Ottawa Savings Bancorp 10-K 2012 FY Annual report

    Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in Registration Statements (No. 333-135254 and No. 333-129067) on Form S-8 of Ottawa Savings Bancorp, Inc. of our report dated March 28, 2013, relating to our audit of the consolidated financial statements, which appear in this Annual Report on Form 10-K of Ottawa Savings Bancorp, Inc. for the year ended December 31, 2012.

/s/ McGLADREY LLP

Chicago, Illinois

March 28, 2013