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): January 20, 2005



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


     California                    000-31929                     68-0454068
     ----------                    ---------                     ----------
  (State or other            (Commission File No.)            (I.R.S. Employer
    jurisdiction                                             Identification No.)
 of incorporation)



                 202 West Napa Street, Sonoma, California 95476
                 ----------------------------------------------
               (Address of principal executive offices) (Zip Code)


                                 (707) 935-3200
                                 --------------
              (Registrant's telephone number, including area code)


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 2 - Financial Information
---------------------------------

Item 2.02   Results of Operations and Financial Condition

     Sonoma Valley Bancorp announced its results for the year ended December 31,
2004 on the press release attached as Exhibit 99.


Section 9 - Financial Statements and Exhibits
---------------------------------------------

Item 9.01   Financial Statements and Exhibits

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

         99         Press release dated January 20, 2005 titled  "Sonoma  Valley
                    Bancorp Announces Total Assets $218 Million"


<PAGE>
                                    SIGNATURE

     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.


                                      SONOMA VALLEY BANCORP,
                                      a California Corporation


Dated:  January 20, 2005              /s/ Sean C. Cutting
        ----------------              --------------------------------------
                                      Sean C. Cutting,
                                      Senior Vice President &
                                      Chief Lending Officer

<PAGE>


                                  EXHIBIT INDEX
                                  -------------


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

        99          Press release dated January 20, 2005 titled  "Sonoma  Valley
                    Bancorp Announces Total Assets $218 Million"
[{"type": "8-K", "sequence": "1", "filename": "for012005.txt", "description": "FORM 8-K FOR PRESS RELEASE DTD JANUARY 20, 2005", "secsgml_size_bytes": 3560}]
{"company-data": {"conformed-name": "SONOMA VALLEY BANCORP", "cik": "0001120427", "assigned-sic": "6021", "irs-number": "680454068", "state-of-incorporation": "CA", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-31929", "film-number": "05539841"}, "business-address": {"street1": "C/O SONOMA VALLEY BANCORP", "street2": "202 WEST NAPA STREET", "city": "SONOMA", "state": "CA", "zip": "95476"}}
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): January 20, 2005

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

     California                    000-31929                     68-0454068
     ----------                    ---------                     ----------
  (State or other            (Commission File No.)            (I.R.S. Employer
    jurisdiction                                             Identification No.)
 of incorporation)

                 202 West Napa Street, Sonoma, California 95476
                 ----------------------------------------------
               (Address of principal executive offices) (Zip Code)

                                 (707) 935-3200
                                 --------------
              (Registrant's telephone number, including area code)

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 2 - Financial Information
---------------------------------

Item 2.02   Results of Operations and Financial Condition

     Sonoma Valley Bancorp announced its results for the year ended December 31,
2004 on the press release attached as Exhibit 99.

Section 9 - Financial Statements and Exhibits
---------------------------------------------

Item 9.01   Financial Statements and Exhibits

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

         99         Press release dated January 20, 2005 titled  "Sonoma  Valley
                    Bancorp Announces Total Assets $218 Million"
SIGNATURE

     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.

                                      SONOMA VALLEY BANCORP,
                                      a California Corporation

Dated:  January 20, 2005              /s/ Sean C. Cutting
        ----------------              --------------------------------------
                                      Sean C. Cutting,
                                      Senior Vice President &
                                      Chief Lending Officer
EXHIBIT INDEX
                                  -------------

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

        99          Press release dated January 20, 2005 titled  "Sonoma  Valley
                    Bancorp Announces Total Assets $218 Million"