed, in accordance with the mortgagor's loan
documents, on at least an annual basis.

4. Interest on escrow accounts shall be paid, or credited, to mortgagors in
accordance with the applicable state laws.

VI. DELINQUENCIES

1. Records documenting collection efforts shall be maintained during the period
a loan is in default and shall be updated at least monthly. Such records shall
describe the entity's activities in monitoring delinquent loans including, for
example, phone calls, letters, and mortgage payment rescheduling plans in cases
where the delinquency is deemed temporary (e.g., illness or unemployment).

VII. INSURANCE POLICIES

1. A fidelity bond and errors and omissions policy shall be in effect on the
servicing entity throughout the reporting period in the amount of coverage
represented to investors in management's assertion.





  EX-99.2
MANAGEMENT ASSERTION



As of and for the year ended December 31, 2004, American Home Mortgage
Servicing, Inc. (formerly Columbia National, Incorporated) (the "Company") has
complied in all material respects with the Company's established minimum
servicing standards for residential mortgage loans as set forth in Appendix I
(the "Standards"). The Standards are based on the Mortgage Bankers Association
of America's Uniform Single Attestation Program for Mortgage Bankers. As of and
for this same period, the Company had in effect a fidelity bond in the amount
of $15,000,000 and errors and omissions policy in the amount of $15,000,000.

March 25, 2005


/s/ Michael Strauss
Michael Strauss
Chief Executive Officer


/s/ Robert Bernstein
Robert Bernstein
Controller


/s/ Stephen Hozie
Stephen Hozie
Chief Financial Officer


/s/ David Friedman
David Friedman
Executive Vice President




APPENDIX I

MINIMUM SERVICING STANDARDS AS SET FORTH IN THE MORTGAGE
BANKERS ASSOCIATION OF AMERICA'S UNIFORM SINGLE
ATTESTATION PROGRAM FOR MORTGAGE BANKERS

I. CUSTODIAL BANK ACCOUNTS

1. Reconciliations shall be prepared on a monthly basis for all custodial bank
accounts and related bank clearing accounts. These reconciliations shall:

Be mathematically accurate

Be prepared within forty-five (45) calendar days after the cutoff date

Be reviewed and approved by someone other than the person who prepared the
reconciliation

Document explanations for reconciling items. These reconciling items shall be
resolved within ninety (90) calendar days of their original identification.

2. Funds of the servicing entity shall be advanced in cases where there is an
overdraft in an investor's or a mortgagor's account.

3. Each custodial account shall be maintained at a federally insured depository
institution in trust for the applicable investor.

4. Escrow funds held in trust for a mortgagor shall be returned to the mortgagor
within thirty (30) calendar days of payoff of the mortgage loan.

II. MORTGAGE PAYMENTS

1. Mortgage payments shall be deposited into the custodial bank accounts and
related bank clearing accounts within two business days of receipt.

2. Mortgage payments made in accordance with the mortgagor's loan documents
shall be posted to the applicable mortgagor records within two business days of
receipt.

3. Mortgage payments shall be allocated to principal, interest, insurance,
taxes, or other escrow items in accordance with the mortgagor's loan documents.

4. Mortgage payments identified as loan payoffs shall be allocated in accordance
with the mortgagor's loan documents.

III. DISBURSEMENTS

1. Disbursements made via wire transfer on behalf of a mortgagor or investor
shall be made only by authorized personnel.

2. Disbursements made on behalf of a mortgagor or investor shall be posted
within two business days to the mortgagor's or investor's records maintained by
the servicing entity.

3. Tax and insurance payments shall be made on or before the penalty or
insurance policy expiration dates, as indicated on tax bills and insurance
premium notices, respectively, provided that such support has been received by
the servicing entity at least thirty (30) calendar days prior to these dates.

4. Any late payment penalties paid in conjunction with the payment of any tax
bill or insurance premium notice shall be paid from the servicing entity's funds
and not charged to the mortgagor, unless the late payment was due to the
mortgagor's error or omission.

5. Amounts remitted to investors per the servicer's investor reports shall agree
with cancelled checks, or other form of payment, or custodial bank statements.

6. Unused checks shall be safeguarded so as to prevent unauthorized access.

IV. INVESTOR ACCOUNTING AND REPORTING

1. The servicing entity's investor reports shall agree with, or reconcile to,
investors' records on a monthly basis as to the total unpaid principal balance
and number of loans serviced by the servicing entity.

V. MORTGAGOR LOAN ACCOUNTING

1. The servicing entity's mortgage loan records shall agree with, or reconcile
to, the records of mortgagors with respect to the unpaid principal balance on a
monthly basis.

2. Adjustments on ARM loans shall be computed based on the related mortgage note
and any ARM rider.

3. Escrow accounts shall be analyzed, in accordance with the mortgagor's loan
documents, on at least an annual basis.

4. Interest on escrow accounts shall be paid, or credited, to mortgagors in
accordance with the applicable state laws.

VI. DELINQUENCIES

1. Records documenting collection efforts shall be maintained during the period
a loan is in default and shall be updated at least monthly. Such records shall
describe the entity's activities in monitoring delinquent loans including, for
example, phone calls, letters, and mortgage payment rescheduling plans in cases
where the delinquency is deemed temporary (e.g., illness or unemployment).

VII. INSURANCE POLICIES

1. A fidelity bond and errors and omissions policy shall be in effect on the
servicing entity throughout the reporting period in the amount of coverage
represented to investors in management's assertion.





  EX-99.3
OFFICER'S CERTIFICATE PURSUANT TO SECTION 3.16 OF THE SERVICING
AGREEMENT DATED AS OF JUNE 30, 2004

AMERICAN HOME MORTGAGE INVESTMENT TRUST 2004-2
MORTGAGE-BACKED NOTES, SERIES 2004-2


I, Michael Strauss, Chief Executive Officer of American Home Mortgage Servicing,
Inc. (formerly known as Columbia National, Incorporated), as Master Servicer in
connection with American Home Mortgage Investment Trust 2004-2, Mortgage-Backed
Notes, Series 2004-2, do hereby certify that:

(i)    a review of the activities of the Master Servicer during the preceding
       calendar year and of Master Servicer's performance under this Servicing
       Agreement has been made under my supervision;

(ii)   to the best of my knowledge, based on such review, the Master Servicer
       has fulfilled all its obligations under this Servicing Agreement for such
       year;

(iii)  a review of the  activities of each Subservicer during the Subservicer's
       most recently ended calendar year on or  prior  to  December  31 of the
       preceding year and each Subservicer's performance under its Subservicing
       Agreement has been made under my supervision; and

(iv)   to the best my knowledge, based on my reviews and the certification of an
       officer of each Subservicer, each Subservicer has performed and fulfilled
       its duties, responsibilities and obligations under this Servicing
       Agreement and its Subservicing Agreement in all material respects
       throughout the year.


Certified on this 22nd day of March 2005.


AMERICAN HOME MORTGAGE
SERVICING, INC.


By: /s/ Michael Strauss
Name: Michael Strauss
Title: Chief Executive Officer





  Ex-99.4

   Schedule of Year-To-Date Principal and Interest Distributions to
   Certificateholders


   <TABLE>

   Class                              Interest             Principal               Losses             Ending Balance
   
                       <c>                    <c>                  <c>                 <c>
   I-A                            3,767,828.56         82,626,417.29                 0.00             309,226,582.71
   II-A                           3,337,206.64          9,920,989.58                 0.00             170,047,010.42
   III-A                          2,810,168.36         19,395,655.13                 0.00             115,901,344.87
   IV-A-1                         1,559,797.62         30,501,307.08                 0.00             109,019,692.92
   IV-A-2                           930,774.55                  0.00                 0.00              52,675,000.00
   IV-A-3                         2,207,386.98                  0.00                 0.00              97,028,000.00
   IV-A-4                         1,231,366.50                  0.00                 0.00              54,126,000.00
   IV-A-5                         1,392,481.98                  0.00                 0.00              61,208,000.00
   IV-A-6                         2,405,835.24                  0.00                 0.00             105,751,000.00
   M-1                              524,316.84                  0.00                 0.00              44,880,000.00
   M-2                              219,997.88                  0.00                 0.00              13,808,000.00
   M-3                              175,508.76                  0.00                 0.00               8,285,500.00
   N                                272,283.82          8,209,524.69                 0.00               5,790,475.32
   OC                                     0.00                  0.00                 0.00               5,523,437.16
   OT                                     0.00                  0.00                 0.00                       0.00
   V-A                            2,453,934.02          7,036,155.27                 0.00              83,898,844.73
   </TABLE>