EXHIBIT 99.1

                        [REDWOOD TRUST, INC. LETTERHEAD]

                                 April 30, 2005

The Bank of New York
101 Barclay Street, 8 West
New York, NY  10286
Attention:  Trustee Sequoia 2002-A Collateralized MBS Funding Bonds

            RE:   Sequoia Mortgage Funding Company 2002-A Collateralized MBS
                  Funding Bonds;
                  Indenture dated April 1, 2002, between Sequoia Mortgage
                  Funding Company 2002-A and The Bank of New York (the
                  "Indenture");
                  Annual Statement as to Compliance by the Issuer

Ladies and Gentlemen:

      Pursuant to Section 3.10 of the Indenture with respect to the
above-referenced offering and in compliance with the requirements of TIA Section
314(a)(4), the undersigned officer of Redwood Trust, Inc. (the "Manager"), as
manager under the Management Agreement dated April 1, 2002 between Manager and
Sequoia Mortgage Funding Company 2002-A, hereby certifies as to the following:

      1.    a review of the fulfillment by the Issuer of its obligations under
            the Indenture during the preceding fiscal year has been made under
            the direct supervision of the undersigned officer; and

      2.    to the best knowledge of the undersigned officer, based on such
            review, the Issuer has fulfilled all of its material obligations
            under the Indenture throughout the applicable period, and there has
            been no known default in the fulfillment of the Issuer's material
            obligations throughout such period.

                                        Very truly yours,

                                        SEQUOIA MORTGAGE FUNDING
                                        COMPANY 2002-A

                                        By: Redwood Trust, Inc., as Manager

                                        /s/ John Isbrandtsen
                                        ----------------------------------------
                                        Name: John Isbrandtsen
                                        Title: Vice President