This article is a list of historic places in the City of Ottawa, Ontario entered on the Canadian Register of Historic Places, whether they are federal, provincial, or municipal.

Contents

• List of historic places
• See also
• References

See also List of historic places in Ontario.

List of historic places

Name	Address	Coordinates	Government recognition (CRHP №)		Image
The Beggs House	2323 Roger Stevens Drive Ottawa (North Gower) ON	45°07′54″N75°42′57″W / 45.1317°N 75.7159°W / 45.1317; -75.7159 (The Beggs House)	Ottawa (North Gower) municipality (14209)		Upload Photo
Building 7; Health Protection Building (Former Department of Health & Welfare, Food and Drug Laboratory)	Tunney's Pasture Campus Ottawa ON	45°24′27″N75°44′09″W / 45.4076°N 75.7359°W / 45.4076; -75.7359 (Building 7; Health Protection Building (Former Department of Health & Welfare, Food and Drug Laboratory))	Federal (12897)
Cheney House	176 Bronson Avenue Ottawa ON	45°24′52″N75°42′27″W / 45.4144°N 75.7075°W / 45.4144; -75.7075 (Cheney House)	Ottawa municipality (18596)		Upload Photo
Commissariat Building	3 Canal Lane, Rideau Canal National Historic Site of Canada Ottawa (Downtown Ottawa) ON	45°25′33″N75°41′52″W / 45.4258°N 75.6978°W / 45.4258; -75.6978 (Commissariat Building)	Federal (11116)		More images
Davidson House	3150 Donnelly Drive Ottawa ON	45°02′23″N75°42′22″W / 45.0397°N 75.7062°W / 45.0397; -75.7062 (Davidson House)	Ottawa municipality (10298)		Upload Photo
The Kelly House	6576 Main Street (Fourth Line) Ottawa (North Gower) ON	45°07′58″N75°43′05″W / 45.1327°N 75.718°W / 45.1327; -75.718 (The Kelly House)	Ottawa (North Gower) municipality (15291)		Upload Photo
Martin House	6732 Rideau Valley Drive South Ottawa (Kars) ON	45°08′57″N75°38′49″W / 45.1491°N 75.6470°W / 45.1491; -75.6470 (Martin House)	Ottawa (Kars) municipality (19796)		Upload Photo
Trinity United Church	6656 Rideau Valley Drive S Ottawa (Kars) ON	45°09′17″N75°38′56″W / 45.1546°N 75.6489°W / 45.1546; -75.6489 (Trinity United Church)	Ottawa (Kars) municipality (14208)		Upload Photo
Weatherhead House	6924 Gallagher Road Ottawa (Pierces Corners) ON	45°03′31″N75°45′46″W / 45.0586°N 75.7627°W / 45.0586; -75.7627 (Weatherhead House)	Ottawa (Pierces Corners) municipality (16323)		Upload Photo
Bryan House	6700 Rideau Valley Drive South Ottawa (Kars) ON	45°09′08″N75°38′53″W / 45.1522°N 75.648°W / 45.1522; -75.648 (Bryan House)	Ottawa (Kars) municipality (10142)		Upload Photo
The Weaver's House	1131 Mill Street Ottawa (Manotick) ON	45°13′34″N75°41′01″W / 45.2262°N 75.6837°W / 45.2262; -75.6837 (The Weaver's House)	Ottawa (Manotick) municipality (14212)		More images
New Edinburgh Heritage Conservation District	along the Rideau River, bounded by Sussex, MacKay, Dufferin and Stanley Ottawa (New Edinburgh) ON	45°26′28″N75°41′20″W / 45.441°N 75.689°W / 45.441; -75.689 (New Edinburgh Heritage Conservation District)	Ottawa (New Edinburgh) municipality (8447)
"N" Division, Stable Building	1 Sandridge Rd Ottawa (Manor Park) ON	45°27′24″N75°39′19″W / 45.4568°N 75.6552°W / 45.4568; -75.6552 ("N" Division, Stable Building)	Federal (4631)
Aberdeen Pavilion	Ottawa (The Glebe) ON	45°24′00″N75°40′58″W / 45.4°N 75.6828°W / 45.4; -75.6828 (Aberdeen Pavilion)	Federal (4114)	Q4666960	More images
Hay House	700 Echo Drive Ottawa (Old Ottawa South) ON	45°23′51″N75°40′47″W / 45.3975309°N 75.679682°W / 45.3975309; -75.679682 (Hay House)	Ottawa (Old Ottawa South) municipality (14211)		More images
Victoria Memorial Museum Building (Canadian Museum of Nature)	Ottawa (Centretown) ON	45°24′46″N75°41′20″W / 45.4128°N 75.6889°W / 45.4128; -75.6889 (Victoria Memorial Museum Building)	Federal (9657,(4483)	Q1032232	More images
Central Experimental Farm	Ottawa (River Ward) ON	45°22′57″N75°42′49″W / 45.3825°N 75.7137°W / 45.3825; -75.7137 (Central Experimental Farm)	Federal (13811)	Q4504150	More images
Château Laurier	Ottawa (Downtown Ottawa) ON	45°25′32″N75°41′42″W / 45.425566666667°N 75.695108333333°W / 45.425566666667; -75.695108333333 (Château Laurier)	Federal (14549)	Q2089212	More images
CFS Carp (Diefenbunker)	Ottawa (Carp) ON	45°21′06″N76°02′50″W / 45.3517°N 76.0472°W / 45.3517; -76.0472 (CFS Carp)	Federal (4169)	Q5010827	More images
Government Conference Centre	2 Rideau Street Ottawa (Sandy Hill) ON	45°25′29″N75°41′37″W / 45.4246°N 75.6937°W / 45.4246; -75.6937 (Government Conference Centre)	Federal (4305)		More images
National Research Council of Canada, Building M-12	1200 Montreal Road Ottawa (Rideau-Rockcliffe Ward) ON	45°26′54″N75°37′00″W / 45.4482°N 75.6167°W / 45.4482; -75.6167 (National Research Council of Canada, Building M-12)	Federal (10160)		Upload Photo
Notre-Dame Cathedral Basilica	Ottawa (Lowertown) ON	45°25′47″N75°41′47″W / 45.4297°N 75.6965°W / 45.4297; -75.6965 (Notre-Dame Cathedral Basilica)	Federal (12135), Ottawa (Lowertown) municipality (8448)	Q1051168	More images
Former Ottawa Teachers' College (Ottawa Normal School)	Ottawa (Ottawa City Hall) ON	45°25′12″N75°41′27″W / 45.42°N 75.6909°W / 45.42; -75.6909 (Former Ottawa Teachers' College National Historic Site)	Federal (7437)	Q7109219	More images
Rideau Canal	Rideau Street, Ottawa / Kingston ON	45°25′35″N75°41′53″W / 45.4264°N 75.6981°W / 45.4264; -75.6981 (Rideau Canal National Historic Site)	Federal (5727)	Q651323	More images
Rideau Hall, Complex as a whole	1 Sussex Drive Ottawa (New Edinburgh) ON	45°26′38″N75°41′09″W / 45.4439°N 75.6859°W / 45.4439; -75.6859 (Rideau Hall, Complex as a whole)	Federal (16881)		More images
Rideau Hall Visitor Centre	11 Rideau Gate Ottawa (New Edinburgh) ON	45°26′39″N75°41′29″W / 45.4442°N 75.6915°W / 45.4442; -75.6915 (Rideau Hall Visitor Centre)	Federal (21062)
Saint Brigid's Church	314 St. Patrick Street Ottawa (Byward Market) ON	45°25′53″N75°41′27″W / 45.4314°N 75.6907°W / 45.4314; -75.6907 (Saint Brigid's Church)	Ontario (8906), Ottawa (Byward Market) municipality (18642)		More images
Church of St. Alban the Martyr	125 Daly Street Ottawa (Sandy Hill) ON	45°25′39″N75°41′06″W / 45.4275°N 75.6849°W / 45.4275; -75.6849 (Church of St. Alban the Martyr)	Ontario (10422)		More images
Central Heating Plant	Tunney's Pasture Ottawa (Tunney's Pasture) ON	45°24′19″N75°44′15″W / 45.4052°N 75.7374°W / 45.4052; -75.7374 (Central Heating Plant)	Federal (12921)
Coach House for Prime Minister's Residence	10 Sussex Drive Ottawa ON	45°26′41″N75°41′33″W / 45.4447°N 75.6926°W / 45.4447; -75.6926 (Coach House for Prime Minister's Residence)	Federal (19636)		More images
Statistics Canada - Main Building (Former Dominion Bureau of Statistics Building)	Ottawa (Tunney's Pasture) ON	45°24′21″N75°44′03″W / 45.4059°N 75.7342°W / 45.4059; -75.7342 (Statistics Canada Main Building)	Federal (13122)	Q6735940	More images
304-312 Queen Elizabeth Driveway	0, 304-312 Queen Elizabeth Driveway Ottawa (The Glebe) ON	45°24′24″N75°40′58″W / 45.4067°N 75.6828°W / 45.4067; -75.6828 (304-312 Queen Elizabeth Driveway)	Ottawa (The Glebe) municipality (10058)		More images
41 York Street	41 York Street Ottawa (Byward Market) ON	45°25′41″N75°41′37″W / 45.428°N 75.6936°W / 45.428; -75.6936 (41 York Street)	Ottawa (Byward Market) municipality (13413)
419-423 Sussex Drive	419-423 Sussex Drive Ottawa (Byward Market) ON	45°25′50″N75°41′47″W / 45.4305°N 75.6965°W / 45.4305; -75.6965 (419-423 Sussex Drive)	Federal (4627)
Administration Building	588 Booth Street Ottawa (Glebe Annex) ON	45°23′59″N75°42′20″W / 45.3998°N 75.7056°W / 45.3998; -75.7056 (Administration Building)	Federal (11137)
Arc Biotech Building (No. 34)	Ottawa (River Ward) ON	45°23′30″N75°42′47″W / 45.39178°N 75.71308°W / 45.39178; -75.71308 (Arc Biotech Building (No. 34))	Federal (9591)	Q24046200	More images
Bank of Montreal	144 Wellington St. Ottawa (Downtown) ON	45°25′20″N75°41′59″W / 45.4222°N 75.6997°W / 45.4222; -75.6997 (Bank of Montreal)	Federal (16147)		More images
Bank of Nova Scotia	125 Sparks Street Ottawa (Downtown) ON	45°25′21″N75°41′54″W / 45.4225°N 75.6984°W / 45.4225; -75.6984 (Bank of Nova Scotia)	Federal (16481)		More images
Bate Building	109-111 Sparks Street Ottawa (Downtown) ON	45°25′22″N75°41′53″W / 45.4228°N 75.6981°W / 45.4228; -75.6981 (Bate Building)	Federal (7392)		More images
Beechwood Cemetery	Ottawa (Rideau-Rockcliffe Ward) ON	45°26′49″N75°39′36″W / 45.4469°N 75.6599°W / 45.4469; -75.6599 (Beechwood Cemetery)	Federal (1210)	Q4087599	More images
Billings Estate	Ottawa (Alta Vista) ON	45°23′23″N75°40′20″W / 45.3898°N 75.6722°W / 45.3898; -75.6722 (Billings Estate)	Federal (12622)	Q4911946	More images
Birks Building	107 Sparks Street Ottawa (Downtown) ON	45°25′22″N75°41′52″W / 45.4227°N 75.6979°W / 45.4227; -75.6979 (Birks Building)	Federal (7391)		Upload Photo
Blackburn Building	85 Sparks Street Ottawa (Downtown) ON	45°25′24″N75°41′50″W / 45.4233°N 75.6973°W / 45.4233; -75.6973 (Blackburn Building)	Federal (4042)		More images
Boathouse	501 Rockcliffe Driveway Ottawa ON	45°27′18″N75°41′15″W / 45.4550°N 75.6876°W / 45.4550; -75.6876 (Boathouse)	Federal (19615)		Upload Photo
Booth Building	165 Sparks Street Ottawa (Downtown) ON	45°25′20″N75°41′59″W / 45.4222°N 75.6997°W / 45.4222; -75.6997 (Booth Building)	Federal (4058)		Upload Photo
Booth Street Complex, Surveys and Mapping Building	615 Booth Street Ottawa (Glebe Annex) ON	45°24′03″N75°42′18″W / 45.4007°N 75.705°W / 45.4007; -75.705 (Booth Street Complex, Surveys and Mapping Building)	Federal (10145)		More images
Bronson Company Office	150 Middle Street Ottawa (Victoria Island) ON	45°25′13″N75°42′51″W / 45.42014°N 75.71414°W / 45.42014; -75.71414 (Bronson Company Office)	Federal (4721)		Upload Photo
Brooke Claxton Building	Colombine Driveway Ottawa (Tunney's Pasture) ON	45°24′32″N75°44′14″W / 45.4088°N 75.7373°W / 45.4088; -75.7373 (Brooke Claxton Building)	Federal (13173)		More images
Brouse Building	181-183 Sparks Street Ottawa (Downtown) ON	45°25′18″N75°42′01″W / 45.4218°N 75.7003°W / 45.4218; -75.7003 (Brouse Building)	Federal (4059)		More images
Burritts Rapids Lockstation, Bridgehouse	near Burritts Rapids Lock, on an island between the Rideau River and Canal Ottawa (Burritts Rapids) ON	44°58′50″N75°47′47″W / 44.9805°N 75.7964°W / 44.9805; -75.7964 (Burritts Rapids Lockstation, Bridgehouse)	Federal (4713)		Upload Photo
Bus Shelter; Vincent Massey Park	701 Heron Road Ottawa ON	45°22′42″N75°41′49″W / 45.3782°N 75.6970°W / 45.3782; -75.6970 (Bus Shelter; Vincent Massey Park)	Federal (21076)		Upload Photo
Byward Market Heritage Conservation District	St. Patrick Street, George Street, MacKenzie Avenue, Dalhousie Street Ottawa (Byward Market) ON	45°25′44″N75°41′35″W / 45.4289°N 75.693°W / 45.4289; -75.693 (Byward Market Heritage Conservation District)	Ottawa (Byward Market) municipality (8438)		More images
Canada's Four Corners Building	93 Sparks Street Ottawa (Downtown) ON	45°25′23″N75°41′51″W / 45.423°N 75.6976°W / 45.423; -75.6976 (Canada's Four Corners Building)	Federal (4640)		More images
Canadian Imperial Bank of Commerce	119 Sparks Street Ottawa (Downtown) ON	45°25′22″N75°41′54″W / 45.4227°N 75.6984°W / 45.4227; -75.6984 (Canadian Imperial Bank of Commerce)	Federal (4641)		More images
Carleton County Court House	2, Daly Avenue Ottawa (Sandy Hill) ON	45°25′30″N75°41′20″W / 45.425°N 75.6889°W / 45.425; -75.6889 (Carleton County Court House)	Ottawa (Sandy Hill) municipality (8442)		More images
Carleton County Gaol	75, Nicholas Street Ottawa (Sandy Hill) ON	45°25′30″N75°41′20″W / 45.425°N 75.6889°W / 45.425; -75.6889 (Carleton County Gaol)	Ottawa (Sandy Hill) municipality (8443)		More images
Carleton Place Town Hall	175, Bridge Street Carleton Place ON	45°14′00″N75°45′00″W / 45.2333°N 75.75°W / 45.2333; -75.75 (Carleton Place Town Hall)	Carleton Place municipality (9810)		More images
Carpenter's Shop	Ottawa (River Ward) ON	45°23′02″N75°42′54″W / 45.384°N 75.715°W / 45.384; -75.715 (Carpenter's Shop)	Federal (9604)	Q24046202	More images
CBC Building	1500 Bronson Avenue Ottawa (Confederation Heights) ON	45°22′42″N75°41′14″W / 45.3784°N 75.6873°W / 45.3784; -75.6873 (CBC Building)	Federal (1865)		More images
CEF, Horticulture Building, No. 74	74 Central Experimental Farm Ottawa (River Ward) ON	45°23′27″N75°42′23″W / 45.3907°N 75.7065°W / 45.3907; -75.7065 (CEF, Horticulture Building, No. 74)	Federal (4692)		More images
Central Chambers	Ottawa (Downtown Ottawa) ON	45°25′24″N75°41′43″W / 45.4232°N 75.6953°W / 45.4232; -75.6953 (Central Chambers)	Federal (2857)	Q5060536	More images
Centretown Heritage Conservation District	south of Parliament Hill, north of Queensway corridor, and west of the Rideau Canal Ottawa (Centretown) ON	45°24′53″N75°41′28″W / 45.4146°N 75.691°W / 45.4146; -75.691 (Centretown Heritage Conservation District)	Ottawa (Centretown) municipality (8439)		More images
Cereal Barn	Ottawa (River Ward) ON	45°23′17″N75°42′32″W / 45.388°N 75.709°W / 45.388; -75.709 (Cereal Barn)	Federal (14830)	Q24046225	More images
Cereal Crops Building	CEF campus Building 75 Ottawa ON	45°23′21″N75°42′32″W / 45.3892°N 75.7088°W / 45.3892; -75.7088 (Cereal Crops Building)	Federal (11056)		More images
Service Building	CEF campus Building 56 Ottawa ON	45°23′21″N75°42′34″W / 45.3891°N 75.7094°W / 45.3891; -75.7094 (Service Building)	Federal (4658)
K.W. Neatby Building	Ottawa (River Ward) ON	45°23′33″N75°43′00″W / 45.3925°N 75.716666666667°W / 45.3925; -75.716666666667 (K.W. Neatby Building)	Federal (4673)	Q6323030	More images
Chemical Radioactive Ores Building	555 Booth Street Ottawa (Glebe Annex) ON	45°24′08″N75°42′22″W / 45.4023°N 75.7061°W / 45.4023; -75.7061 (Chemical Radioactive Ores Building)	Federal (9828)		Upload Photo
Commercial Building	13-15 Clarence Street Ottawa ON	45°25′42″N75°41′42″W / 45.4282°N 75.6950°W / 45.4282; -75.6950 (Commercial Building (13-15 Clarence Street))	Federal (4726)		Upload Photo
Commercial Building	461-456 Sussex Drive Ottawa ON	45°25′42″N75°41′44″W / 45.4282°N 75.6956°W / 45.4282; -75.6956 (Commercial Building (461-465 Sussex Drive))	Federal (11408)
Commercial Building	457-459 Sussex Drive Ottawa (Byward Market) ON	45°25′42″N75°41′44″W / 45.4283°N 75.6955°W / 45.4283; -75.6955 (Commercial Building (457-459 Sussex Drive))	Federal (4715)
Confederation Building	229 Wellington Street (Downtown) Ottawa ON	45°25′19″N75°42′10″W / 45.422°N 75.7028°W / 45.422; -75.7028 (Confederation Building)	Federal (3586)		More images
Confederation Square	Ottawa (Downtown) ON	45°25′26″N75°41′44″W / 45.424°N 75.6955°W / 45.424; -75.6955 (Confederation Square)	Federal (12073)	Q4365607	More images
Connaught Building	550 Sussex Drive Ottawa (Byward Market) ON	45°25′37″N75°41′43″W / 45.427°N 75.6952°W / 45.427; -75.6952 (Connaught Building)	Federal (4029,(4165)		More images
Dairy Technology Annex	Building 57, Central Experimental Farm Ottawa (River Ward) ON	45°23′02″N75°42′54″W / 45.384°N 75.715°W / 45.384; -75.715 (Dairy Technology Annex)	Federal (4637)		More images
Defensible Lockmaster's House	at the top of the Hartwell Locks Ottawa (River Ward) ON	45°23′02″N75°42′00″W / 45.384°N 75.7°W / 45.384; -75.7 (Defensible Lockmaster's House)	Federal (11055)		More images
Store House	Hartwell Locks Ottawa (River Ward) ON	45°23′03″N75°42′03″W / 45.3841°N 75.7007°W / 45.3841; -75.7007 (Store House)	Federal (11054)		Upload Photo
Dominion Observatory	Central Experimental Farm, bounded by Carling Avenue and Observatory Drive Ottawa (River Ward) ON	45°23′37″N75°42′51″W / 45.3936°N 75.7143°W / 45.3936; -75.7143 (Dominion Observatory)	Federal (4376)		More images
Dover Building	185-187 Sparks Street Ottawa (Downtown) ON	45°25′18″N75°42′01″W / 45.4218°N 75.7004°W / 45.4218; -75.7004 (Dover Building)	Federal (4643)		More images
Drill Hall	1 Cartier Square Ottawa ON	45°25′18″N75°41′21″W / 45.4217°N 75.6892°W / 45.4217; -75.6892 (Drill Hall)	Federal (15942)		More images
Earnscliffe	Ottawa (Lower Town) ON	45°26′15″N75°41′56″W / 45.4375°N 75.6989°W / 45.4375; -75.6989 (Earnscliffe)	Federal (12684)	Q5326955	More images
East Memorial Building	284 Wellington Street Ottawa (Downtown) ON	45°25′12″N75°42′17″W / 45.42°N 75.7048°W / 45.42; -75.7048 (East Memorial Building)	Federal (9541)		More images
EMR Complex: Fuel Testing Laboratory	562 Booth Street Ottawa (Glebe Annex) ON	45°24′07″N75°42′23″W / 45.4019°N 75.7063°W / 45.4019; -75.7063 (EMR Complex: Fuel Testing Laboratory)	Federal (4666)		More images
Energy, Mines and Resources Complex, Ore Dressing Laboratory	552 Booth Street Ottawa (Glebe Annex) ON	45°14′56″N75°25′21″W / 45.249°N 75.4225°W / 45.249; -75.4225 (Energy, Mines and Resources Complex, Ore Dressing Laboratory)	Federal (4667)		More images
Engineering Research Building	Central Experimental Farm Ottawa (River Ward) ON	45°23′18″N75°42′40″W / 45.3883°N 75.711°W / 45.3883; -75.711 (Engineering Research Building)	Federal (9505)		More images
First Avenue Public School	73 First Avenue Ottawa (The Glebe) ON	45°24′22″N75°41′07″W / 45.4061°N 75.6852°W / 45.4061; -75.6852 (First Avenue Public School)	Ottawa (The Glebe) municipality (10299)		More images
Forintek Building	800 Montreal Road Ottawa (Rideau-Rockcliffe Ward) ON	45°26′39″N75°38′02″W / 45.4441°N 75.634°W / 45.4441; -75.634 (Forintek Building)	Federal (4659)		Upload Photo
Former Archives Building and former War Museum	Ottawa (Lower Town) ON	45°25′50″N75°41′55″W / 45.4306°N 75.6987°W / 45.4306; -75.6987 (Former Archives Building)	Federal (3462,(13220)	Q5570166	More images
Former Geological Survey of Canada Building	Ottawa (Byward Market) ON	45°25′35″N75°41′38″W / 45.4264°N 75.6939°W / 45.4264; -75.6939 (Former Geological Survey of Canada Building)	Federal (4649,(1142)	Q15218037	More images
Former NCC Building (demolished)	401 Lebreton Street Ottawa (Glebe Annex) ON	45°24′01″N75°42′09″W / 45.4002°N 75.7025°W / 45.4002; -75.7025 (Former NCC Building (demolished))	Federal (4661)		Upload Photo
Former Ottawa City Hall	111 Sussex Drive Ottawa (Green Island) ON	45°26′23″N75°41′38″W / 45.4398°N 75.694°W / 45.4398; -75.694 (Former Ottawa City Hall)	Federal (6629)		More images
Former U.S. Embassy	100 Wellington Street Ottawa (Downtown) ON	45°25′24″N75°41′54″W / 45.4232°N 75.6984°W / 45.4232; -75.6984 (Former U.S. Embassy)	Federal (15144)		More images
Fraser School House	62 John Street Ottawa (New Edinburgh) ON	45°26′33″N75°41′36″W / 45.4425°N 75.6932°W / 45.4425; -75.6932 (Fraser School House)	Federal (4694)		More images
Fry House	4148 Donnelly Drive Ottawa (Burritts Rapids) ON	44°59′27″N75°46′28″W / 44.9909°N 75.7745°W / 44.9909; -75.7745 (Fry House)	Ottawa (Burritts Rapids) municipality (15269)		Upload Photo
Geological Survey of Canada Building	601 Booth Street Ottawa (Glebe Annex) ON	45°23′59″N75°42′20″W / 45.3998°N 75.7056°W / 45.3998; -75.7056 (Geological Survey of Canada Building)	Federal (11135)		Upload Photo
George Sparks House	936-940 River Road Ottawa (Manotick) ON	45°14′12″N75°41′09″W / 45.2368°N 75.6859°W / 45.2368; -75.6859 (George Sparks House)	Federal (4630)		Upload Photo
Gilroy Farm	7406 Gilroy Road Ottawa (Burritts Rapids) ON	44°58′09″N75°49′43″W / 44.9693°N 75.8285°W / 44.9693; -75.8285 (Gilroy Farm)	Ottawa (Burritts Rapids) municipality (10300)		Upload Photo
Hangar H 11 / VIP Reception Building	Ottawa International Airport Ottawa (Gloucester-Southgate Ward) ON	45°19′N75°40′W / 45.32°N 75.66°W / 45.32; -75.66 (Hangar H 11 / VIP Reception Building)	Federal (2740)		Upload Photo
Hangar H 14	Ottawa International Airport Ottawa (Gloucester-Southgate Ward) ON	45°19′N75°40′W / 45.32°N 75.66°W / 45.32; -75.66 (Hangar H 14)	Federal (2751)		Upload Photo
Health Care Centre	Valour Drive Ottawa (Riverview) ON	45°24′06″N75°39′33″W / 45.4016°N 75.6593°W / 45.4016; -75.6593 (Health Care Centre)	Federal (1889)		Upload Photo
Heritage House (Building 54)	Central Experimental Farm National Historic Site Ottawa (River Ward) ON	45°23′22″N75°42′39″W / 45.38946°N 75.71095°W / 45.38946; -75.71095 (Heritage House (Building 54))	Federal (9612)		More images
Heritage House, No. 60	Central Experimental Farm Ottawa (River Ward) ON	45°23′25″N75°42′31″W / 45.3904°N 75.7085°W / 45.3904; -75.7085 (Heritage House, No. 60)	Federal (4711)		More images
Hollywood Parade	103 James Street Ottawa ON	45°24′42″N75°41′55″W / 45.4118°N 75.6986°W / 45.4118; -75.6986 (Hollywood Parade)	Ontario (18640)		Upload Photo
Hope Building	61-63 Sparks Street Ottawa (Downtown) ON	45°25′25″N75°41′48″W / 45.4235°N 75.6966°W / 45.4235; -75.6966 (Hope Building)	Federal (4632)		More images
Horticulture Building	Building 55, Central Experimental Farm Ottawa (River Ward) ON	45°23′20″N75°42′40″W / 45.389°N 75.711°W / 45.389; -75.711 (Horticulture Building)	Federal (4653)		More images
Industrial Minerals and Ceramics	405 Rochester Street Ottawa (Glebe Annex) ON	45°24′09″N75°42′28″W / 45.4025°N 75.7077°W / 45.4025; -75.7077 (Industrial Minerals and Ceramics)	Federal (4671)		More images
Jeanne D'Arc Institute	493 Sussex Drive Ottawa (Byward Market) ON	45°25′40″N75°41′42″W / 45.4277°N 75.695°W / 45.4277; -75.695 (Jeanne D'Arc Institute)	Federal (4647)
John R. Booth Residence National Historic Site	252 Metcalfe Street Ottawa (Centretown) ON	45°24′59″N75°41′32″W / 45.4164°N 75.6922°W / 45.4164; -75.6922 (John R. Booth Residence National Historic Site)	Federal (12018)		More images
Justice Building	294 Wellington Street Ottawa (Downtown) ON	45°25′17″N75°42′14″W / 45.4215°N 75.7038°W / 45.4215; -75.7038 (Justice Building)	Federal (4688)		More images
La Salle Academy	373 Sussex Drive Ottawa (Lower Town) ON	45°15′06″N75°25′19″W / 45.2518°N 75.4219°W / 45.2518; -75.4219 (La Salle Academy)	Federal (3563)		More images
Laboratory Services Building No. 22	Central Experimental Farm Ottawa (River Ward) ON	45°23′31″N75°43′08″W / 45.3919°N 75.7188°W / 45.3919; -75.7188 (Laboratory Services Building No. 22)	Federal (4655)
Langevin Block	62 Wellington Street Ottawa (Downtown) ON	45°25′25″N75°41′51″W / 45.4237°N 75.6974°W / 45.4237; -75.6974 (Langevin Block)	Federal (4031)
Langevin Block National Historic Site	80 Wellington Street Ottawa (Downtown) ON	45°25′25″N75°41′50″W / 45.4235°N 75.6972°W / 45.4235; -75.6972 (Langevin Block National Historic Site)	Federal (14127)		More images
Larocque-Lafortune College	445-447 Sussex Drive Ottawa (Byward Market) ON	45°25′43″N75°41′45″W / 45.4286°N 75.6957°W / 45.4286; -75.6957 (Larocque-Lafortune College)	Federal (4716)		More images
Laurier House	335 Laurier Avenue East Ottawa (Sandy Hill) ON	45°25′39″N75°40′40″W / 45.4275°N 75.6779°W / 45.4275; -75.6779 (Laurier House)	Federal (4038,(7634)		More images
Lester B. Pearson Building	125 Sussex Drive Ottawa ON	45°26′14″N75°41′46″W / 45.4371°N 75.6962°W / 45.4371; -75.6962 (Lester B. Pearson Building)	Federal (19637)		More images
Lindsay House	6722 Rideau Valley Drive South Ottawa (Kars) ON	45°09′01″N75°38′51″W / 45.1503°N 75.6474°W / 45.1503; -75.6474 (Lindsay House)	Ottawa (Kars) municipality (10302)		Upload Photo
Lisgar Collegiate Institute	29 Lisgar Street Ottawa (Golden Triangle) ON	45°25′13″N75°41′20″W / 45.4204°N 75.689°W / 45.4204; -75.689 (Lisgar Collegiate Institute)	Ottawa (Golden Triangle) municipality (15277)		More images
Lock Office	upper end of the Ottawa Locks Ottawa (Downtown) ON	45°25′30″N75°41′45″W / 45.4249°N 75.6958°W / 45.4249; -75.6958 (Lock Office)	Federal (11088)
Lowertown West Heritage Conservation District	North of the Byward Market, south of the Ottawa River and east of the Rideau Canal Ottawa (Lowertown) ON	45°25′59″N75°41′38″W / 45.433°N 75.694°W / 45.433; -75.694 (Lowertown West Heritage Conservation District)	Ottawa (Lowertown) municipality (8446)		More images
Machine Shop (#4)	Observatory Campus, Central Experimental Farm Ottawa (River Ward) ON	45°23′02″N75°42′54″W / 45.384°N 75.715°W / 45.384; -75.715 (Machine Shop (#4))	Federal (4701)		Upload Photo
MacKay Castle	1 Sussex Drive Ottawa (New Edinburgh) ON	45°26′41″N75°41′29″W / 45.444611°N 75.691457°W / 45.444611; -75.691457 (MacKay Castle)	Federal (4302)		More images
Main Dairy Barn	Building 88 Central Experimental Farm Ottawa (River Ward) ON	45°23′19″N75°42′37″W / 45.3886°N 75.7104°W / 45.3886; -75.7104 (Main Dairy Barn)	Federal (3460)		More images
Main Greenhouse Range	Central Experimental Farm Ottawa (River Ward) ON	45°23′25″N75°42′43″W / 45.3902°N 75.712°W / 45.3902; -75.712 (Main Greenhouse Range)	Federal (4670)		More images
Maintenance Building	Major's Hill Park Ottawa (Byward Market) ON	45°25′42″N75°41′56″W / 45.4283°N 75.6989°W / 45.4283; -75.6989 (Maintenance Building)	Federal (9947)		More images
Manotick United Church	5567 Manotick Main Street Ottawa (Manotick) ON	45°13′27″N75°40′57″W / 45.2242°N 75.6826°W / 45.2242; -75.6826 (Manotick United Church)	Ottawa (Manotick) municipality (10308)		More images
Mansfield Building	481 Sussex Drive Ottawa (Byward Market) ON	45°25′40″N75°41′42″W / 45.4277°N 75.695°W / 45.4277; -75.695 (Mansfield Building)	Federal (4645)
Maplelawn	529 Richmond Road Ottawa (Westboro) ON	45°23′17″N75°45′41″W / 45.3881°N 75.7614°W / 45.3881; -75.7614 (Maplelawn)	Federal (15836)		More images
Maplelawn & Gardens National Historic Site	529 Richmond Road Ottawa (Westboro) ON	45°23′18″N75°45′42″W / 45.3883°N 75.7617°W / 45.3883; -75.7617 (Maplelawn & Gardens National Historic Site)	Federal (16461)		More images
Marlborough Township Office	3048 Pierce Road Ottawa (Malakoff) ON	45°05′30″N75°45′26″W / 45.0916°N 75.7571°W / 45.0916; -75.7571 (Marlborough Township Office)	Ottawa (Malakoff) municipality (10309)		Upload Photo
Marshall Building	14 Metcalfe Street Ottawa (Downtown) ON	45°25′23″N75°41′52″W / 45.4231°N 75.6978°W / 45.4231; -75.6978 (Marshall Building)	Federal (4718)		Upload Photo
May Building	489 Sussex Drive Ottawa (Byward Market) ON	45°25′39″N75°41′42″W / 45.4276°N 75.6949°W / 45.4276; -75.6949 (May Building)	Federal (4648)
Miller's Oven	1137 Mill Street Ottawa (Manotick) ON	45°13′34″N75°41′02″W / 45.2262°N 75.684°W / 45.2262; -75.684 (Miller's Oven)	Ottawa (Manotick) municipality (10310)		More images
Monastère du Précieux Sang	774 Echo Drive Ottawa (Old Ottawa South) ON	45°23′54″N75°40′44″W / 45.3982°N 75.679°W / 45.3982; -75.679 (Monastère du Précieux Sang)	Ottawa (Old Ottawa South) municipality (10311)		Upload Photo
Mutchmor Public School	185 Fifth Avenue Ottawa (The Glebe) ON	45°24′03″N75°41′25″W / 45.4008°N 75.6904°W / 45.4008; -75.6904 (Mutchmor Public School)	Ottawa (The Glebe) municipality (18490)		More images
National Arts Centre National Historic Site	53 Elgin Street Ottawa (Downtown Ottawa) ON	45°25′25″N75°41′36″W / 45.4235°N 75.6934°W / 45.4235; -75.6934 (National Arts Centre National Historic Site)	Federal (9091)		More images
National Press Building	150 Wellington St. / Sparks Street Ottawa (Downtown) ON	45°25′20″N75°42′01″W / 45.4223°N 75.7003°W / 45.4223; -75.7003 (National Press Building)	Federal (4690)		More images
National Research Council Canada Laboratories	100 Sussex Drive Ottawa (Lowertown) ON	45°26′19″N75°41′51″W / 45.4386°N 75.6976°W / 45.4386; -75.6976 (National Research Council Canada Laboratories)	Federal (4030)		More images
National Research Council of Canada, Building M-20	1200 Montreal Road Ottawa (Rideau-Rockcliffe Ward) ON	45°26′51″N75°37′12″W / 45.4476°N 75.6201°W / 45.4476; -75.6201 (National Research Council of Canada, Building M-20)	Federal (10794)		Upload Photo
North Gower Old Town Hall	6581 Fourth Line Road Ottawa (North Gower) ON	45°07′58″N75°43′04″W / 45.1327°N 75.7177°W / 45.1327; -75.7177 (North Gower Old Town Hall)	Ottawa (North Gower) municipality (10312)		Upload Photo
Nutrition Building	Central Experimental Farm Ottawa (River Ward) ON	45°23′25″N75°42′30″W / 45.3902°N 75.7082°W / 45.3902; -75.7082 (Nutrition Building)	Federal (4709)		More images
Observatory House	Central Experimental Farm Ottawa (River Ward) ON	45°23′38″N75°42′48″W / 45.3939°N 75.7132°W / 45.3939; -75.7132 (Observatory House)	Federal (4704)
Office Building	35 George Street Ottawa (Byward Market) ON	45°25′37″N75°41′35″W / 45.427°N 75.6931°W / 45.427; -75.6931 (Office Building (35 George Street))	Federal (4717)		Upload Photo
Office Building	17-19 York Street Ottawa ON	45°25′40″N75°41′39″W / 45.4277°N 75.6943°W / 45.4277; -75.6943 (Office Building (17-19 York Street))	Federal (4719)		Upload Photo
Official Guest Residence	7 Rideau Gate Ottawa (New Edinburgh) ON	45°26′39″N75°41′32″W / 45.4441°N 75.6921°W / 45.4441; -75.6921 (Official Guest Residence)	Federal (4650)		More images
Ore Dressing Laboratory (550 Booth Street)	552 Booth Street Ottawa (Glebe Annex) ON	45°24′08″N75°42′23″W / 45.4021°N 75.7065°W / 45.4021; -75.7065 (Ore Dressing Laboratory (550 Booth Street))	Federal (4665)		Upload Photo
Ottawa Electric Railway Company Steam Plant	Middle Street Ottawa (Victoria Island) ON	45°25′11″N75°42′58″W / 45.4196°N 75.716°W / 45.4196; -75.716 (Ottawa Electric Railway Company Steam Plant)	Federal (4714)		Upload Photo
Ottawa Hydro Generating Station No. 2	Mill Street Ottawa (Victoria Island) ON	45°25′09″N75°42′49″W / 45.4193°N 75.7137°W / 45.4193; -75.7137 (Ottawa Hydro Generating Station No. 2)	Federal (4360)		More images
Parkdale Fire Station	424 Parkdale Avenue Ottawa (Wellington Street West) ON	45°23′59″N75°43′44″W / 45.3998°N 75.7289°W / 45.3998; -75.7289 (Parkdale Fire Station)	Ottawa (Wellington Street West) municipality (1199)		More images
Parliament Hill	Ottawa (Downtown) ON	45°25′29″N75°41′58″W / 45.4247°N 75.6994°W / 45.4247; -75.6994 (Parliament Hill)	Federal (17943,(18470)	Q1589289	More images
Centre Block	Ottawa (Downtown) ON	45°25′30″N75°41′59″W / 45.425°N 75.6997°W / 45.425; -75.6997 (Parliament Hill (Centre Block))	Federal (4675)	Q5062237	More images
East Block	Ottawa (Downtown) ON	45°25′29″N75°41′51″W / 45.4247°N 75.6975°W / 45.4247; -75.6975 (Parliament Hill (East Block))	Federal (4680)	Q5327883	More images
Library of Parliament	Ottawa (Downtown) ON	45°25′32″N75°42′01″W / 45.4256°N 75.7003°W / 45.4256; -75.7003 (Library of Parliament)	Federal (4679)	Q1125633	More images
West Block	Ottawa (Downtown) ON	45°25′24″N75°42′02″W / 45.4233°N 75.7006°W / 45.4233; -75.7006 (Parliament Hill (West Block))	Federal (4681)	Q7984482	More images
Patterson Creek Pavilion	Linden Terrace Ottawa (The Glebe) ON	45°24′29″N75°40′57″W / 45.4081°N 75.6825°W / 45.4081; -75.6825 (Patterson Creek Pavilion)	Federal (4677)		More images
Pavilion A	1495 Heron Road Ottawa (Alta Vista) ON	45°22′52″N75°39′10″W / 45.3812°N 75.6527°W / 45.3812; -75.6527 (Pavilion A)	Federal (13968)		Upload Photo
Pavilion B	1495 Heron Road Ottawa (Alta Vista) ON	45°22′53″N75°39′10″W / 45.3813°N 75.6527°W / 45.3813; -75.6527 (Pavilion B)	Federal (13043)		Upload Photo
Pavilion C at the Federal Study Centre	1495 Heron Road Ottawa (Alta Vista) ON	45°22′53″N75°39′10″W / 45.3814°N 75.6527°W / 45.3814; -75.6527 (Pavilion C at the Federal Study Centre)	Federal (15841)		Upload Photo
Pavilion D at the Federal Study Centre	1495 Heron Road Ottawa (Alta Vista) ON	45°22′53″N75°39′10″W / 45.3815°N 75.6527°W / 45.3815; -75.6527 (Pavilion D at the Federal Study Centre)	Federal (15842)		Upload Photo
Pavilion E at the Federal Study Centre	1495 Heron Road Ottawa (Alta Vista) ON	45°22′54″N75°39′10″W / 45.3816°N 75.6527°W / 45.3816; -75.6527 (Pavilion E at the Federal Study Centre)	Federal (15843)		Upload Photo
Pavilion F at the Federal Study Centre	1495 Heron Road Ottawa (Alta Vista) ON	45°22′53″N75°39′09″W / 45.3814°N 75.6525°W / 45.3814; -75.6525 (Pavilion F at the Federal Study Centre)	Federal (15844)		Upload Photo
Pavilion H at the Federal Study Centre	1495 Heron Road Ottawa (Alta Vista) ON	45°22′53″N75°39′09″W / 45.3814°N 75.6526°W / 45.3814; -75.6526 (Pavilion H at the Federal Study Centre)	Federal (15846)		Upload Photo
Pavilion I at the Federal Study Centre	1495 Heron Road Ottawa (Alta Vista) ON	45°22′53″N75°39′10″W / 45.3814°N 75.6528°W / 45.3814; -75.6528 (Pavilion I at the Federal Study Centre)	Federal (15847)		Upload Photo
Pavilion J at the Federal Study Centre	1495 Heron Road Ottawa (Alta Vista) ON	45°22′53″N75°39′10″W / 45.3814°N 75.6529°W / 45.3814; -75.6529 (Pavilion J at the Federal Study Centre)	Federal (15854)		Upload Photo
Pavilion K at the Federal Study Centre	1495 Heron Road Ottawa (Alta Vista) ON	45°22′53″N75°39′09″W / 45.3813°N 75.6525°W / 45.3813; -75.6525 (Pavilion K at the Federal Study Centre)	Federal (15855)		Upload Photo
Pavilion L at the Federal Study Centre	1495 Heron Road Ottawa (Alta Vista) ON	45°22′53″N75°39′09″W / 45.3813°N 75.6526°W / 45.3813; -75.6526 (Pavilion L at the Federal Study Centre)	Federal (15857)		Upload Photo
Photo Equatorial Building	Central Experimental Farm Ottawa (River Ward) ON	45°23′36″N75°42′50″W / 45.3934°N 75.714°W / 45.3934; -75.714 (Photo Equatorial Building)	Federal (4378)		More images
Physical Metallurgy Laboratory, Building A	568 Booth Street Ottawa (Glebe Annex) ON	45°24′05″N75°42′22″W / 45.4015°N 75.7061°W / 45.4015; -75.7061 (Physical Metallurgy Laboratory, Building A)	Federal (4698)		Upload Photo
Physical Metallurgy Laboratory, Building B	568 Booth Street Ottawa (Glebe Annex) ON	45°24′05″N75°42′22″W / 45.4013°N 75.7062°W / 45.4013; -75.7062 (Physical Metallurgy Laboratory, Building B)	Federal (4699)		Upload Photo
Physical Metallurgy Laboratory, Building C	568 Booth Street Ottawa (Glebe Annex) ON	45°24′06″N75°42′23″W / 45.4016°N 75.7065°W / 45.4016; -75.7065 (Physical Metallurgy Laboratory, Building C)	Federal (4702)		Upload Photo
Physical Metallurgy Laboratory, Building D	568 Booth Street Ottawa (Glebe Annex) ON	45°24′04″N75°42′24″W / 45.4011°N 75.7067°W / 45.4011; -75.7067 (Physical Metallurgy Laboratory, Building D)	Federal (4705)		Upload Photo
Physical Metallurgy Laboratory, Building E	568 Booth Street Ottawa (Glebe Annex) ON	45°24′05″N75°42′25″W / 45.4014°N 75.707°W / 45.4014; -75.707 (Physical Metallurgy Laboratory, Building E)	Federal (4708)		Upload Photo
Postal Station B	47-59 Sparks Street Ottawa (Downtown) ON	45°25′25″N75°41′47″W / 45.4236°N 75.6963°W / 45.4236; -75.6963 (Postal Station B)	Federal (16388)		More images
Potting Shed	CEF campus Building 77 Ottawa ON	45°23′17″N75°42′35″W / 45.3881°N 75.7097°W / 45.3881; -75.7097 (Potting Shed)	Federal (11345)		Upload Photo
Prime Minister's Residence	24 Sussex Drive Ottawa (New Edinburgh) ON	45°26′40″N75°41′38″W / 45.4444°N 75.6938°W / 45.4444; -75.6938 (Prime Minister's Residence)	Federal (4298)		More images
Public Archives and National Library Building	395 Wellington Street Ottawa (Downtown) ON	45°25′11″N75°42′28″W / 45.4196°N 75.7078°W / 45.4196; -75.7078 (Public Archives and National Library Building)	Federal (13053)
Public Grounds of the Parliament Buildings National Historic Site	Wellington St Ottawa (Downtown) ON	45°25′29″N75°41′58″W / 45.4246°N 75.6995°W / 45.4246; -75.6995 (Public Grounds of the Parliament Buildings National Historic Site)	Federal (17422)
Refreshment Stand	Hogs Back Ottawa (River Ward) ON	45°22′18″N75°41′46″W / 45.3716°N 75.696°W / 45.3716; -75.696 (Refreshment Stand)	Federal (4664)		More images
Residence	9 Rideau Gate Street Ottawa (New Edinburgh) ON	45°26′37″N75°41′12″W / 45.4436°N 75.6867°W / 45.4436; -75.6867 (Residence)	Federal (9656)		Upload Photo
Revere Hotel	475 Sussex Drive Ottawa (Byward Market) ON	45°25′40″N75°41′43″W / 45.4279°N 75.6952°W / 45.4279; -75.6952 (Revere Hotel)	Federal (4644)		More images
Rideau Cottage	Ottawa (New Wdinburgh) ON	45°26′37″N75°40′58″W / 45.443692°N 75.682738°W / 45.443692; -75.682738 (Rideau Cottage)	Federal (4652)	Q21209442	More images
Rideau Hall and Landscaped Grounds National Historic Site	1 Sussex Drive Ottawa (New Edinburgh) ON	45°26′41″N75°41′30″W / 45.4448°N 75.6918°W / 45.4448; -75.6918 (Rideau Hall and Landscaped Grounds National Historic Site)	Federal (7692)
Rideau Hall, Cricket Clubhouse	1 Sussex Drive Ottawa (New Edinburgh) ON	45°26′32″N75°41′13″W / 45.4422°N 75.6869°W / 45.4422; -75.6869 (Rideau Hall, Cricket Clubhouse)	Federal (4662)		Upload Photo
Rideau Hall, Dairy Building	1 Sussex Drive Ottawa (New Edinburgh) ON	45°26′38″N75°41′13″W / 45.444°N 75.687°W / 45.444; -75.687 (Rideau Hall, Dairy Building)	Federal (4657)		Upload Photo
Rideau Hall, Gasometer	1 Sussex Drive Ottawa (New Edinburgh) ON	45°26′39″N75°41′13″W / 45.4442°N 75.687°W / 45.4442; -75.687 (Rideau Hall, Gasometer)	Federal (4656)
Rideau Hall, Gate Lodge	1 Sussex Drive Ottawa (New Edinburgh) ON	45°26′41″N75°41′30″W / 45.4446°N 75.6916°W / 45.4446; -75.6916 (Rideau Hall, Gate Lodge)	Federal (4654)
Rideau Hall, Main Gate	1 Sussex Drive Ottawa (New Edinburgh) ON	45°26′40″N75°41′30″W / 45.4445°N 75.6918°W / 45.4445; -75.6918 (Rideau Hall, Main Gate)	Federal (4304)		More images
Rideau Hall, Secondary gates and fences	1 Sussex Drive Ottawa (New Edinburgh) ON	45°26′38″N75°41′15″W / 45.444°N 75.6875°W / 45.444; -75.6875 (Rideau Hall, Secondary gates and fences)	Federal (9815)
Rochon Residence	138 St. Patrick Street Ottawa (Byward Market) ON	45°25′45″N75°41′47″W / 45.4293°N 75.6964°W / 45.4293; -75.6964 (Rochon Residence)	Federal (4720)		More images
Rockcliffe Pavilion	Rockcliffe Parkway Ottawa (Rockcliffe Park) ON	45°26′38″N75°41′13″W / 45.444°N 75.687°W / 45.444; -75.687 (Rockcliffe Pavilion)	Federal (4674)		Upload Photo
Royal Canadian Mint	320 Sussex Drive Ottawa (Lowertown) ON	45°26′04″N75°41′57″W / 45.4344°N 75.6992°W / 45.4344; -75.6992 (Royal Canadian Mint)	Federal (9212,(3339)		More images
Royal Canadian Mounted Police Headquarters Building	1200 Vanier Parkway Ottawa (Overbrook) ON	45°25′10″N75°39′33″W / 45.4195°N 75.6593°W / 45.4195; -75.6593 (Royal Canadian Mounted Police Headquarters Building)	Federal (4706)		Upload Photo
Sandy Hill West Heritage Conservation District	east of the Rideau canal, south of the Byward Market and north of the University of Ottawa Ottawa (Sandy Hill) ON	45°25′35″N75°41′13″W / 45.4265°N 75.687°W / 45.4265; -75.687 (Sandy Hill West Heritage Conservation District)	Ottawa (Sandy Hill) municipality (8462)		More images
Saxe Building	75 Sparks Street Ottawa (Downtown) ON	45°25′25″N75°41′48″W / 45.4235°N 75.6967°W / 45.4235; -75.6967 (Saxe Building)	Federal (4635)		More images
Scottish Ontario Chambers	42-50 Sparks Street Ottawa (Downtown) ON	45°25′25″N75°41′45″W / 45.4235°N 75.6958°W / 45.4235; -75.6958 (Scottish Ontario Chambers)	Federal (4623)		More images
Seismology Survey Building	Central Experimental Farm National Historic Site Ottawa (River Ward) ON	45°23′38″N75°42′54″W / 45.394°N 75.7151°W / 45.394; -75.7151 (Seismology Survey Building)	Federal (4700)		More images
Geophysical Laboratory 3	Building No. 3 at Central Experimental Farm National Historic Site Ottawa (River Ward) ON		Federal (4703)		Upload Photo
Silver Springs Farm, Barn	3502 Richmond Road Ottawa (College Ward) ON	45°20′02″N75°48′54″W / 45.334°N 75.8149°W / 45.334; -75.8149 (Silver Springs Farm, Barn)	Federal (4325)		More images
Silver Springs Farm, House	3501 Richmond Road Ottawa (College Ward) ON	45°20′02″N75°48′53″W / 45.3338°N 75.8148°W / 45.3338; -75.8148 (Silver Springs Farm, House)	Federal (11516)		More images
Sir Charles Tupper Building	2250 Riverside Drive Ottawa (Billings Bridge) ON	45°22′31″N75°41′34″W / 45.3753°N 75.6929°W / 45.3753; -75.6929 (Sir Charles Tupper Building)	Federal (7660)		More images
Sir John Carling Building	930 Carling Avenue Ottawa (River Ward) ON	45°23′38″N75°42′40″W / 45.394°N 75.711°W / 45.394; -75.711 (Sir John Carling Building)	Federal (4263)		More images
Sir Leonard Tilley Building	719 Heron Road Ottawa (Confederation Heights) ON	45°22′N75°41′W / 45.37°N 75.69°W / 45.37; -75.69 (Sir Leonard Tilley Building)	Federal (2898)
Slater Building	177-179 Sparks Street Ottawa (Downtown) ON	45°25′19″N75°42′01″W / 45.4219°N 75.7002°W / 45.4219; -75.7002 (Slater Building)	Federal (4642)		More images
Small Dairy Barn	Building 95, Central Experimental Farm Ottawa (River Ward) ON	45°23′16″N75°42′42″W / 45.3879°N 75.7116°W / 45.3879; -75.7116 (Small Dairy Barn)	Federal (9946)		More images
South Azimuth Building	Central Experimental Farm National Historic Site Ottawa (River Ward) ON	45°23′36″N75°42′53″W / 45.3932°N 75.7147°W / 45.3932; -75.7147 (South Azimuth Building)	Federal (4377)		More images
Sparrow Building	489 Sussex Drive Ottawa (Byward Market) ON	45°25′41″N75°41′43″W / 45.428°N 75.6952°W / 45.428; -75.6952 (Sparrow Building)	Federal (4646)		Upload Photo
St. Louis House	1579 Washington Street Ottawa (Kars) ON	45°09′02″N75°38′48″W / 45.1506°N 75.6466°W / 45.1506; -75.6466 (St. Louis House)	Ottawa (Kars) municipality (13341)		Upload Photo
Stable / Garage Recognized Federal Heritage Building	1 Sussex Drive Ottawa (New Edinburgh) ON	45°26′N75°41′W / 45.44°N 75.69°W / 45.44; -75.69 (Stable / Garage Recognized Federal Heritage Building)	Federal (2734)		Upload Photo
Stornoway	541 Acacia Drive Ottawa (Rockcliffe Park) ON	45°27′10″N75°40′44″W / 45.4528°N 75.6788°W / 45.4528; -75.6788 (Stornoway)	Federal (4651)		More images
Supreme Court of Canada Building	301 Wellington Street Ottawa (Downtown) ON	45°25′19″N75°42′20″W / 45.422°N 75.7056°W / 45.422; -75.7056 (Supreme Court of Canada Building)	Federal (3564)		More images
Swine Showcase Building No. 91	Central Experimental Farm National Historic Site Ottawa (River Ward) ON	45°23′16″N75°42′36″W / 45.3878°N 75.7099°W / 45.3878; -75.7099 (Swine Showcase Building No. 91)	Federal (9601)
The Albion Hotel	1 Daly Ave. Ottawa (Sandy Hill) ON	45°25′32″N75°41′22″W / 45.4255°N 75.6894°W / 45.4255; -75.6894 (The Albion Hotel)	Ottawa (Sandy Hill) municipality (17482)
The Canada Goose Shop	5538 Manotick Main Street Ottawa (Manotick) ON	45°13′31″N75°41′04″W / 45.2252°N 75.6845°W / 45.2252; -75.6845 (The Canada Goose Shop)	Ottawa (Manotick) municipality (10297)		Upload Photo
The City Registry Office	70 Nicholas Street Ottawa (Sandy Hill) ON	45°25′30″N75°41′21″W / 45.425°N 75.6891°W / 45.425; -75.6891 (The City Registry Office)	Ottawa (Sandy Hill) municipality (8463)		More images
The Eastman House	6727 Lord Nelson Street Ottawa (Kars) ON	45°09′00″N75°38′47″W / 45.1501°N 75.6463°W / 45.1501; -75.6463 (The Eastman House)	Ottawa (Kars) municipality (15224)		Upload Photo
The Grey Nuns Mother House	9 Bruyere Street Ottawa (Lowertown) ON	45°25′53″N75°41′52″W / 45.4313°N 75.6979°W / 45.4313; -75.6979 (The Grey Nuns Mother House)	Ottawa (Lowertown) municipality (15271)
The Horticulture Building	957 Bank Street Ottawa (The Glebe) ON	45°23′59″N75°41′11″W / 45.3998°N 75.6865°W / 45.3998; -75.6865 (The Horticulture Building)	Ottawa (The Glebe) municipality (8445)		More images
The McCulla House	2944 Pierce Road Ottawa (Pierces Corners) ON	45°05′46″N75°44′59″W / 45.0962°N 75.7497°W / 45.0962; -75.7497 (The McCulla House)	Ottawa (Pierces Corners) municipality (14206)		Upload Photo
The McFadden House	5561 Manotick Main Street Ottawa (Manotick) ON	45°13′28″N75°40′58″W / 45.2244°N 75.6829°W / 45.2244; -75.6829 (The McFadden House)	Ottawa (Manotick) municipality (15276)		More images
The Old Presbyterian Manse	1130 O'Grady Street Ottawa (Manotick) ON	45°13′31″N75°40′55″W / 45.2254°N 75.682°W / 45.2254; -75.682 (The Old Presbyterian Manse)	Ottawa (Manotick) municipality (17481)
Powell House	Ridge Road Ottawa (Gloucester) ON	45°23′35″N75°33′24″W / 45.3931°N 75.5568°W / 45.3931; -75.5568 (Powell House)	Federal (4152)		Upload Photo
The Powell House	85 Glebe Ave. Ottawa (The Glebe) ON	45°24′21″N75°41′16″W / 45.4059°N 75.6879°W / 45.4059; -75.6879 (The Powell House)	Ottawa (The Glebe) municipality (15267)		More images
The Pritchard House	5559 Manotick Main Street Ottawa (Manotick) ON	45°13′28″N75°40′59″W / 45.2245°N 75.683°W / 45.2245; -75.683 (The Pritchard House)	Ottawa (Manotick) municipality (15273)		More images
The Thomas Craig House	6607 Fourth Line Road Ottawa (North Gower) ON	45°07′53″N75°42′58″W / 45.1314°N 75.716°W / 45.1314; -75.716 (The Thomas Craig House)	Ottawa (North Gower) municipality (14207)		Upload Photo
The Williams House	1126 John Street Ottawa (Manotick) ON	45°13′31″N75°40′55″W / 45.2253°N 75.682°W / 45.2253; -75.682 (The Williams House)	Ottawa (Manotick) municipality (14204)		More images
Toller House	229 Chapel Street Ottawa (Sandy Hill) ON	45°25′45″N75°40′47″W / 45.4293°N 75.6796°W / 45.4293; -75.6796 (Toller House)	Ottawa (Sandy Hill) municipality (17581)		More images
Union Bank Building	128 Wellington Street Ottawa ON	45°25′22″N75°41′58″W / 45.4228°N 75.6995°W / 45.4228; -75.6995 (Union Bank Building)	Federal (4267)		Upload Photo
Union Mission	47-49 Daly Ave. Ottawa (Sandy Hill) ON	45°25′35″N75°41′15″W / 45.4263°N 75.6876°W / 45.4263; -75.6876 (Union Mission)	Ottawa (Sandy Hill) municipality (18641)		More images
Valade Residence	142-44 St. Patrick Street Ottawa (Byward Market) ON	45°25′46″N75°41′45″W / 45.4295°N 75.6958°W / 45.4295; -75.6958 (Valade Residence)	Federal (4729)		More images
VIA Rail Station	200 Tremblay Road Ottawa (Eastway Gardens) ON	45°24′58″N75°39′07″W / 45.416°N 75.652°W / 45.416; -75.652 (VIA Rail Station)	Federal (15815)		More images
Victoria Building	140 Wellington Street Ottawa (Downtown) ON	45°25′22″N75°41′58″W / 45.4227°N 75.6995°W / 45.4227; -75.6995 (Victoria Building)	Federal (4687)		More images
Wellington Building	180 Wellington St. / Sparks Ottawa (Downtown) ON	45°25′18″N75°42′03″W / 45.4218°N 75.7009°W / 45.4218; -75.7009 (Wellington Building)	Federal (3458)		More images
West Memorial Building	344 Wellington Street Ottawa (Downtown) ON	45°25′10″N75°42′24″W / 45.4195°N 75.7066°W / 45.4195; -75.7066 (West Memorial Building)	Federal (4374)
Wilbrod Street Heritage Conservation District	a few blocks within Sandy Hill East, west of the Rideau River and south of Lowertown in Ottawa Ottawa (Sandy Hill) ON	45°25′46″N75°40′31″W / 45.4294°N 75.6753°W / 45.4294; -75.6753 (Wilbrod Street Heritage Conservation District)	Ottawa (Sandy Hill) municipality (8464)		More images
William Saunders Building	Building 49, Central Experimental Farm Ottawa (River Ward) ON	45°23′28″N75°42′39″W / 45.391°N 75.7108°W / 45.391; -75.7108 (William Saunders Building)	Federal (4676)		More images
Willson Carbide Mill	1 Victoria Island Ottawa (Victoria Island) ON	45°25′18″N75°42′44″W / 45.4216°N 75.7122°W / 45.4216; -75.7122 (Willson Carbide Mill)	Federal (4634)		More images
Burritt House	4390 Donnelly Drive Ottawa (Burritts Rapids) ON	44°59′03″N75°47′44″W / 44.9841°N 75.7956°W / 44.9841; -75.7956 (Burritt House)	Ottawa (Burritts Rapids) municipality (10278)		Upload Photo
The (James) Lindsay House	6836 Rideau Valley Drive South Ottawa (Kars) ON	45°08′45″N75°38′47″W / 45.1459°N 75.6465°W / 45.1459; -75.6465 (The (James) Lindsay House)	Ottawa (Kars) municipality (13342)		Upload Photo
Rockcliffe Park Heritage Conservation District	east of Ottawa centre within an elbow of the Ottawa River Ottawa (Rockliffe Park) ON	45°27′N75°41′W / 45.45°N 75.68°W / 45.45; -75.68 (Rockcliffe Park Heritage Conservation District)	Ottawa (Rockliffe Park) municipality (8460)
5 Blackburn Avenue	5 Blackburn Avenue Ottawa (Sandy Hill) ON	45°25′40″N75°40′38″W / 45.4277°N 75.6771°W / 45.4277; -75.6771 (5 Blackburn Avenue)	Ontario (17801), Ottawa (Sandy Hill) municipality (19829)		More images