Exhibit 22.1
List of Guarantor Subsidiaries
The following subsidiaries of Diversified Healthcare Trust, a Maryland real estate investment trust (the “Trust”), jointly and severally and fully and unconditionally, guaranteed the Trust’s 9.75% Senior Notes due 2025 and the Trust’s 4.375% Senior Notes due 2031:
| Exact Name of Guarantor Subsidiary | Jurisdiction |
| Bluegrass Alpharetta LLC | Delaware |
| CCC Alpha Investments Trust | Maryland |
| CCC Delaware Trust | Maryland |
| CCC Financing I Trust | Maryland |
| CCC Financing Limited, L.P. | Delaware |
| CCC Investments I, L.L.C. | Delaware |
| CCC Leisure Park Corporation | Delaware |
| CCC Pueblo Norte Trust | Maryland |
| CCC Retirement Communities II, L.P. | Delaware |
| CCC Retirement Partners Trust | Maryland |
| CCC Retirement Trust | Maryland |
| CCDE Senior Living LLC | Delaware |
| CCOP Senior Living LLC | Delaware |
| Crestline Ventures LLC | Delaware |
| CSL Group, Inc. | Indiana |
| DHC Holdings LLC | Maryland |
| Ellicott City Land I, LLC | Delaware |
| HRES1 Properties Trust | Maryland |
| HRES2 Properties Trust | Maryland |
| Leisure Park Venture Limited Partnership | Delaware |
| Lexington Office Realty Trust | Massachusetts |
| MSD Pool 1 LLC | Maryland |
| MSD Pool 2 LLC | Maryland |
| O.F.C. Corporation | Indiana |
| SNH AL AIMO II, Inc. | Maryland |
| SNH AL AIMO Tenant II, Inc. | Maryland |
| SNH AL AIMO Tenant, Inc. | Maryland |
| SNH AL AIMO, Inc. | Maryland |
| SNH AL Crimson Tenant Inc. | Maryland |
| SNH AL Cumming LLC | Maryland |
| SNH AL Cumming Tenant LLC | Maryland |
| SNH AL Georgia Holdings LLC | Maryland |
| SNH AL Georgia LLC | Maryland |
| SNH AL Georgia Tenant LLC | Maryland |
| SNH AL Properties LLC | Maryland |
| SNH AL Properties Trust | Maryland |
| SNH AL TRS, Inc. | Maryland |
| SNH AL Wilmington Tenant Inc. | Maryland |
| SNH AZ Tenant LLC | Maryland |
| SNH Bakersfield LLC | Maryland |
| SNH BAMA Tenant LLC | Maryland |
| SNH Baton Rouge (North) LLC | Delaware |
| SNH Baton Rouge (Realtors) LLC | Delaware |
| SNH BRFL Properties LLC | Delaware |
| SNH BRFL Tenant LLC | Delaware |
| SNH Bridgewater LLC | Delaware |
| SNH CAL Tenant LLC | Maryland |
| SNH CALI Tenant LLC | Delaware |
| SNH CCMD Properties Borrower LLC | Delaware |
| SNH CCMD Properties LLC | Delaware |
| SNH CCMD Tenant LLC | Delaware |
| SNH CHS Properties Trust | Maryland |
| SNH CO Tenant LLC | Maryland |
| SNH DEL Tenant LLC | Maryland |
| SNH Denham Springs LLC | Delaware |
| SNH Derby Tenant LLC | Maryland |
| SNH Durham LLC | Delaware |
| SNH FLA Tenant LLC | Maryland |
| SNH FM Financing LLC | Delaware |
| SNH FM Financing Trust | Maryland |
| SNH Georgia Tenant LLC | Maryland |
| SNH GP Carlsbad LLC | Delaware |
| SNH Granite Gate Inc. | Maryland |
| SNH Granite Gate Lands Tenant LLC | Maryland |
| SNH Granite Gate Lands Trust | Maryland |
| SNH Granite Gate Tenant LLC | Maryland |
| SNH Grove Park Tenant LLC | Maryland |
| SNH Grove Park Trust | Maryland |
| SNH IL Joplin Inc. | Maryland |
| SNH IL Properties Trust | Maryland |
| SNH Independence Park LLC | Delaware |
| SNH INDY Tenant LLC | Maryland |
| SNH Jackson LLC | Delaware |
| SNH Kent Properties LLC | Maryland |
| SNH Lincoln Tenant LLC | Maryland |
| SNH Longhorn Tenant LLC | Maryland |
| SNH Maryland Heights LLC | Delaware |
| SNH MASS Tenant LLC | Maryland |
| SNH MD Tenant LLC | Maryland |
| SNH Medical Office Properties Trust | Maryland |
| SNH Medical Office Realty Trust | Massachusetts |
| SNH MezzCo San Antonio LLC | Delaware |
| SNH MO Tenant LLC | Maryland |
| SNH Modesto LLC | Maryland |
| SNH NC Tenant LLC | Maryland |
| SNH Neb Tenant LLC | Maryland |
| SNH NJ Tenant GP LLC | Maryland |
| SNH NJ Tenant LLC | Maryland |
| SNH NJ Tenant LP | Delaware |
| SNH NM Tenant LLC | Maryland |
| SNH Northwoods LLC | Maryland |
| SNH Northwoods Tenant LLC | Maryland |
| SNH NS Mtg Properties 2 Trust | Maryland |
| SNH NS Properties Trust | Maryland |
| SNH Ohio Tenant LLC | Maryland |
| SNH OMISS Tenant LLC | Maryland |
| SNH Park Place I Inc. | Maryland |
| SNH Park Place II Inc. | Maryland |
| SNH Park Place Tenant I LLC | Maryland |
| SNH Park Place Tenant II LLC | Maryland |
| SNH Parkview Properties Trust | Maryland |
| SNH PENN Tenant LLC | Maryland |
| SNH Plaquemine LLC | Delaware |
| SNH PLFL Properties LLC | Delaware |
| SNH PLFL Tenant LLC | Delaware |
| SNH Prairieville LLC | Delaware |
| SNH Proj Lincoln TRS LLC | Maryland |
| SNH Redmond Properties LLC | Maryland |
| SNH REIT Irving LLC | Delaware |
| SNH REIT San Antonio LLC | Delaware |
| SNH REIT Victoria LLC | Delaware |
| SNH RMI Fox Ridge Manor Properties LLC | Maryland |
| SNH RMI Jefferson Manor Properties LLC | Maryland |
| SNH RMI McKay Manor Properties LLC | Maryland |
| SNH RMI Northwood Manor Properties LLC | Maryland |
| SNH RMI Oak Woods Manor Properties LLC | Maryland |
| SNH RMI Park Square Manor Properties LLC | Maryland |
| SNH RMI Properties Holding Company LLC | Maryland |
| SNH RMI Smith Farms Manor Properties LLC | Maryland |
| SNH RMI Sycamore Manor Properties LLC | Maryland |
| SNH SC Tenant LLC | Maryland |
| SNH SE Ashley River LLC | Delaware |
| SNH SE Ashley River Tenant LLC | Delaware |
| SNH SE Barrington Boynton LLC | Delaware |
| SNH SE Barrington Boynton Tenant LLC | Delaware |
| SNH SE Burlington LLC | Delaware |
| SNH SE Burlington Tenant LLC | Delaware |
| SNH SE Daniel Island LLC | Delaware |
| SNH SE Daniel Island Tenant LLC | Delaware |
| SNH SE Habersham Savannah LLC | Delaware |
| SNH SE Habersham Savannah Tenant LLC | Delaware |
| SNH SE Holly Hill LLC | Delaware |
| SNH SE Holly Hill Tenant LLC | Delaware |
| SNH SE Kings Mtn LLC | Delaware |
| SNH SE Kings Mtn Tenant LLC | Delaware |
| SNH SE Mooresville LLC | Delaware |
| SNH SE Mooresville Tenant LLC | Delaware |
| SNH SE N. Myrtle Beach LLC | Delaware |
| SNH SE N. Myrtle Beach Tenant LLC | Delaware |
| SNH SE Properties LLC | Delaware |
| SNH SE Properties Trust | Maryland |
| SNH SE SG LLC | Delaware |
| SNH SE SG Tenant LLC | Delaware |
| SNH SE Tenant 2 TRS, Inc. | Maryland |
| SNH SE Tenant TRS, Inc. | Maryland |
| SNH Somerford Properties Trust | Maryland |
| SNH St. Louis LLC | Delaware |
| SNH Teaneck Properties LLC | Delaware |
| SNH Teaneck Tenant LLC | Delaware |
| SNH Tellico Tenant LLC | Maryland |
| SNH Tellico Trust | Maryland |
| SNH Tempe LLC | Delaware |
| SNH TENN Tenant LLC | Maryland |
| SNH Toto Tenant LLC | Maryland |
| SNH TRS Inc. | Maryland |
| SNH TRS Licensee Holdco LLC | Maryland |
| SNH VA Tenant LLC | Maryland |
| SNH Viking Tenant LLC | Maryland |
| SNH Wilmington LLC | Maryland |
| SNH WIS Tenant LLC | Maryland |
| SNH WY Tenant LLC | Maryland |
| SNH Yonkers Properties Trust | Maryland |
| SNH Yonkers Tenant Inc. | Maryland |
| SNH/CSL Properties Trust | Maryland |
| SNH/LTA Properties GA LLC | Maryland |
| SNH/LTA Properties Trust | Maryland |
| SNH/LTA SE Home Place New Bern LLC | Delaware |
| SNH/LTA SE McCarthy New Bern LLC | Delaware |
| SNH/LTA SE Wilson LLC | Delaware |
| SPTGEN Properties Trust | Maryland |
| SPTIHS Properties Trust | Maryland |
| SPTMNR Properties Trust | Maryland |
| SPTMRT Properties Trust | Maryland |