Exhibit 31.2

# CERTIFICATIONS

I, J. Grant Smith, certify that:

| | 1. | I have reviewed this quarterly report on Form 10-QSB of Clarkston Financial
                    Corporation;
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| | 2. | Based on my knowledge, this quarterly 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 quarterly
                    report;
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| | 3. | Based on my knowledge, the financial statements, and other financial information
                    included in this quarterly 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 quarterly report;
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| | 4. | The registrants other certifying officers and I are responsible for
                    establishing and maintaining disclosure controls and procedures (as defined in
                    Exchange Act Rules 13a-15(e) and 15d-15(e)) for the registrant and we have:
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|(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 quarterly report is being prepared;
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|(b) |  | 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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|(c) |  | 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 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 registrants other certifying officers and I have disclosed, based on
                    our most recent evaluation of internal controls over financial reporting, to the
                    registrants auditors and the audit committee of registrants board of
                    directors (or persons performing the equivalent functions):
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|(a) |  | all significant deficiencies 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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Date: August 12, 2005

| | /s/ J. Grant Smith
J. Grant Smith
Chief Financial Officer
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