UNITED STATES
                 SECURITIES AND EXCHANGE COMMISSION

                       WASHINGTON, D.C. 20549

                             FORM 10-Q

           Quarterly Report Pursuant to Section 13 or 15(d)
              of the Securities Exchange Act of 1934

           For the quarterly period ended June 30, 2003
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Commission file number             1-8966
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                         SJW Corp.
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     (Exact name of registrant as specified in its charter)

          California                             77-0066628
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(State or other jurisdiction of               (I.R.S Employer
 incorporation or organization)              Identification No.)

   374 West Santa Clara Street, San Jose, CA          95196
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   (Address of principal executive offices)        (Zip Code)

                           408-279-7800
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      (Registrant's telephone number, including area code)

                          Not Applicable
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   (Former name, former address and former fiscal year changed
                        since last report)

Indicate by check mark whether the registrant (1) has filed all
reports required to be filed by Section 13 or 15(d) of the
Securities Exchange Act of 1934 during the preceding 12 months
(or for such shorter period that the registrant was required to
file such reports), and (2) has been subject to such filing
requirements for the past 90 days.    Yes  x      No _

Indicate by check mark whether the registrant is an accelerated
filer (as defined by Rule 12b-2 of the Exchange Act). Yes X No
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               APPLICABLE ONLY TO CORPORATE ISSUERS:

Common shares outstanding as of the date of this report are
3,045,147.