Exhibit 31.1

Certification of the Principal Financial Officer

Pursuant to Section 302 of the
Sarbanes-Oxley Act of 2002

I, John J. Arvonio, as the principal financial officer of Intervest Bancshares Corporation and Subsidiaries
(the Company), certify that:

1. I have reviewed this report on Form 10-Q for the quarter ended June 30, 2007 of the Company;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made,
in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

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

4. The Companys other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and
procedures (as defined in Exchange Act Rules 13a-15e and 15d-15e) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15f and 15d-15f) for the Company and have:



| | (a) | Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information
relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;
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| | (b) | Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable
assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;
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| | (c) | Evaluated the effectiveness of the registrants disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure
controls and procedures, as of the end of the period covered by this report based on such evaluation; and
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| | (d) | Disclosed in this report any change in the registrants internal control over financial reporting that occurred during the registrants most recent fiscal quarter (the
registrants fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrants internal control over financial reporting; and
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5. The Companys other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the
Companys auditors and the Audit Committee of the Companys Board of Directors:



| | (a) | All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the
registrants ability to record, process, summarize and report financial information; and
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| | (b) | Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrants internal control over financial reporting.
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/s/ John J. ArvonioJohn J. Arvonio, Chief Financial and Accounting Officer(Principal Financial Officer)Date: August 2, 2007