Exhibit 99.2

                           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 William Lyon Homes (the Company)
on Form 10-Q for the period ending June 30, 2002 as filed with the Securities
and Exchange Commission on the date hereof (the Report), I, Michael D. Grubbs,
Chief Financial Officer 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:

     (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.

/s/ Michael D. Grubbs
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Michael D. Grubbs
Senior Vice President, Chief
Financial Officer and Treasurer
August 14, 2002