Exhibit 21.1

List of Subsidiaries of City Office REIT, Inc.

Name of Subsidiary			State of Incorporation or Organization
	1.	City Office REIT Operating Partnership, L.P.		Maryland
	2.	City Office Development, LLC		Delaware
	3.	CIO Management Buyer LLC		Delaware
	4.	City Office Management ULC		British Columbia
	5.	Gibralt Amberglen LLC		Delaware
	6.	Amberglen Properties Limited Partnership		Oregon
	7.	CIO Amberglen, LLC		Delaware
	8.	CORE Cherry GP Corp.		Delaware
	9.	CORE Cherry Limited Partnership		Delaware
	10.	Central Fairwinds GP Corporation		Florida
	11.	Central Fairwinds Limited Partnership		Florida
	12.	City Center STF GP Corp.		Florida
	13.	City Center STF, LP		Florida
	14.	SCCP Boise GP, Inc.		Delaware
	15.	SCCP Boise Limited Partnership		Delaware
	16.	SCCP Boise Outlot GP, Inc.		Delaware
	17.	SCCP Boise Outlot Limited Partnership		Delaware
	18.	SCCP Central Valley GP Corp.		Delaware
	19.	SCCP Central Valley Limited Partnership		Delaware
	20.	CIO Lake Vista GP, LLC		Delaware
	21.	CIO Lake Vista, Limited Partnership		Delaware
	22.	CIO Plaza 25 GP, LLC		Delaware
	23.	CIO Plaza 25, Limited Partnership		Delaware
	24.	CIO Research Park GP, LLC		Delaware
	25.	CIO Research Park, Limited Partnership		Delaware
	26.	CIO Logan Tower GP, LLC		Delaware
	27.	CIO Logan Tower, Limited Partnership		Delaware
	28.	CIO 190 GP, LLC		Delaware
	29.	CIO 190, Limited Partnership		Delaware
	30.	CIO Intellicenter GP, LLC		Delaware
	31.	CIO Intellicenter, Limited Partnership		Delaware
	32.	CIO Superior Pointe GP LLC		Delaware
	33.	CIO Superior Pointe Limited Partnership		Delaware
	34.	CIO Crossroads GP, LLC		Delaware
	35.	CIO Crossroads Limited Partnership		Delaware
	36.	CIO Tech Parkway Holdings, Limited Partnership		Delaware
	37.	CIO Tech Parkway Holdings GP, LLC		Delaware
	38.	CIO Intellicenter GP Outlet, LLC		Delaware
	39.	CIO Intellicenter Outlet, Limited Partnership		Delaware
	40.	CIO Carillon GP, LLC		Delaware
	41.	CIO Carillon, Limited Partnership		Delaware
	42.	CIO Park Tower GP LLC		Delaware
	43.	CIO Park Tower Limited Partnership		Delaware
	44.	CIO 5090 GP, LLC		Delaware
	45.	CIO 5090, Limited Partnership		Delaware
	46.	CIO San Tan I GP, LLC		Delaware
	47.	CIO San Tan I, Limited Partnership		Delaware
	48.	CIO San Tan II GP, LLC		Delaware
	49.	CIO San Tan II, Limited Partnership		Delaware
	50.	CIO 2525 McKinnon GP, LLC		Delaware
	51.	CIO 2525 McKinnon, Limited Partnership		Delaware
	52.	CIO Research Commons, LLC		Delaware
	53.	CIO Technology Point I & II, LLC		Delaware
	54.	CIO University Tech, LLC		Delaware

55.	CIO Sorrento Mesa, LLC	Delaware
56.	CIO Sorrento Mesa Holdings, LLC	Delaware
57.	CIO SM Land Holdings, LLC	Delaware
58.	CIO Mission City, LLC	Delaware
59.	CIO Mission City Holdings II, LLC	Delaware
60.	CIO SM Land, LLC	Delaware
61.	CIO Papago Tech, LLC	Delaware
62.	CIO Papago Tech Holdings, LLC	Delaware
63.	CIO OP Holdings, LLC	Delaware
64.	CIO Pima GP, LLC	Delaware
65.	CIO Pima, Limited Partnership	Delaware
66.	CIO Circle Point GP, LLC	Delaware
67.	CIO Circle Point, Limited Partnership	Delaware
68.	CIO Quad GP, LLC	Delaware
69.	CIO Quad, Limited Partnership	Delaware
70.	CIO Circle Point Land GP, LLC	Delaware
71.	CIO Circle Point Land, Limited Partnership	Delaware
72.	CIO Circle Point MH Land, LLC	Delaware
73.	CIO Camelback GP, LLC	Delaware
74.	CIO Camelback, Limited Partnership	Delaware
75.	CIO Lake Mary GP, LLC	Delaware
76.	CIO Lake Mary, Limited Partnership	Delaware
77.	CIO Canyon Park GP, LLC	Delaware
78.	CIO Canyon Park, Limited Partnership	Delaware
79.	CIO Cascade Station GP, LLC	Delaware
80.	CIO Cascade Station, Limited Partnership	Delaware
81.	CIO Citymark GP, LLC	Delaware
82.	CIO Citymark, Limited Partnership	Delaware
83.	CIO 7601 DTC GP, LLC	Delaware
84.	CIO 7601 DTC, Limited Partnership	Delaware
85.	CIO Administrative Services, LLC	Delaware
86.	CIO 5910 Pacific Center, LLC	Delaware
87.	CIO 9985 Pacific Heights, LLC	Delaware
88.	CIO Block 23, LLC	Delaware
89.	CIO Terraces, LLC	Delaware
90.	CIO Bloc 83, LLC	Delaware