Exhibit 23.1 Deloitte Consent 9-15-11 Shelf Registration Amendment No. 2

We consent to the incorporation by reference in this Amendment No. 2 to Registration Statement No. 333-176088 on Form S-3 of our reports dated February 28, 2011, relating to the consolidated financial statements of M/I Homes, Inc. and subsidiaries, and the effectiveness of M/I Homes, Inc. and subsidiaries' internal control over financial reporting, appearing in the Annual Report on Form 10-K of M/I Homes, Inc. and subsidiaries for the year ended December 31, 2010, and to the reference to us under the heading “Experts” in the prospectus, which is part of the registration statement.