Northfield Bancorp 10-K 2011 FY Annual report

Exhibit 32

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

John W. Alexander, Chief Executive Officer, and Steven M. Klein, Chief Operating and Financial Officer, of Northfield Bancorp, Inc. (the “Company”) each certify in his capacity as an officer of the Company that he has reviewed the Annual Report of the Company on Form 10-K for the year ended December 31, 2011 (the “Report”) and that to the best of his knowledge:

A. the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and

B. the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ John W. Alexander	Dated: March 15, 2012
John W. Alexander
Chairman, President and Chief Executive Officer
/s/ Steven M. Klein	Dated: March 15, 2012
Steven M. Klein
Chief Operating and Financial Officer

A signed original of this written statement required by Section 906 has been provided to Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.