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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
 WASHINGTON, D.C. 20549
 
 FORM 10-Q
 
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    QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
 For the quarterly period ended September 30, 2010
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    TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
 For transition period from            to
 Commission File Number 333-167421
 
 NORTHFIELD BANCORP, INC.
 (Exact name of registrant as specified in its charter)
 
 Delaware
(State or other jurisdiction of incorporation)
    
    Being Applied For
(I.R.S. Employer Identification No.)
 581 Main Street, Woodbridge, New Jersey
(Address of principal executive offices)
    
    07095
(Zip Code)
 Registrants telephone number, including area code: (732) 499-7200
 Not Applicable
(Former name, former address, and former fiscal year, if changed since last report)
 
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    Accelerated filer o
    
    Non-accelerated filer þ
(Do not check if a smaller reporting company)
    
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TABLE OF CONTENTS  PART I  FINANCIAL INFORMATIONITEM 1. FINANCIAL STATEMENTSITEM 2. MANAGEMENTS DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONSITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISKITEM 4. CONTROLS AND PROCEDURESITEM 4T. CONTROLS AND PROCEDURESPART II  OTHER INFORMATIONITEM 1. LEGAL PROCEEDINGSITEM 1A. RISK FACTORSITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDSITEM 3. DEFAULTS UPON SENIOR SECURITIESITEM 4. [REMOVED AND RESERVED]ITEM 5. OTHER INFORMATIONITEM 6. EXHIBITSSIGNATURESEX-31.1EX-31.2EX-32    Table of Contents  EXPLANATORY NOTE




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PART I  FINANCIAL INFORMATION
 
 ITEM 1. FINANCIAL STATEMENTS
  
 ITEM 2. MANAGEMENTS DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS
  
 ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK
  
 ITEM 4. CONTROLS AND PROCEDURES
    
 ITEM 4T. CONTROLS AND PROCEDURES
  
 PART II  OTHER INFORMATION
 
 ITEM 1. LEGAL PROCEEDINGS
  
 ITEM 1A. RISK FACTORS
  
 ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS
  
 ITEM 3. DEFAULTS UPON SENIOR SECURITIES




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ITEM 4. [REMOVED AND RESERVED]
 
 ITEM 5. OTHER INFORMATION
  
 ITEM 6. EXHIBITS
 Exhibit 31.1
    
    Certification of John W. Alexander, Chairman, President and Chief Executive
Officer, Pursuant to Rule 13a-14(a) and Rule 15d-14(a).Exhibit 31.2
    
    Certification of Steven M. Klein, Executive Vice President and Chief Financial
Officer, Pursuant to Rule 13a-14(a) and Rule 15d-14(a).Exhibit 32
    
    Certification of John W. Alexander, Chairman, President and Chief Executive
Officer, and Steven M. Klein, Executive Vice President and Chief Financial Officer,
Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002.




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SIGNATURES
  Date: November 9, 2010
    NORTHFIELD BANCORP, INC.
(Registrant)/s/   John W. AlexanderJohn W. AlexanderChairman, President and Chief Executive OfficerDate: November 9, 2010
    /s/   Steven M. KleinSteven M. KleinExecutive Vice President and Chief Financial Officer
(Principal Financial and Accounting Officer)