**Exhibit 31.1**

**CERTIFICATIONOF CHIEF EXECUTIVE OFFICER**

I, A. Vincent Siciliano, President & Chief Executive Officer,certify that:

1.                     I have reviewed this Amendment No. 1 on Form10-K/A of 1st Pacific Bancorp;

2.                     Based on my knowledge, this report does not containany untrue statement of a material fact or omit to state a material factnecessary to make the statements made, in light of the circumstances underwhich such statements were made, not misleading with respect to the periodcovered by this report;

3.                     Based on my knowledge, the financial statements,and other financial information included in this report, fairly present in allmaterial respects the financial condition, results of operations and cash flowsof the registrant as of, and for, the periods presented in this report;

4.                     The registrant’s other certifying officer and Iare responsible for establishing and maintaining disclosure controls andprocedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) forthe registrant and have:

(a)                   Designed such disclosurecontrols and procedures, or caused such disclosure controls and procedures tobe designed under our supervision, to ensure that material information relatingto the registrant, including its consolidated subsidiaries, is made known to usby others within those entities, particularly during the period in which thisreport is being prepared;

(b)                   Evaluated the effectivenessof the registrant’s disclosure controls and procedures and presented in thisreport our conclusions about the effectiveness of the disclosure controls andprocedures, as of the end of the period covered by this report based on suchevaluation; and

(c)                   Disclosed in this report anychange in the registrant’s internal control over financial reporting thatoccurred during the registrant’s most recent fiscal quarter (the registrant’sfourth fiscal quarter in the case of an annual report) that has materiallyaffected, or is reasonably likely to materially affect, the registrant’sinternal control over financial reporting; and

5.                     The registrant’s other certifying officer and Ihave disclosed, based on our most recent evaluation of internal control overfinancial reporting, to the registrant’s auditors and the audit committee ofthe registrant’s board of directors (or persons performing the equivalentfunctions):

(a)                   All significant deficienciesand material weaknesses in the design or operation of internal control overfinancial reporting which are reasonably likely to adversely affect theregistrant’s ability to record, process, summarize and report financialinformation; and

(b)                   Any fraud,whether or not material, that involves management or other employees who have asignificant role in the registrant’s internal control over financial reporting.
| Date: April 25, 2007 | By:    | /s/ A. Vincent Siciliano                     |
|----------------------|--------|----------------------------------------------|
|                 |   | A. Vincent Siciliano                         |
|                 |   | President & Chief Executive Officer |

 

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