EXHIBIT 23(a) CONSENT OF DELOITTE & TOUCHE LLP We consent to the incorporation by reference in this Registration Statement of M/I Schottenstein Homes, Inc. on Form S-8 of our reports dated February 23, 2000, appearing in and incorporated by reference in the Annual Report on Form 10-K of M/I Schottenstein Homes, Inc. for the year ended December 31, 1999. Deloitte & Touche LLP Columbus, Ohio April 28, 2000 II-13