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): February 16, 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 7 - Regulation FD
-------------------------

Item 7.01  Regulation FD Disclosure

     On February 16, 2006 Sonoma Valley Bancorp  announced via press release the
declaration of a cash dividend of $0.25 per share,  payable on March 15, 2006 to
the  shareholders of record as of the close of business,  Pacific Standard Time,
on March 1, 2006. A copy of the press release is attached hereto as Exhibit 99.1
and is incorporated herein by reference.

     On February 17, 2006, Sonoma Valley Bancorp announced via press release its
stock repurchase program to purchase up to 60,000 shares of the company's common
stock through open market and privately negotiated  transactions.  A copy of the
press release is attached hereto as Exhibit 99.2 and is  incorporated  herein by
reference.


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

Item 9.01 Financial Statements and Exhibits

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

        99.1        Press release dated February 16, 2006, titled "Sonoma Valley
                    Bancorp Declares Cash Dividend"

        99.2        Press release dated February 17, 2006, titled "Sonoma Valley
                    Bancorp   Announces  Stock   Repurchase   Program  Board  of
                    Directors Authorizes 60,000 Shares"


<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:  February 17, 2006                   /s/ Mel Switzer, Jr.
        -------------------                 ------------------------------------
                                            Mel Switzer, Jr.,
                                            Chief Executive Officer
                                            (Principal Executive Officer)


<PAGE>


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


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

       99.1         Press release dated February 16, 2006, titled "Sonoma Valley
                    Bancorp Declares Cash Dividend"

       99.2         Press release dated February 17, 2006, titled "Sonoma Valley
                    Bancorp   Announces  Stock   Repurchase   Program  Board  of
                    Directors Authorizes 60,000 Shares"
[{"type": "8-K", "sequence": "1", "filename": "for021606.txt", "secsgml_size_bytes": 4505}]
{"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": "06630806"}, "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): February 16, 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 7 - Regulation FD
-------------------------

Item 7.01  Regulation FD Disclosure

     On February 16, 2006 Sonoma Valley Bancorp  announced via press release the
declaration of a cash dividend of $0.25 per share,  payable on March 15, 2006 to
the  shareholders of record as of the close of business,  Pacific Standard Time,
on March 1, 2006. A copy of the press release is attached hereto as Exhibit 99.1
and is incorporated herein by reference.

     On February 17, 2006, Sonoma Valley Bancorp announced via press release its
stock repurchase program to purchase up to 60,000 shares of the company's common
stock through open market and privately negotiated  transactions.  A copy of the
press release is attached hereto as Exhibit 99.2 and is  incorporated  herein by
reference.

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

Item 9.01 Financial Statements and Exhibits

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

        99.1        Press release dated February 16, 2006, titled "Sonoma Valley
                    Bancorp Declares Cash Dividend"

        99.2        Press release dated February 17, 2006, titled "Sonoma Valley
                    Bancorp   Announces  Stock   Repurchase   Program  Board  of
                    Directors Authorizes 60,000 Shares"
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:  February 17, 2006                   /s/ Mel Switzer, Jr.
        -------------------                 ------------------------------------
                                            Mel Switzer, Jr.,
                                            Chief Executive Officer
                                            (Principal Executive Officer)
EXHIBIT INDEX
                                -------------

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

       99.1         Press release dated February 16, 2006, titled "Sonoma Valley
                    Bancorp Declares Cash Dividend"

       99.2         Press release dated February 17, 2006, titled "Sonoma Valley
                    Bancorp   Announces  Stock   Repurchase   Program  Board  of
                    Directors Authorizes 60,000 Shares"