Exhibit
32.2
CERTIFICATION
PURSUANT TO
18
U.S.C. SECTION 1350
AS
ADOPTED PURSUANT TO
SECTION
906 OF THE SARBANES-OXLEY ACT OF 2002
In
connection with the Quarterly Report of SJW Corp. (the ‘‘Company’’) on Form 10-Q
for the quarter ended June 30, 2007 as filed with the Securities and
Exchange Commission on the date hereof (the ‘‘Report’’), I, Angela Yip, Chief
Financial Officer and Treasurer of the Company, certify, pursuant to
18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002, that to my knowledge on the date
hereof:
(1) the
Report fully complies with the requirements of section 13(a) or 15(d) of the
Securities Exchange Act of 1934; and
(2) the
information contained in the Report fairly presents, in all material respects,
the financial condition and results of operations of the Company.
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/s/
ANGELA YIP
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Angela
Yip
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Chief
Financial Officer and Treasurer
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(Principal
financial officer)
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August
3, 2007
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