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) April 28, 2005
                                               -----------------
                             SJW Corp.
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(Exact name of registrant as specified in its charter)

    California                    1-8966          77-0066628
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(State or other jurisdiction   (Commission      (IRS Employer
     of incorporation)         File Number)  Identification No.)

    374 W. Santa Clara Street, San Jose, California     95113
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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 or former address, if changed since last report)


Item 2.02.  Results of Operations and Financial Condition.

On April 28, 2005, SJW Corp. announced its financial results
for the first quarter ended March 31, 2005.  A copy of the press
release announcing these financial results is attached as
Exhibit 99.1 hereto and incorporated into this Form 8-K by
reference.


                             SIGNATURES

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 thereunto duly authorized.


                                  SJW Corp.
                                  -----------------------------


May 2, 2005                       /s/ Angela Yip
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                                  Angela Yip, 
                                  Chief Financial Officer  
                                  and Treasurer


                              EXHIBIT INDEX

Exhibit 
Number                   Description of Document
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99.1    Press Release issued by SJW Corp., dated April 28, 2005,
        announcing 1st Quarter of 2005 Financial Results.