EX-99 cert

                            FORM N-CSR CERTIFICATION

I, Brian S. Shlissel, certify that:

1.       I have reviewed this report on the Form N-CSR of the PIMCO California
         Municipal Income Fund III

2.       Based on my knowledge, the report does not contain any untrue statement
         of a material fact or omit to state a material fact necessary to make
         the statements made, in light of the circumstances under which such
         statements were made, not misleading with respect to the period covered
         by the report;

3.       Based on my knowledge, the financial statements, and other financial
         information included in this report, fairly present in all material
         respects the financial condition, results of operations, changes in net
         assets, and cash flows (if the financial statements are required to
         include a statement of cash flows) of the registrant as of, and for,
         the periods in the report:

4.       The registrant's other certifying officers and I are responsible for
         establishing and maintaining disclosure controls and procedures (as
         defined in Rule 30a-2(c) under the Investment Company Act of 1940) for
         the registrant and have:

         (a) Designed such disclosure controls and procedures to ensure that
             material information relating to the registrant, including its
             consolidated subsidiaries, is made known to us by others within
             those entities, particularly during the period in which this report
             is being prepared:

         (b) Evaluated the effectiveness of the registrant's disclosure controls
             and procedures as of a date within 90 days prior to the filing date
             of this report (the "Evaluation Date"); and

         (c) Presented in this report our conclusions about the effectiveness of
             the disclosure controls and procedures based on our evaluation as
             of the Evaluation Date;

5.       The registrant's other certifying officers and I have disclosed, based
         on our most recent evaluation, to the registrant's auditors and the
         audit committee of the registrant's board of directors (or persons
         performing the equivalent functions):

         (a) All significant deficiencies in the design or operation of internal
             controls which could adversely affect the registrant's ability to
             record, process, summarize, and report financial data and have
             identified for the registrant's auditors any material weaknesses in
             internal controls; and

         (b) Any fraud, whether or not material, that involves management or
             other employees who have a significant role in the registrant's
             internal controls; and

6.       The registrant's other certifying officers and I have indicated in this
         report whether or not there were significant changes in internal
         controls or in other factors that could



         significantly affect internal controls subsequent to the date of most
         recent evaluation, including any corrective actions with regard to
         significant deficiencies and material weaknesses.


Dated: December 3, 2003

/s/ Brian S. Shlissel
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Brian S. Shlissel
President & Chief Executive Officer



                                            FORM N-CSR CERTIFICATION

I, Lawrence G. Altadonna, certify that:

1.       I have reviewed this report on the Form N-CSR of the PIMCO California
         Municipal Income Fund III.

2.       Based on my knowledge, the report does not contain any untrue statement
         of a material fact or omit to state a material fact necessary to make
         the statements made, in light of the circumstances under which such
         statements were made, not misleading with respect to the period covered
         by the report;

3.       Based on my knowledge, the financial statements, and other financial
         information included in this report, fairly present in all material
         respects the financial condition, results of operations, changes in net
         assets, and cash flows (if the financial statements are required to
         include a statement of cash flows) of the registrant as of, and for,
         the periods in the report:

4.       The registrant's other certifying officers and I are responsible for
         establishing and maintaining disclosure controls and procedures (as
         defined in Rule 30a-2(c) under the Investment Company Act of 1940) for
         the registrant and have:

         (a) Designed such disclosure controls and procedures to ensure that
             material information relating to the registrant, including its
             consolidated subsidiaries, is made known to us by others within
             those entities, particularly during the period in which this report
             is being prepared:

         (b) Evaluated the effectiveness of the registrant's disclosure controls
             and procedures as of a date within 90 days prior to the filing date
             of this report (the "Evaluation Date"); and

         (c) Presented in this report our conclusions about the effectiveness of
             the disclosure controls and procedures based on our evaluation as
             of the Evaluation Date;

5.       The registrant's other certifying officers and I have disclosed, based
         on our most recent evaluation, to the registrant's auditors and the
         audit committee of the registrant's board of directors (or persons
         performing the equivalent functions):



         (a) All significant deficiencies in the design or operation of internal
             controls which could adversely affect the registrant's ability to
             record, process, summarize, and report financial data and have
             identified for the registrant's auditors any material weaknesses in
             internal controls; and

         (b) Any fraud, whether or not material, that involves management or
             other employees who have a significant role in the registrant's
             internal controls; and

6.       The registrant's other certifying officers and I have indicated in this
         report whether or not there were significant changes in internal
         controls or in other factors that could significantly affect internal
         controls subsequent to the date of most recent evaluation, including
         any corrective actions with regard to significant deficiencies and
         material weaknesses.


Dated: December 3, 2003

/s/ Lawrence G. Altadonna
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Lawrence G. Altadonna
Treasurer