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): July 8, 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 second  quarter ended
June 30, 2005, 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 July 8, 2005, titled
                                    "Sonoma Valley Bancorp Announces
                                    Record Levels of Assets and Earnings for
                                    Second Quarter 2005"





<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:  July 8, 2005         /s/ Mel Switzer, Jr.
                             ----------------------------------
                             Mel Switzer, Jr.,
                             Chief Executive Officer and President
                             (Principal Executive Officer)


<PAGE>


                                  EXHIBIT INDEX


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

              99                    Press release dated July 8, 2005, titled
                                    "Sonoma Valley Bancorp Announces
                                    Record Levels of Assets and Earnings for
                                    Second Quarter 2005"
[{"type": "8-K", "sequence": "1", "filename": "for070805.txt", "secsgml_size_bytes": 3744}]
{"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": "05946841"}, "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): July 8, 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 second  quarter ended
June 30, 2005, 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 July 8, 2005, titled
                                    "Sonoma Valley Bancorp Announces
                                    Record Levels of Assets and Earnings for
                                    Second Quarter 2005"
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:  July 8, 2005         /s/ Mel Switzer, Jr.
                             ----------------------------------
                             Mel Switzer, Jr.,
                             Chief Executive Officer and President
                             (Principal Executive Officer)
EXHIBIT INDEX

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

              99                    Press release dated July 8, 2005, titled
                                    "Sonoma Valley Bancorp Announces
                                    Record Levels of Assets and Earnings for
                                    Second Quarter 2005"