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 25, 2003



                                HUMBOLDT BANCORP
             (Exact name of registrant as specified in its charter)


           California                    0-27784                93-1175446
           ----------                    -------                ----------
(State or other jurisdiction of        (Commission            (I.R.S. Employer
 incorporation or organization)         File Number)         Identification No.)




                        2998 Douglas Boulevard, Suite 330
                               Roseville, CA 95661
                                  916.783.2812
          (Address and telephone number of principal executive offices)


<PAGE>



Item 9.  Regulation FD Disclosure

     On February  25,  2003,  the Chief  Executive  Officer and Chief  Financial
Officer of Humboldt  Bancorp (the "Company")  each submitted the  certifications
required by Section 906 of the Sarbanes-Oxley Act of 2002 in connection with the
filing of the Company's  Amended Annual Report on Form 10-K/A for the year ended
December 31, 2001. Copies of the foregoing certifications are attached hereto as
exhibits.   The   certifications   required  pursuant  to  Section  302  of  the
Sarbanes-Oxley Act of 2002 are being filed as part of the Form 10-K/A.

                                    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.


Dated: February 25,  2003                   HUMBOLDT BANCORP,
                                            a California Corporation

                                            /S/ PATRICK J. RUSNAK
                                            ---------------------------
                                            Patrick J. Rusnak
                                            Chief Financial Officer


<PAGE>



Exhibit Index

99.1     Certification of Form 10-K/A by Chief Executive Officer
99.2     Certification of Form 10-K/A by Chief Financial Officer
[{"type": "8-K", "sequence": "1", "filename": "for022503.txt", "secsgml_size_bytes": 2414}]
{"company-data": {"conformed-name": "HUMBOLDT BANCORP", "cik": "0001008554", "assigned-sic": "6021", "irs-number": "931175446", "state-of-incorporation": "CA", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-27784", "film-number": "03581396"}, "business-address": {"street1": "2440 SIXTH STREET", "city": "EUREKA", "state": "CA", "zip": "95501", "phone": "7074453233"}, "mail-address": {"street1": "2440 SIXTH STREET", "city": "EUREKA", "state": "CA", "zip": "95501"}}
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 25, 2003

                                HUMBOLDT BANCORP
             (Exact name of registrant as specified in its charter)

           California                    0-27784                93-1175446
           ----------                    -------                ----------
(State or other jurisdiction of        (Commission            (I.R.S. Employer
 incorporation or organization)         File Number)         Identification No.)

                        2998 Douglas Boulevard, Suite 330
                               Roseville, CA 95661
                                  916.783.2812
          (Address and telephone number of principal executive offices)
Item 9.  Regulation FD Disclosure

     On February  25,  2003,  the Chief  Executive  Officer and Chief  Financial
Officer of Humboldt  Bancorp (the "Company")  each submitted the  certifications
required by Section 906 of the Sarbanes-Oxley Act of 2002 in connection with the
filing of the Company's  Amended Annual Report on Form 10-K/A for the year ended
December 31, 2001. Copies of the foregoing certifications are attached hereto as
exhibits.   The   certifications   required  pursuant  to  Section  302  of  the
Sarbanes-Oxley Act of 2002 are being filed as part of the Form 10-K/A.

                                    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.

Dated: February 25,  2003                   HUMBOLDT BANCORP,
                                            a California Corporation

                                            /S/ PATRICK J. RUSNAK
                                            ---------------------------
                                            Patrick J. Rusnak
                                            Chief Financial Officer
Exhibit Index

99.1     Certification of Form 10-K/A by Chief Executive Officer
99.2     Certification of Form 10-K/A by Chief Financial Officer