EXHIBIT 99.1


SAN JOSE, CA, March 23, 2006 - San Jose Water Company (SJWC), a
wholly owned subsidiary of SJW Corp. (NYSE:SJW), announced today
that it has appointed Rahul Mathur as controller effective March
27, 2006.

Prior to joining San Jose Water Company, Rahul Mathur was a
Customer Group Controller at KLA-Tencor Corporation.  Mr. Mathur
held positions in finance and operations at KLA-Tencor
Corporation since 1998.  Prior to working for KLA-Tencor
Corporation, Mr. Mathur was a consultant with Arthur Andersen.
Mr. Mathur holds a bachelor's degree in Applied Mathematics from
Dartmouth College and an MBA from the Wharton School of Business
at the University of Pennsylvania.

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 one million people in 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.