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):  SEPTEMBER 1, 2006
                                                         -----------------

                               SAN JOAQUIN BANCORP
            ----------------------------------------------------------
               (Exact name of registrant as specified in charter)


     CALIFORNIA                      000-52165                 20-5002515
  ---------------             --------------------------   -----------------
(State or Other Jurisdiction   (Commission File Number)      (IRS Employer
     of Incorporation)                                     Identification No.)


               1000 TRUXTUN AVENUE, BAKERSFIELD, CALIFORNIA 93301
             ------------------------------------------------------
              (Address of Principal Executive Offices)  (Zip Code)


                                  661-281-0360
                            ------------------------
              (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))





ITEM 1.01   ENTRY INTO A MATERIAL DEFINITIVE AGREEMENT
            ------------------------------------------

    On September 1, 2006,  San Joaquin  Bancorp (the  "Company") and San Joaquin
Bancorp  Trust #1, a Delaware  statutory  trust (the  "Trust"),  entered  into a
Purchase Agreement with TWE, Ltd. for the sale of $10 million of trust preferred
securities  to be  issued  by the  Trust  and  guaranteed  by the  Company  on a
subordinated basis.

    On September 1, 2006,  the Trust issued $10 million of  securities  under an
Amended and Restated  Declaration  of Trust,  dated as of September 1, 2006. The
trust preferred securities are guaranteed by the Company on a subordinated basis
pursuant to a Guarantee Agreement, dated as of September 1, 2006.

    The trust  preferred  securities  will have a floating  annual  distribution
rate,  reset quarterly,  equal to LIBOR plus 1.60%.  Each of the trust preferred
securities represents an undivided interest in the assets of the Trust.

    The Company will own all of the Trust's common securities.  The Trust's only
assets  will  be  the  junior  subordinated  notes  issued  by  the  Company  on
substantially  the same payment  terms as the trust  preferred  securities.  The
Company's junior subordinated notes were issued pursuant to an Indenture,  dated
as of September 1, 2006.


ITEM 2.03   CREATION OF A DIRECT FINANCIAL OBLIGATION OR AN OBLIGATION UNDER AN
            OFF-BALANCE SHEET ARRANGEMENT OF THE REGISTRANT
            -----------------------------------------------

    The information in Item 1.01 is hereby incorporated by reference.


ITEM 9.01   FINANCIAL STATEMENTS AND EXHIBITS
            ---------------------------------

(d) Exhibits

EXHIBIT NUMBER     DESCRIPTION

10.1               Indenture, dated as of September 1, 2006, between San Joaquin
                   Bancorp and Wilmington Trust Company, as Trustee.

10.2               Guarantee Agreement, dated as of September 1, 2006, between
                   San Joaquin Bancorp, as Guarantor, and Wilmington Trust
                   Company, as Guarantee Trustee.

10.3               Amended and Restated Declaration of Trust of San Joaquin
                   Bancorp Trust #1, dated as of September 1, 2006.

99.1               Press Release announcing the issuance of $10 million in trust
                   preferred securities, dated September 5, 2006.




                                   SIGNATURES


    Pursuant to the requirements of the Securities Exchange Act of 1934, as
amended, the registrant has duly caused this report to be signed on its behalf
by the undersigned hereunto duly authorized.


                                    SAN JOAQUIN BANCORP



Date:  September 5, 2006            By: /s/ Stephen M. Annis
                                        --------------------
                                          Stephen M. Annis
                                          Executive Vice-President &
                                          Chief Financial Officer