**Exhibit 31.1**

**CERTIFICATIONS**

I, Robert F. Mangano, certify that:
|   | 1.     | I have reviewed this annual report on Form 10-K of 1st Constitution Bancorp;                                                                                                                                                                                                                                  |
|--------|--------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   | 2.     | Based on my knowledge, this report does not contain anyuntrue statement of a material fact or omit to state a material factnecessary to make the statements made, in light of the circumstancesunder which such statements were made, not misleading with respectto the period covered by this report;        |
|   | 3.     |  Based on my knowledge, the financial statements, andother financial information included in this report, fairly presentin all material respects the financial condition, results ofoperations and cash flows of the registrant as of, and for, theperiods presented in this report;                     |
|   | 4.     | The registrant's other certifying officer(s) and I areresponsible for establishing and maintaining disclosure controls andprocedures (as defined in Exchange Act Rules 13a-15(e) and15d-15(e)) for the registrant and have:                                                                                   |
|   |   |                                                                                                                                                                                                                                                                                                          | (a)           Designed such disclosure controls andprocedures, or caused such disclosure controls and procedures to bedesigned under our supervision, to ensure that material informationrelating to the registrant, including its consolidated subsidiaries,is made known to us by others within those entities, particularlyduring the period in which this report is being prepared; |
|   |   |                                                                                                                                                                                                                                                                                                          | (b)           Evaluated the effectiveness of theregistrant’s disclosure controls and procedures and presented inthis report our conclusions about the effectiveness of thedisclosure controls and procedures, as of the end of the periodcovered by this report based on such evaluation; and |
|   |   |                                                                                                                                                                                                                                                                                                          | (c)           Disclosed in this report any change inthe registrant’s internal control over financial reporting thatoccurred during the registrant’s most recent fiscal quarter (theregistrant’s fourth fiscal quarter in the case of an annual report)that has materially affected, or is reasonably likely to materiallyaffect, the registrant’s internal control over financial reporting;and |
|   | 5.     | The registrant’s other certifying officer(s) and I havedisclosed, based on our most recent evaluation of internal controlover financial reporting, to the registrant’s auditors and the auditcommittee of the registrant’s board of directors (or personsperforming the equivalent functions): |
|   |   |                                                                                                                                                                                                                                                                                                          | (a)           All significant deficiencies and materialweaknesses in the design or operation of internal control overfinancial reporting which are reasonably likely to adversely affectthe registrant’s ability to record, process, summarize and reportfinancial information; and |
|   |   |                                                                                                                                                                                                                                                                                                          | (b)           Any fraud, whether or not material, thatinvolves management or other employees who have a significant rolein the registrant’s internal control over financial reporting. |

Date: March 10, 2006 
| /s/ ROBERT F. MANGANO |
|-----------------------|
| Name:                 | Robert F. Mangano |
| Title:                | President and Chief Executive Officer |
|                       |  |  |  |

 

 

 

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