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 Central Valley GP Corp.		Delaware
	17.	SCCP Central Valley Limited Partnership		Delaware
	18.	CIO Lake Vista GP, LLC		Delaware
	19.	CIO Lake Vista, Limited Partnership		Delaware
	20.	CIO Research Park GP, LLC		Delaware
	21.	CIO Research Park, Limited Partnership		Delaware
	22.	CIO 190 GP, LLC		Delaware
	23.	CIO 190, Limited Partnership		Delaware
	24.	CIO Intellicenter GP, LLC		Delaware
	25.	CIO Intellicenter, Limited Partnership		Delaware
	26.	CIO Superior Pointe GP LLC		Delaware
	27.	CIO Superior Pointe Limited Partnership		Delaware
	28.	CIO Crossroads GP, LLC		Delaware
	29.	CIO Crossroads Limited Partnership		Delaware
	30.	CIO Tech Parkway Holdings, Limited Partnership		Delaware
	31.	CIO Tech Parkway Holdings GP, LLC		Delaware
	32.	CIO Intellicenter GP Outlet, LLC		Delaware
	33.	CIO Intellicenter Outlet, Limited Partnership		Delaware
	34.	CIO Carillon GP, LLC		Delaware
	35.	CIO Carillon, Limited Partnership		Delaware
	36.	CIO Park Tower GP LLC		Delaware
	37.	CIO Park Tower Limited Partnership		Delaware
	38.	CIO 5090 GP, LLC		Delaware
	39.	CIO 5090, Limited Partnership		Delaware
	40.	CIO San Tan I GP, LLC		Delaware
	41.	CIO San Tan I, Limited Partnership		Delaware
	42.	CIO San Tan II GP, LLC		Delaware
	43.	CIO San Tan II, Limited Partnership		Delaware
	44.	CIO 2525 McKinnon GP, LLC		Delaware
	45.	CIO 2525 McKinnon, Limited Partnership		Delaware
	46.	CIO Research Commons, LLC		Delaware
	47.	CIO Technology Point I & II, LLC		Delaware
	48.	CIO University Tech, LLC		Delaware
	49.	CIO Sorrento Mesa, LLC		Delaware
	50.	CIO Sorrento Mesa Holdings, LLC		Delaware
	51.	CIO SM Land Holdings, LLC		Delaware
	52.	CIO Mission City, LLC		Delaware
	53.	CIO Mission City Holdings II, LLC		Delaware
	54.	CIO SM Land, LLC		Delaware
	55.	CIO Papago Tech, LLC		Delaware
	56.	CIO Papago Tech Holdings, LLC		Delaware
	57.	CIO OP Holdings, LLC		Delaware
	58.	CIO Pima GP, LLC		Delaware
	59.	CIO Pima, Limited Partnership		Delaware
	60.	CIO Circle Point GP, LLC		Delaware
	61.	CIO Circle Point, Limited Partnership		Delaware
	62.	CIO Quad GP, LLC		Delaware
	63.	CIO Quad, Limited Partnership		Delaware
	64.	CIO Circle Point Land GP, LLC		Delaware
	65.	CIO Circle Point Land, Limited Partnership		Delaware
	66.	CIO Circle Point MH Land, LLC		Delaware
	67.	CIO Camelback GP, LLC		Delaware
	68.	CIO Camelback, Limited Partnership		Delaware
	69.	CIO Lake Mary GP, LLC		Delaware
	70.	CIO Lake Mary, Limited Partnership		Delaware
	71.	CIO Canyon Park GP, LLC		Delaware
	72.	CIO Canyon Park, Limited Partnership		Delaware
	73.	CIO Cascade Station GP, LLC		Delaware
	74.	CIO Cascade Station, Limited Partnership		Delaware
	75.	CIO 7601 DTC GP, LLC		Delaware
	76.	CIO 7601 DTC, Limited Partnership		Delaware
	77.	CIO Administrative Services, LLC		Delaware
	78.	CIO 5910 Pacific Center, LLC		Delaware
	79.	CIO 9985 Pacific Heights, LLC		Delaware
	80.	CIO Block 23, LLC		Delaware
	81.	CIO Terraces, LLC		Delaware
	82.	CIO Bloc 83, LLC		Delaware