EXHIBIT 21 MANUFACTURED HOME COMMUNITIES, INC. SUBSIDIARIES OF THE REGISTRANT State of Incorporation or Organization MHC Operating Limited Partnership Illinois MHC Financing Limited Partnership Illinois MHC Financing Limited Partnership Two Delaware Blue Ribbon Communities Limited Partnership Delaware MHC Lending Limited Partnership Illinois MHC-DeAnza Financing Limited Partnership Illinois MHC-Bay Indies Financing Limited Partnership Illinois MHC Stagecoach, L.L.C. Delaware