EXHIBIT 32.1

CERTIFICATION OF PRINCIPAL EXECUTIVE

OFFICER PURSUANT TO 18 U.S.C.

SECTION 1350 AS ADOPTED PURSUANT

TO SECTION 906 OF THE SARBANES-OXLEY

ACT OF 2002

I, Kevin McCarthy, President and Chief Executive Officer of PFF Bancorp, Inc. (the “Company”) in connection with the Annual Report on Form 10-K for the year ending March 31, 2008 (the “Report”) do hereby 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:

A) the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m(a) or 78o (d)) and

B) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company as of the dates and for the periods covered by the Report.

Date: June 18, 2008	/s/ Kevin McCarthy
	Kevin McCarthy
	President, Chief Executive Officer, and Director (Principal Executive Officer)