EX-21.1 3 opi_123122x10kex211.htm EX-21.1

Exhibit 21.1

OFFICE PROPERTIES INCOME TRUST

SUBSIDIARIES OF THE REGISTRANT

Name									State of Formation, Organization or Incorporation
1K Fulton LLC									Maryland
3300 75th Avenue LLC									Delaware
First Potomac DC Holdings, LLC									Delaware
FP 1211 Connecticut Avenue, LLC									Delaware
FP 1401 K, LLC									Delaware
FP 3 Flint Hill, LLC									Virginia
FP 440 1st Street, LLC									Delaware
FP 840 First Street, LLC									Delaware
FP Atlantic Corporate Park, LLC									Virginia
FP CPT 1750 H Street, LLC									Delaware
FP Greenbrier Towers, LLC									Virginia
FP Metro Place, LLC									Delaware
FP Redland Technology Center LP									Delaware
FP Sterling Park 8 & 9, LLC									Virginia
GOV Grand Oak Properties Trust									Maryland
GOV Intech LLC									Delaware
GOV Lakewood Properties Trust									Maryland
GOV NEW OPPTY LP									Delaware
GOV NEW OPPTY REIT									Maryland
Government Properties Income Trust LLC									Delaware
GPT Properties LLC									Delaware
GPT Properties Trust									Maryland
Kuhela Street LLC									Delaware
OPI Realty Trust (Nominee Trust)									Massachusetts
SC Merger Sub LLC									Maryland
SIR 300 Billerica Inc.									Maryland
SIR Campbell Place Inc.									Maryland
SIR Charlotte LLC									Delaware
SIR Chicago LLC									Delaware
SIR Duluth LLC									Delaware
SIR Ewing LLC									Delaware
SIR Holdings Corporation									Maryland
SIR Houston (Clay) LLC									Delaware
SIR Irving (Freeport) LLC									Delaware
SIR Johnston LLC									Delaware
SIR Omaha LLC									Delaware
SIR Operating Partnership LP									Delaware
SIR Philadelphia LLC									Delaware
SIR Properties REIT LLC									Maryland
SIR Properties Trust									Maryland
SIR Redwood City LP									Delaware
SIR REIT Houston LLC									Delaware
SIR San Jose LP									Delaware
SIR Santa Clara (Walsh) LP									Delaware
SIR Santa Clara LP									Delaware
SIR Westford LLC									Delaware
Twelve24 Atlanta LLC									Maryland