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): April 7, 2006



                              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 its quarter ended March 31,
2006, 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 April 7, 2006,  titled  "Sonoma  Valley
                    Bancorp Announces Record Levels of Earnings and Assets"




<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:  April 10, 2006                      /s/ Mel Switzer, Jr.
        --------------                      ---------------------------------
                                            Mel Switzer, Jr.,
                                            Chief Executive Officer
                                            (Principal Executive Officer)


<PAGE>


                                  EXHIBIT INDEX


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

              99             Press release dated April 7, 2006, titled "Sonoma
                             Valley Bancorp Announces Record Levels of Earnings
                             and Assets"
[{"type": "8-K", "sequence": "1", "filename": "for040706.txt", "secsgml_size_bytes": 3669}]
{"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": "06751989"}, "business-address": {"street1": "C/O SONOMA VALLEY BANCORP", "street2": "202 WEST NAPA STREET", "city": "SONOMA", "state": "CA", "zip": "95476", "phone": "9164420400"}, "mail-address": {"street1": "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): April 7, 2006

                              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 its quarter ended March 31,
2006, 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 April 7, 2006,  titled  "Sonoma  Valley
                    Bancorp Announces Record Levels of Earnings and Assets"
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:  April 10, 2006                      /s/ Mel Switzer, Jr.
        --------------                      ---------------------------------
                                            Mel Switzer, Jr.,
                                            Chief Executive Officer
                                            (Principal Executive Officer)
EXHIBIT INDEX

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

              99             Press release dated April 7, 2006, titled "Sonoma
                             Valley Bancorp Announces Record Levels of Earnings
                             and Assets"