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)  June 28, 2006
                                                 ---------------
                         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)

     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:

     [ ] 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 7.01  Regulation FD Disclosure.

On June 28, 2006, SJW Land Company, SJW Corp.'s wholly owned
subsidiary, purchased a warehouse building located in Phoenix,
Arizona for a purchase price of approximately $12,450,000.  Such
property is leased to a multinational company for 13 years.  The
purchase price was paid using the proceeds received in
connection with a nonutility property condemnation settlement
that occurred in the fourth quarter of 2004, pursuant to
Internal Revenue Code Section 1033.  SJW Land Company also
obtained a loan of approximately $3,825,000 in connection with
the purchase of the property.  A copy of the press release
announcing such purchase is attached hereto as Exhibit 99.1 and
is incorporated into this Form 8-K by reference.

Item 9.01  Financial Statements and Exhibits.

(c)  Exhibits

Exhibit
Number       Description of Document
--------     ------------------------

99.1         Press Release issued by SJW Corp., dated June 30,
             2006, announcing the purchase of property.


                         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.
                                  --------------------

June 30, 2006                      /s/ Angela Yip
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                                  Angela Yip,
                                  Chief Financial Officer
                                  and Treasurer


Exhibit
Number       Description of Document
--------     ------------------------

99.1         Press Release issued by SJW Corp., dated June 30,
             2006, announcing the purchase of property.