Exhibit 99.1


              SJW CORP. ANNOUNCES PURCHASE OF PROPERTY


     SAN JOSE, CA, June 30, 2006 - SJW Corp. (NYSE:SJW) announces
today that 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.

     SJW Corp. is a publicly traded holding company headquartered
in San Jose, California.  SJW Corp., through its subsidiary San
Jose Water Company, provides water service to a population of
approximately a million people in the San Jose and nearby
communities.



This press release may contain certain forward-looking statements including
but not limited to statements relating to SJW Corp.'s plans, strategies,
objectives, expectations and intentions with respect to its real property,
which are made pursuant to the safe harbor provisions of the U.S. Private
Securities Litigation Reform Act of 1995.  These forward-looking statements
involve known and unknown risks, uncertainties and other factors which may
cause the actual results, performance or achievements of SJW Corp. to be
materially different from any future results, performance or achievements
expressed or implied by such forward-looking statements.  Factors that may
cause actual results, performance or achievements to materially differ may
include future San Jose economic conditions and other factors described in SJW
Corp.?s most recent reports on Form 10-K, Form 10-Q and Form 8-K filed with
the Securities and Exchange Commission.  SJW Corp. undertakes no obligation to
publicly update or revise any forward-looking statement, whether as a result
of new information, future events or otherwise.