1 Exhibit 21 SUBSIDIARIES OF THE COMPANY 1. M/I Financial Corp., an Ohio corporation. M/I Financial Corp. is wholly-owned by the Company. 2. M/I Homes, Inc., an Arizona corporation. M/I Homes, Inc. is wholly-owned by the Company. 3. MHO, L.L.C., an Arizona limited liability corporation. MHO, L.L.C. is wholly-owned by M/I Homes, Inc. 4. M/I Homes Construction, Inc., an Arizona corporation. M/I Homes Construction, Inc. is wholly-owned by the Company. 5. M/I Schottenstein Homes Service Corp., an Ohio Corporation. M/I Schottenstein Homes Service Corp. is wholly-owned by the Company. 6. 601RS, L.L.C., an Ohio limited liability corporation. 601RS, L.L.C. is wholly-owned by the Company. 7. Northeast Office Venture, L.L.C., a Delaware limited liability corporation. Northeast Office Venture is wholly-owned by the Company. 8. M/I Title Agency Ltd., an Ohio limited liability company. 90% L.L.C. owned by the Company. 9. Washington Metro Residential Title Agency L.L.C., a Virginia limited liability corporation. 70% L.L.C. owned by the Company.