List of historic places in Ottawa
# List of historic places in Ottawa

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.

See also List of historic places in Ontario.

## List of historic places

| Name | Address | Coordinates | IDF | IDP | IDM | | Image |
| - | - | - | - | - | - | - | - |
| The Beggs House | 2323 Roger Stevens Drive, Ottawa (North Gower), ON | 45°07′54″N 75°42′57″W﻿ / ﻿45.1317°N 75.7159°W﻿ / 45.1317; -75.7159﻿ (The Beggs House) | | | 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″N 75°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)) | 12897 | | | | |
| Cheney House | 176 Bronson Avenue, Ottawa, ON | 45°24′52″N 75°42′27″W﻿ / ﻿45.4144°N 75.7075°W﻿ / 45.4144; -75.7075﻿ (Cheney House) | | | 18596 | | Upload Photo |
| Commissariat Building | 3 Canal Lane, Rideau Canal National Historic Site of Canada, Ottawa (Downtown Ottawa), ON | 45°25′33″N 75°41′52″W﻿ / ﻿45.4258°N 75.6978°W﻿ / 45.4258; -75.6978﻿ (Commissariat Building) | 11116 | | | | More images |
| Davidson House | 3150 Donnelly Drive, Ottawa, ON | 45°02′23″N 75°42′22″W﻿ / ﻿45.0397°N 75.7062°W﻿ / 45.0397; -75.7062﻿ (Davidson House) | | | 10298 | | Upload Photo |
| The Kelly House | 6576 Main Street (Fourth Line), Ottawa (North Gower), ON | 45°07′58″N 75°43′05″W﻿ / ﻿45.1327°N 75.718°W﻿ / 45.1327; -75.718﻿ (The Kelly House) | | | 15291 | | Upload Photo |
| Martin House | 6732 Rideau Valley Drive South, Ottawa (Kars), ON | 45°08′57″N 75°38′49″W﻿ / ﻿45.1491°N 75.6470°W﻿ / 45.1491; -75.6470﻿ (Martin House) | | | 19796 | | Upload Photo |
| Trinity United Church | 6656 Rideau Valley Drive S, Ottawa (Kars), ON | 45°09′17″N 75°38′56″W﻿ / ﻿45.1546°N 75.6489°W﻿ / 45.1546; -75.6489﻿ (Trinity United Church) | | | 14208 | | Upload Photo |
| Weatherhead House | 6924 Gallagher Road, Ottawa (Pierces Corners), ON | 45°03′31″N 75°45′46″W﻿ / ﻿45.0586°N 75.7627°W﻿ / 45.0586; -75.7627﻿ (Weatherhead House) | | | 16323 | | Upload Photo |
| Bryan House | 6700 Rideau Valley Drive South, Ottawa (Kars), ON | 45°09′08″N 75°38′53″W﻿ / ﻿45.1522°N 75.648°W﻿ / 45.1522; -75.648﻿ (Bryan House) | | | 10142 | | Upload Photo |
| The Weaver's House | 1131 Mill Street, Ottawa (Manotick), ON | 45°13′34″N 75°41′01″W﻿ / ﻿45.2262°N 75.6837°W﻿ / 45.2262; -75.6837﻿ (The Weaver's House) | | | 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″N 75°41′20″W﻿ / ﻿45.441°N 75.689°W﻿ / 45.441; -75.689﻿ (New Edinburgh Heritage Conservation District) | | | 8447 | | |
| "N" Division, Stable Building | 1 Sandridge Rd, Ottawa (Manor Park), ON | 45°27′24″N 75°39′19″W﻿ / ﻿45.4568°N 75.6552°W﻿ / 45.4568; -75.6552﻿ ("N" Division, Stable Building) | 4631 | | | | |
| Aberdeen Pavilion | Capital Ward, Ottawa (The Glebe), ON | 45°24′0″N 75°40′58″W﻿ / ﻿45.40000°N 75.68278°W﻿ / 45.40000; -75.68278﻿ (Aberdeen Pavilion) | 4114 | | | Q4666960 | More images |
| Hay House | 700 Echo Drive, Ottawa (Old Ottawa South), ON | 45°23′51″N 75°40′47″W﻿ / ﻿45.3975309°N 75.679682°W﻿ / 45.3975309; -75.679682﻿ (Hay House) | | | 14211 | | More images |
| Victoria Memorial Museum Building (Canadian Museum of Nature) | Victoria Memorial Museum Building, Ottawa (Centretown), ON | 45°24′46″N 75°41′20″W﻿ / ﻿45.41278°N 75.68889°W﻿ / 45.41278; -75.68889﻿ (Victoria Memorial Museum Building) | 9657 4483 | | | Q1032232 | More images |
| Central Experimental Farm | , Ottawa (River Ward), ON | 45°22′57″N 75°42′49″W﻿ / ﻿45.38250°N 75.71361°W﻿ / 45.38250; -75.71361﻿ (Central Experimental Farm) | 13811 | | | Q4504150 | More images |
| Château Laurier | Rideau-Vanier Ward, Confederation Square, Ottawa (Downtown Ottawa), ON | 45°25′32″N 75°41′42″W﻿ / ﻿45.42556°N 75.69500°W﻿ / 45.42556; -75.69500﻿ (Château Laurier) | 14549 | | | Q2089212 | More images |
| CFS Carp (Diefenbunker) | , Ottawa (Carp), ON | 45°21′6″N 76°2′50″W﻿ / ﻿45.35167°N 76.04722°W﻿ / 45.35167; -76.04722﻿ (CFS Carp) | 4169 | | | Q5010827 | More images |
| Government Conference Centre | 2 Rideau Street, Ottawa (Sandy Hill), ON | 45°25′29″N 75°41′37″W﻿ / ﻿45.4246°N 75.6937°W﻿ / 45.4246; -75.6937﻿ (Government Conference Centre) | 4305 | | | | More images |
| National Research Council of Canada, Building M-12 | 1200 Montreal Road, Ottawa (Rideau-Rockcliffe Ward), ON | 45°26′54″N 75°37′00″W﻿ / ﻿45.4482°N 75.6167°W﻿ / 45.4482; -75.6167﻿ (National Research Council of Canada, Building M-12) | 10160 | | | | Upload Photo |
| Notre-Dame Cathedral Basilica | Rideau-Vanier Ward, Ottawa (Lowertown), ON | 45°25′47″N 75°41′47″W﻿ / ﻿45.42972°N 75.69639°W﻿ / 45.42972; -75.69639﻿ (Notre-Dame Cathedral Basilica) | 12135 | | 8448 | Q1051168 | More images |
| Former Ottawa Teachers' College (Ottawa Normal School) | , Ottawa (Ottawa City Hall), ON | 45°25′12″N 75°41′27″W﻿ / ﻿45.42000°N 75.69083°W﻿ / 45.42000; -75.69083﻿ (Former Ottawa Teachers' College National Historic Site) | 7437 | | | Q7109219 | More images |
| Rideau Canal | Rideau Street, Ottawa / Kingston, Ontario, ON | 45°25′35″N 75°41′53″W﻿ / ﻿45.42639°N 75.69806°W﻿ / 45.42639; -75.69806﻿ (Rideau Canal National Historic Site) | 5727 | | | Q651323 | More images |
| Rideau Hall, Complex as a whole | 1 Sussex Drive, Ottawa (New Edinburgh), ON | 45°26′38″N 75°41′09″W﻿ / ﻿45.4439°N 75.6859°W﻿ / 45.4439; -75.6859﻿ (Rideau Hall, Complex as a whole) | 16881 | | | | More images |
| Rideau Hall Visitor Centre | 11 Rideau Gate, Ottawa (New Edinburgh), ON | 45°26′39″N 75°41′29″W﻿ / ﻿45.4442°N 75.6915°W﻿ / 45.4442; -75.6915﻿ (Rideau Hall Visitor Centre) | 21062 | | | | |
| Saint Brigid's Church | 314 St. Patrick Street, Ottawa (Byward Market), ON | 45°25′53″N 75°41′27″W﻿ / ﻿45.4314°N 75.6907°W﻿ / 45.4314; -75.6907﻿ (Saint Brigid's Church) | | 8906 | 18642 | | More images |
| Church of St. Alban the Martyr | 125 Daly Street, Ottawa (Sandy Hill), ON | 45°25′39″N 75°41′06″W﻿ / ﻿45.4275°N 75.6849°W﻿ / 45.4275; -75.6849﻿ (Church of St. Alban the Martyr) | | 10422 | | | More images |
| Central Heating Plant | Tunney's Pasture, Ottawa (Tunney's Pasture), ON | 45°24′19″N 75°44′15″W﻿ / ﻿45.4052°N 75.7374°W﻿ / 45.4052; -75.7374﻿ (Central Heating Plant) | 12921 | | | | |
| Coach House for Prime Minister's Residence | 10 Sussex Drive, Ottawa, ON | 45°26′41″N 75°41′33″W﻿ / ﻿45.4447°N 75.6926°W﻿ / 45.4447; -75.6926﻿ (Coach House for Prime Minister's Residence) | 19636 | | | | More images |
| Statistics Canada - Main Building (Former Dominion Bureau of Statistics Building) | , Ottawa (Tunney's Pasture), ON | 45°24′21″N 75°44′3″W﻿ / ﻿45.40583°N 75.73417°W﻿ / 45.40583; -75.73417﻿ (Statistics Canada Main Building) | 13122 | | | Q6735940 | More images |
| 304-312 Queen Elizabeth Driveway | 0, 304-312 Queen Elizabeth Driveway, Ottawa (The Glebe), ON | 45°24′24″N 75°40′58″W﻿ / ﻿45.4067°N 75.6828°W﻿ / 45.4067; -75.6828﻿ (304-312 Queen Elizabeth Driveway) | | | 10058 | | More images |
| 41 York Street | 41 York Street, Ottawa (Byward Market), ON | 45°25′41″N 75°41′37″W﻿ / ﻿45.428°N 75.6936°W﻿ / 45.428; -75.6936﻿ (41 York Street) | | | 13413 | | |
| 419-423 Sussex Drive | 419-423 Sussex Drive, Ottawa (Byward Market), ON | 45°25′50″N 75°41′47″W﻿ / ﻿45.4305°N 75.6965°W﻿ / 45.4305; -75.6965﻿ (419-423 Sussex Drive) | 4627 | | | | |
| Administration Building | 588 Booth Street, Ottawa (Glebe Annex), ON | 45°23′59″N 75°42′20″W﻿ / ﻿45.3998°N 75.7056°W﻿ / 45.3998; -75.7056﻿ (Administration Building) | 11137 | | | | |
| Arc Biotech Building (No. 34) | Central Experimental Farm, Ottawa (River Ward), ON | 45°23′30.4″N 75°42′47.1″W﻿ / ﻿45.391778°N 75.713083°W﻿ / 45.391778; -75.713083﻿ (Arc Biotech Building (No. 34)) | 9591 | | | Q24046200 | More images |
| Bank of Montreal | 144 Wellington St., Ottawa (Downtown), ON | 45°25′20″N 75°41′59″W﻿ / ﻿45.4222°N 75.6997°W﻿ / 45.4222; -75.6997﻿ (Bank of Montreal) | 16147 | | | | More images |
| Bank of Nova Scotia | 125 Sparks Street, Ottawa (Downtown), ON | 45°25′21″N 75°41′54″W﻿ / ﻿45.4225°N 75.6984°W﻿ / 45.4225; -75.6984﻿ (Bank of Nova Scotia) | 16481 | | | | More images |
| Bate Building | 109-111 Sparks Street, Ottawa (Downtown), ON | 45°25′22″N 75°41′53″W﻿ / ﻿45.4228°N 75.6981°W﻿ / 45.4228; -75.6981﻿ (Bate Building) | 7392 | | | | More images |
| Beechwood Cemetery | Vanier, Ottawa (Rideau-Rockcliffe Ward), ON | 45°26′49″N 75°39′36″W﻿ / ﻿45.44694°N 75.66000°W﻿ / 45.44694; -75.66000﻿ (Beechwood Cemetery) | 1210 | | | Q4087599 | More images |
| Billings Estate | Billings Bridge, Ottawa (Alta Vista), ON | 45°23′23″N 75°40′20″W﻿ / ﻿45.38972°N 75.67222°W﻿ / 45.38972; -75.67222﻿ (Billings Estate) | 12622 | | | Q4911946 | More images |
| Birks Building | 107 Sparks Street, Ottawa (Downtown), ON | 45°25′22″N 75°41′52″W﻿ / ﻿45.4227°N 75.6979°W﻿ / 45.4227; -75.6979﻿ (Birks Building) | 7391 | | | | Upload Photo |
| Blackburn Building | 85 Sparks Street, Ottawa (Downtown), ON | 45°25′24″N 75°41′50″W﻿ / ﻿45.4233°N 75.6973°W﻿ / 45.4233; -75.6973﻿ (Blackburn Building) | 4042 | | | | More images |
| Boathouse | 501 Rockcliffe Driveway, Ottawa, ON | 45°27′18″N 75°41′15″W﻿ / ﻿45.4550°N 75.6876°W﻿ / 45.4550; -75.6876﻿ (Boathouse) | 19615 | | | | Upload Photo |
| Booth Building | 165 Sparks Street, Ottawa (Downtown), ON | 45°25′20″N 75°41′59″W﻿ / ﻿45.4222°N 75.6997°W﻿ / 45.4222; -75.6997﻿ (Booth Building) | 4058 | | | | Upload Photo |
| Booth Street Complex, Surveys and Mapping Building | 615 Booth Street, Ottawa (Glebe Annex), ON | 45°24′03″N 75°42′18″W﻿ / ﻿45.4007°N 75.705°W﻿ / 45.4007; -75.705﻿ (Booth Street Complex, Surveys and Mapping Building) | 10145 | | | | More images |
| Bronson Company Office | 150 Middle Street, Ottawa (Victoria Island), ON | 45°25′13″N 75°42′51″W﻿ / ﻿45.42014°N 75.71414°W﻿ / 45.42014; -75.71414﻿ (Bronson Company Office) | 4721 | | | | Upload Photo |
| Brooke Claxton Building | Colombine Driveway, Ottawa (Tunney's Pasture), ON | 45°24′32″N 75°44′14″W﻿ / ﻿45.4088°N 75.7373°W﻿ / 45.4088; -75.7373﻿ (Brooke Claxton Building) | 13173 | | | | More images |
| Brouse Building | 181-183 Sparks Street, Ottawa (Downtown), ON | 45°25′18″N 75°42′01″W﻿ / ﻿45.4218°N 75.7003°W﻿ / 45.4218; -75.7003﻿ (Brouse Building) | 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″N 75°47′47″W﻿ / ﻿44.9805°N 75.7964°W﻿ / 44.9805; -75.7964﻿ (Burritts Rapids Lockstation, Bridgehouse) | 4713 | | | | Upload Photo |
| Bus Shelter; Vincent Massey Park | 701 Heron Road, Ottawa, ON | 45°22′42″N 75°41′49″W﻿ / ﻿45.3782°N 75.6970°W﻿ / 45.3782; -75.6970﻿ (Bus Shelter; Vincent Massey Park) | 21076 | | | | Upload Photo |
| Byward Market Heritage Conservation District | St. Patrick Street, George Street, MacKenzie Avenue, Dalhousie Street, Ottawa (Byward Market), ON | 45°25′44″N 75°41′35″W﻿ / ﻿45.4289°N 75.693°W﻿ / 45.4289; -75.693﻿ (Byward Market Heritage Conservation District) | | | 8438 | | More images |
| Canada's Four Corners Building | 93 Sparks Street, Ottawa (Downtown), ON | 45°25′23″N 75°41′51″W﻿ / ﻿45.423°N 75.6976°W﻿ / 45.423; -75.6976﻿ (Canada's Four Corners Building) | 4640 | | | | More images |
| Canadian Imperial Bank of Commerce | 119 Sparks Street, Ottawa (Downtown), ON | 45°25′22″N 75°41′54″W﻿ / ﻿45.4227°N 75.6984°W﻿ / 45.4227; -75.6984﻿ (Canadian Imperial Bank of Commerce) | 4641 | | | | More images |
| Carleton County Court House | 2, Daly Avenue, Ottawa (Sandy Hill), ON | 45°25′30″N 75°41′20″W﻿ / ﻿45.425°N 75.6889°W﻿ / 45.425; -75.6889﻿ (Carleton County Court House) | | | 8442 | | More images |
| Carleton County Gaol | 75, Nicholas Street, Ottawa (Sandy Hill), ON | 45°25′30″N 75°41′20″W﻿ / ﻿45.425°N 75.6889°W﻿ / 45.425; -75.6889﻿ (Carleton County Gaol) | | | 8443 | | More images |
| Carleton Place Town Hall | 175, Bridge Street, Carleton Place, ON | 45°14′00″N 75°45′00″W﻿ / ﻿45.2333°N 75.75°W﻿ / 45.2333; -75.75﻿ (Carleton Place Town Hall) | | | 9810 | | More images |
| Carpenter's Shop | , Ottawa (River Ward), ON | 45°23′2″N 75°42′54″W﻿ / ﻿45.38389°N 75.71500°W﻿ / 45.38389; -75.71500﻿ (Carpenter's Shop) | 9604 | | | Q24046202 | More images |
| CBC Building | 1500 Bronson Avenue, Ottawa (Confederation Heights), ON | 45°22′42″N 75°41′14″W﻿ / ﻿45.3784°N 75.6873°W﻿ / 45.3784; -75.6873﻿ (CBC Building) | 1865 | | | | More images |
| CEF, Horticulture Building, No. 74 | 74 Central Experimental Farm, Ottawa (River Ward), ON | 45°23′27″N 75°42′23″W﻿ / ﻿45.3907°N 75.7065°W﻿ / 45.3907; -75.7065﻿ (CEF, Horticulture Building, No. 74) | 4692 | | | | More images |
| Central Chambers | Confederation Square, Ottawa (Downtown Ottawa), ON | 45°25′24″N 75°41′43″W﻿ / ﻿45.42333°N 75.69528°W﻿ / 45.42333; -75.69528﻿ (Central Chambers) | 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″N 75°41′28″W﻿ / ﻿45.4146°N 75.691°W﻿ / 45.4146; -75.691﻿ (Centretown Heritage Conservation District) | | | 8439 | | More images |
| Cereal Barn | , Ottawa (River Ward), ON | 45°23′17″N 75°42′32″W﻿ / ﻿45.38806°N 75.70889°W﻿ / 45.38806; -75.70889﻿ (Cereal Barn) | 14830 | | | Q24046225 | More images |
| Cereal Crops Building | CEF campus Building 75, Ottawa, ON | 45°23′21″N 75°42′32″W﻿ / ﻿45.3892°N 75.7088°W﻿ / 45.3892; -75.7088﻿ (Cereal Crops Building) | 11056 | | | | More images |
| Service Building | CEF campus Building 56, Ottawa, ON | 45°23′21″N 75°42′34″W﻿ / ﻿45.3891°N 75.7094°W﻿ / 45.3891; -75.7094﻿ (Service Building) | 4658 | | | | |
| K.W. Neatby Building | , Ottawa (River Ward), ON | 45°23′33″N 75°43′0″W﻿ / ﻿45.39250°N 75.71667°W﻿ / 45.39250; -75.71667﻿ (K.W. Neatby Building) | 4673 | | | Q6323030 | More images |
| Chemical Radioactive Ores Building | 555 Booth Street, Ottawa (Glebe Annex), ON | 45°24′08″N 75°42′22″W﻿ / ﻿45.4023°N 75.7061°W﻿ / 45.4023; -75.7061﻿ (Chemical Radioactive Ores Building) | 9828 | | | | Upload Photo |
| Commercial Building | 13-15 Clarence Street, Ottawa, ON | 45°25′42″N 75°41′42″W﻿ / ﻿45.4282°N 75.6950°W﻿ / 45.4282; -75.6950﻿ (Commercial Building (13-15 Clarence Street)) | 4726 | | | | Upload Photo |
| Commercial Building | 461-456 Sussex Drive, Ottawa, ON | 45°25′42″N 75°41′44″W﻿ / ﻿45.4282°N 75.6956°W﻿ / 45.4282; -75.6956﻿ (Commercial Building (461-465 Sussex Drive)) | 11408 | | | | |
| Commercial Building | 457-459 Sussex Drive, Ottawa (Byward Market), ON | 45°25′42″N 75°41′44″W﻿ / ﻿45.4283°N 75.6955°W﻿ / 45.4283; -75.6955﻿ (Commercial Building (457-459 Sussex Drive)) | 4715 | | | | |
| Confederation Building | 229 Wellington Street (Downtown), Ottawa, ON | 45°25′19″N 75°42′10″W﻿ / ﻿45.422°N 75.7028°W﻿ / 45.422; -75.7028﻿ (Confederation Building) | 3586 | | | | More images |
| Confederation Square | Somerset Ward, Ottawa (Downtown), ON | 45°25′26″N 75°41′44″W﻿ / ﻿45.42389°N 75.69556°W﻿ / 45.42389; -75.69556﻿ (Confederation Square) | 12073 | | | Q4365607 | More images |
| Connaught Building | 550 Sussex Drive, Ottawa (Byward Market), ON | 45°25′37″N 75°41′43″W﻿ / ﻿45.427°N 75.6952°W﻿ / 45.427; -75.6952﻿ (Connaught Building) | 4029 4165 | | | | More images |
| Dairy Technology Annex | Building 57, Central Experimental Farm, Ottawa (River Ward), ON | 45°23′02″N 75°42′54″W﻿ / ﻿45.384°N 75.715°W﻿ / 45.384; -75.715﻿ (Dairy Technology Annex) | 4637 | | | | More images |
| Defensible Lockmaster's House | at the top of the Hartwell Locks, Ottawa (River Ward), ON | 45°23′02″N 75°42′00″W﻿ / ﻿45.384°N 75.7°W﻿ / 45.384; -75.7﻿ (Defensible Lockmaster's House) | 11055 | | | | More images |
| Store House | Hartwell Locks, Ottawa (River Ward), ON | 45°23′03″N 75°42′03″W﻿ / ﻿45.3841°N 75.7007°W﻿ / 45.3841; -75.7007﻿ (Store House) | 11054 | | | | Upload Photo |
| Dominion Observatory | Central Experimental Farm, bounded by Carling Avenue and Observatory Drive, Ottawa (River Ward), ON | 45°23′37″N 75°42′51″W﻿ / ﻿45.3936°N 75.7143°W﻿ / 45.3936; -75.7143﻿ (Dominion Observatory) | 4376 | | | | More images |
| Dover Building | 185-187 Sparks Street, Ottawa (Downtown), ON | 45°25′18″N 75°42′01″W﻿ / ﻿45.4218°N 75.7004°W﻿ / 45.4218; -75.7004﻿ (Dover Building) | 4643 | | | | More images |
| Drill Hall | 1 Cartier Square, Ottawa, ON | 45°25′18″N 75°41′21″W﻿ / ﻿45.4217°N 75.6892°W﻿ / 45.4217; -75.6892﻿ (Drill Hall) | 15942 | | | | More images |
| Earnscliffe | , Ottawa (Lower Town), ON | 45°26′15″N 75°41′56″W﻿ / ﻿45.43750°N 75.69889°W﻿ / 45.43750; -75.69889﻿ (Earnscliffe) | 12684 | | | Q5326955 | More images |
| East Memorial Building | 284 Wellington Street, Ottawa (Downtown), ON | 45°25′12″N 75°42′17″W﻿ / ﻿45.42°N 75.7048°W﻿ / 45.42; -75.7048﻿ (East Memorial Building) | 9541 | | | | More images |
| EMR Complex: Fuel Testing Laboratory | 562 Booth Street, Ottawa (Glebe Annex), ON | 45°24′07″N 75°42′23″W﻿ / ﻿45.4019°N 75.7063°W﻿ / 45.4019; -75.7063﻿ (EMR Complex: Fuel Testing Laboratory) | 4666 | | | | More images |
| Energy, Mines and Resources Complex, Ore Dressing Laboratory | 552 Booth Street, Ottawa (Glebe Annex), ON | 45°14′56″N 75°25′21″W﻿ / ﻿45.249°N 75.4225°W﻿ / 45.249; -75.4225﻿ (Energy, Mines and Resources Complex, Ore Dressing Laboratory) | 4667 | | | | More images |
| Engineering Research Building | Central Experimental Farm, Ottawa (River Ward), ON | 45°23′18″N 75°42′40″W﻿ / ﻿45.3883°N 75.711°W﻿ / 45.3883; -75.711﻿ (Engineering Research Building) | 9505 | | | | More images |
| First Avenue Public School | 73 First Avenue, Ottawa (The Glebe), ON | 45°24′22″N 75°41′07″W﻿ / ﻿45.4061°N 75.6852°W﻿ / 45.4061; -75.6852﻿ (First Avenue Public School) | | | 10299 | | More images |
| Forintek Building | 800 Montreal Road, Ottawa (Rideau-Rockcliffe Ward), ON | 45°26′39″N 75°38′02″W﻿ / ﻿45.4441°N 75.634°W﻿ / 45.4441; -75.634﻿ (Forintek Building) | 4659 | | | | Upload Photo |
| Former Archives Building and former War Museum | Former Archives Building, Ottawa (Lower Town), ON | 45°25′50″N 75°41′55″W﻿ / ﻿45.43056°N 75.69861°W﻿ / 45.43056; -75.69861﻿ (Former Archives Building) | 3462 13220 | | | Q5570166 | More images |
| Former Geological Survey of Canada Building | , Ottawa (Byward Market), ON | 45°25′35″N 75°41′38″W﻿ / ﻿45.42639°N 75.69389°W﻿ / 45.42639; -75.69389﻿ (Former Geological Survey of Canada Building) | 4649 1142 | | | Q15218037 | More images |
| Former NCC Building (demolished) | 401 Lebreton Street, Ottawa (Glebe Annex), ON | 45°24′01″N 75°42′09″W﻿ / ﻿45.4002°N 75.7025°W﻿ / 45.4002; -75.7025﻿ (Former NCC Building (demolished)) | 4661 | | | | Upload Photo |
| Former Ottawa City Hall | 111 Sussex Drive, Ottawa (Green Island), ON | 45°26′23″N 75°41′38″W﻿ / ﻿45.4398°N 75.694°W﻿ / 45.4398; -75.694﻿ (Former Ottawa City Hall) | 6629 | | | | More images |
| Former U.S. Embassy | 100 Wellington Street, Ottawa (Downtown), ON | 45°25′24″N 75°41′54″W﻿ / ﻿45.4232°N 75.6984°W﻿ / 45.4232; -75.6984﻿ (Former U.S. Embassy) | 15144 | | | | More images |
| Fraser School House | 62 John Street, Ottawa (New Edinburgh), ON | 45°26′33″N 75°41′36″W﻿ / ﻿45.4425°N 75.6932°W﻿ / 45.4425; -75.6932﻿ (Fraser School House) | 4694 | | | | More images |
| Fry House | 4148 Donnelly Drive, Ottawa (Burritts Rapids), ON | 44°59′27″N 75°46′28″W﻿ / ﻿44.9909°N 75.7745°W﻿ / 44.9909; -75.7745﻿ (Fry House) | | | 15269 | | Upload Photo |
| Geological Survey of Canada Building | 601 Booth Street, Ottawa (Glebe Annex), ON | 45°23′59″N 75°42′20″W﻿ / ﻿45.3998°N 75.7056°W﻿ / 45.3998; -75.7056﻿ (Geological Survey of Canada Building) | 11135 | | | | Upload Photo |
| George Sparks House | 936-940 River Road, Ottawa (Manotick), ON | 45°14′12″N 75°41′09″W﻿ / ﻿45.2368°N 75.6859°W﻿ / 45.2368; -75.6859﻿ (George Sparks House) | 4630 | | | | Upload Photo |
| Gilroy Farm | 7406 Gilroy Road, Ottawa (Burritts Rapids), ON | 44°58′09″N 75°49′43″W﻿ / ﻿44.9693°N 75.8285°W﻿ / 44.9693; -75.8285﻿ (Gilroy Farm) | | | 10300 | | Upload Photo |
| Hangar H 11 / VIP Reception Building | Ottawa International Airport, Ottawa (Gloucester-Southgate Ward), ON | 45°19′N 75°40′W﻿ / ﻿45.32°N 75.66°W﻿ / 45.32; -75.66﻿ (Hangar H 11 / VIP Reception Building) | 2740 | | | | Upload Photo |
| Hangar H 14 | Ottawa International Airport, Ottawa (Gloucester-Southgate Ward), ON | 45°19′N 75°40′W﻿ / ﻿45.32°N 75.66°W﻿ / 45.32; -75.66﻿ (Hangar H 14) | 2751 | | | | Upload Photo |
| Health Care Centre | Valour Drive, Ottawa (Riverview), ON | 45°24′06″N 75°39′33″W﻿ / ﻿45.4016°N 75.6593°W﻿ / 45.4016; -75.6593﻿ (Health Care Centre) | 1889 | | | | Upload Photo |
| Heritage House (Building 54) | Central Experimental Farm National Historic Site, Ottawa (River Ward), ON | 45°23′22″N 75°42′39″W﻿ / ﻿45.38946°N 75.71095°W﻿ / 45.38946; -75.71095﻿ (Heritage House (Building 54)) | 9612 | | | | More images |
| Heritage House, No. 60 | Central Experimental Farm, Ottawa (River Ward), ON | 45°23′25″N 75°42′31″W﻿ / ﻿45.3904°N 75.7085°W﻿ / 45.3904; -75.7085﻿ (Heritage House, No. 60) | 4711 | | | | More images |
| Hollywood Parade | 103 James Street, Ottawa, ON | 45°24′42″N 75°41′55″W﻿ / ﻿45.4118°N 75.6986°W﻿ / 45.4118; -75.6986﻿ (Hollywood Parade) | | 18640 | | | Upload Photo |
| Hope Building | 61-63 Sparks Street, Ottawa (Downtown), ON | 45°25′25″N 75°41′48″W﻿ / ﻿45.4235°N 75.6966°W﻿ / 45.4235; -75.6966﻿ (Hope Building) | 4632 | | | | More images |
| Horticulture Building | Building 55, Central Experimental Farm, Ottawa (River Ward), ON | 45°23′20″N 75°42′40″W﻿ / ﻿45.389°N 75.711°W﻿ / 45.389; -75.711﻿ (Horticulture Building) | 4653 | | | | More images |
| Industrial Minerals and Ceramics | 405 Rochester Street, Ottawa (Glebe Annex), ON | 45°24′09″N 75°42′28″W﻿ / ﻿45.4025°N 75.7077°W﻿ / 45.4025; -75.7077﻿ (Industrial Minerals and Ceramics) | 4671 | | | | More images |
| Jeanne D'Arc Institute | 493 Sussex Drive, Ottawa (Byward Market), ON | 45°25′40″N 75°41′42″W﻿ / ﻿45.4277°N 75.695°W﻿ / 45.4277; -75.695﻿ (Jeanne D'Arc Institute) | 4647 | | | | |
| John R. Booth Residence National Historic Site | 252 Metcalfe Street, Ottawa (Centretown), ON | 45°24′59″N 75°41′32″W﻿ / ﻿45.4164°N 75.6922°W﻿ / 45.4164; -75.6922﻿ (John R. Booth Residence National Historic Site) | 12018 | | | | More images |
| Justice Building | 294 Wellington Street, Ottawa (Downtown), ON | 45°25′17″N 75°42′14″W﻿ / ﻿45.4215°N 75.7038°W﻿ / 45.4215; -75.7038﻿ (Justice Building) | 4688 | | | | More images |
| La Salle Academy | 373 Sussex Drive, Ottawa (Lower Town), ON | 45°15′06″N 75°25′19″W﻿ / ﻿45.2518°N 75.4219°W﻿ / 45.2518; -75.4219﻿ (La Salle Academy) | 3563 | | | | More images |
| Laboratory Services Building No. 22 | Central Experimental Farm, Ottawa (River Ward), ON | 45°23′31″N 75°43′08″W﻿ / ﻿45.3919°N 75.7188°W﻿ / 45.3919; -75.7188﻿ (Laboratory Services Building No. 22) | 4655 | | | | |
| Langevin Block | 62 Wellington Street, Ottawa (Downtown), ON | 45°25′25″N 75°41′51″W﻿ / ﻿45.4237°N 75.6974°W﻿ / 45.4237; -75.6974﻿ (Langevin Block) | 4031 | | | | |
| Langevin Block National Historic Site | 80 Wellington Street, Ottawa (Downtown), ON | 45°25′25″N 75°41′50″W﻿ / ﻿45.4235°N 75.6972°W﻿ / 45.4235; -75.6972﻿ (Langevin Block National Historic Site) | 14127 | | | | More images |
| Larocque-Lafortune College | 445-447 Sussex Drive, Ottawa (Byward Market), ON | 45°25′43″N 75°41′45″W﻿ / ﻿45.4286°N 75.6957°W﻿ / 45.4286; -75.6957﻿ (Larocque-Lafortune College) | 4716 | | | | More images |
| Laurier House | 335 Laurier Avenue East, Ottawa (Sandy Hill), ON | 45°25′39″N 75°40′40″W﻿ / ﻿45.4275°N 75.6779°W﻿ / 45.4275; -75.6779﻿ (Laurier House) | 4038 7634 | | | | More images |
| Lester B. Pearson Building | 125 Sussex Drive, Ottawa, ON | 45°26′14″N 75°41′46″W﻿ / ﻿45.4371°N 75.6962°W﻿ / 45.4371; -75.6962﻿ (Lester B. Pearson Building) | 19637 | | | | More images |
| Lindsay House | 6722 Rideau Valley Drive South, Ottawa (Kars), ON | 45°09′01″N 75°38′51″W﻿ / ﻿45.1503°N 75.6474°W﻿ / 45.1503; -75.6474﻿ (Lindsay House) | | | 10302 | | Upload Photo |
| Lisgar Collegiate Institute | 29 Lisgar Street, Ottawa (Golden Triangle), ON | 45°25′13″N 75°41′20″W﻿ / ﻿45.4204°N 75.689°W﻿ / 45.4204; -75.689﻿ (Lisgar Collegiate Institute) | | | 15277 | | More images |
| Lock Office | upper end of the Ottawa Locks, Ottawa (Downtown), ON | 45°25′30″N 75°41′45″W﻿ / ﻿45.4249°N 75.6958°W﻿ / 45.4249; -75.6958﻿ (Lock Office) | 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″N 75°41′38″W﻿ / ﻿45.433°N 75.694°W﻿ / 45.433; -75.694﻿ (Lowertown West Heritage Conservation District) | | | 8446 | | More images |
| Machine Shop (#4) | Observatory Campus, Central Experimental Farm, Ottawa (River Ward), ON | 45°23′02″N 75°42′54″W﻿ / ﻿45.384°N 75.715°W﻿ / 45.384; -75.715﻿ (Machine Shop (#4)) | 4701 | | | | Upload Photo |
| MacKay Castle | 1 Sussex Drive, Ottawa (New Edinburgh), ON | 45°26′41″N 75°41′29″W﻿ / ﻿45.444611°N 75.691457°W﻿ / 45.444611; -75.691457﻿ (MacKay Castle) | 4302 | | | | More images |
| Main Dairy Barn | Building 88 Central Experimental Farm, Ottawa (River Ward), ON | 45°23′19″N 75°42′37″W﻿ / ﻿45.3886°N 75.7104°W﻿ / 45.3886; -75.7104﻿ (Main Dairy Barn) | 3460 | | | | More images |
| Main Greenhouse Range | Central Experimental Farm, Ottawa (River Ward), ON | 45°23′25″N 75°42′43″W﻿ / ﻿45.3902°N 75.712°W﻿ / 45.3902; -75.712﻿ (Main Greenhouse Range) | 4670 | | | | More images |
| Maintenance Building | Major's Hill Park, Ottawa (Byward Market), ON | 45°25′42″N 75°41′56″W﻿ / ﻿45.4283°N 75.6989°W﻿ / 45.4283; -75.6989﻿ (Maintenance Building) | 9947 | | | | More images |
| Manotick United Church | 5567 Manotick Main Street, Ottawa (Manotick), ON | 45°13′27″N 75°40′57″W﻿ / ﻿45.2242°N 75.6826°W﻿ / 45.2242; -75.6826﻿ (Manotick United Church) | | | 10308 | | More images |
| Mansfield Building | 481 Sussex Drive, Ottawa (Byward Market), ON | 45°25′40″N 75°41′42″W﻿ / ﻿45.4277°N 75.695°W﻿ / 45.4277; -75.695﻿ (Mansfield Building) | 4645 | | | | |
| Maplelawn | 529 Richmond Road, Ottawa (Westboro), ON | 45°23′17″N 75°45′41″W﻿ / ﻿45.3881°N 75.7614°W﻿ / 45.3881; -75.7614﻿ (Maplelawn) | 15836 | | | | More images |
| Maplelawn & Gardens National Historic Site | 529 Richmond Road, Ottawa (Westboro), ON | 45°23′18″N 75°45′42″W﻿ / ﻿45.3883°N 75.7617°W﻿ / 45.3883; -75.7617﻿ (Maplelawn & Gardens National Historic Site) | 16461 | | | | More images |
| Marlborough Township Office | 3048 Pierce Road, Ottawa (Malakoff), ON | 45°05′30″N 75°45′26″W﻿ / ﻿45.0916°N 75.7571°W﻿ / 45.0916; -75.7571﻿ (Marlborough Township Office) | | | 10309 | | Upload Photo |
| Marshall Building | 14 Metcalfe Street, Ottawa (Downtown), ON | 45°25′23″N 75°41′52″W﻿ / ﻿45.4231°N 75.6978°W﻿ / 45.4231; -75.6978﻿ (Marshall Building) | 4718 | | | | Upload Photo |
| May Building | 489 Sussex Drive, Ottawa (Byward Market), ON | 45°25′39″N 75°41′42″W﻿ / ﻿45.4276°N 75.6949°W﻿ / 45.4276; -75.6949﻿ (May Building) | 4648 | | | | |
| Miller's Oven | 1137 Mill Street, Ottawa (Manotick), ON | 45°13′34″N 75°41′02″W﻿ / ﻿45.2262°N 75.684°W﻿ / 45.2262; -75.684﻿ (Miller's Oven) | | | 10310 | | More images |
| Monastère du Précieux Sang | 774 Echo Drive, Ottawa (Old Ottawa South), ON | 45°23′54″N 75°40′44″W﻿ / ﻿45.3982°N 75.679°W﻿ / 45.3982; -75.679﻿ (Monastère du Précieux Sang) | | | 10311 | | Upload Photo |
| Mutchmor Public School | 185 Fifth Avenue, Ottawa (The Glebe), ON | 45°24′03″N 75°41′25″W﻿ / ﻿45.4008°N 75.6904°W﻿ / 45.4008; -75.6904﻿ (Mutchmor Public School) | | | 18490 | | More images |
| National Arts Centre National Historic Site | 53 Elgin Street, Ottawa (Downtown Ottawa), ON | 45°25′25″N 75°41′36″W﻿ / ﻿45.4235°N 75.6934°W﻿ / 45.4235; -75.6934﻿ (National Arts Centre National Historic Site) | 9091 | | | | More images |
| National Press Building | 150 Wellington St. / Sparks Street, Ottawa (Downtown), ON | 45°25′20″N 75°42′01″W﻿ / ﻿45.4223°N 75.7003°W﻿ / 45.4223; -75.7003﻿ (National Press Building) | 4690 | | | | More images |
| National Research Council Canada Laboratories | 100 Sussex Drive, Ottawa (Lowertown), ON | 45°26′19″N 75°41′51″W﻿ / ﻿45.4386°N 75.6976°W﻿ / 45.4386; -75.6976﻿ (National Research Council Canada Laboratories) | 4030 | | | | More images |
| National Research Council of Canada, Building M-20 | 1200 Montreal Road, Ottawa (Rideau-Rockcliffe Ward), ON | 45°26′51″N 75°37′12″W﻿ / ﻿45.4476°N 75.6201°W﻿ / 45.4476; -75.6201﻿ (National Research Council of Canada, Building M-20) | 10794 | | | | Upload Photo |
| North Gower Old Town Hall | 6581 Fourth Line Road, Ottawa (North Gower), ON | 45°07′58″N 75°43′04″W﻿ / ﻿45.1327°N 75.7177°W﻿ / 45.1327; -75.7177﻿ (North Gower Old Town Hall) | | | 10312 | | Upload Photo |
| Nutrition Building | Central Experimental Farm, Ottawa (River Ward), ON | 45°23′25″N 75°42′30″W﻿ / ﻿45.3902°N 75.7082°W﻿ / 45.3902; -75.7082﻿ (Nutrition Building) | 4709 | | | | More images |
| Observatory House | Central Experimental Farm, Ottawa (River Ward), ON | 45°23′38″N 75°42′48″W﻿ / ﻿45.3939°N 75.7132°W﻿ / 45.3939; -75.7132﻿ (Observatory House) | 4704 | | | | |
| Office Building | 35 George Street, Ottawa (Byward Market), ON | 45°25′37″N 75°41′35″W﻿ / ﻿45.427°N 75.6931°W﻿ / 45.427; -75.6931﻿ (Office Building (35 George Street)) | 4717 | | | | Upload Photo |
| Office Building | 17-19 York Street, Ottawa, ON | 45°25′40″N 75°41′39″W﻿ / ﻿45.4277°N 75.6943°W﻿ / 45.4277; -75.6943﻿ (Office Building (17-19 York Street)) | 4719 | | | | Upload Photo |
| Official Guest Residence | 7 Rideau Gate, Ottawa (New Edinburgh), ON | 45°26′39″N 75°41′32″W﻿ / ﻿45.4441°N 75.6921°W﻿ / 45.4441; -75.6921﻿ (Official Guest Residence) | 4650 | | | | More images |
| Ore Dressing Laboratory (550 Booth Street) | 552 Booth Street, Ottawa (Glebe Annex), ON | 45°24′08″N 75°42′23″W﻿ / ﻿45.4021°N 75.7065°W﻿ / 45.4021; -75.7065﻿ (Ore Dressing Laboratory (550 Booth Street)) | 4665 | | | | Upload Photo |
| Ottawa Electric Railway Company Steam Plant | Middle Street, Ottawa (Victoria Island), ON | 45°25′11″N 75°42′58″W﻿ / ﻿45.4196°N 75.716°W﻿ / 45.4196; -75.716﻿ (Ottawa Electric Railway Company Steam Plant) | 4714 | | | | Upload Photo |
| Ottawa Hydro Generating Station No. 2 | Mill Street, Ottawa (Victoria Island), ON | 45°25′09″N 75°42′49″W﻿ / ﻿45.4193°N 75.7137°W﻿ / 45.4193; -75.7137﻿ (Ottawa Hydro Generating Station No. 2) | 4360 | | | | More images |
| Parkdale Fire Station | 424 Parkdale Avenue, Ottawa (Wellington Street West), ON | 45°23′59″N 75°43′44″W﻿ / ﻿45.3998°N 75.7289°W﻿ / 45.3998; -75.7289﻿ (Parkdale Fire Station) | | | 1199 | | More images |
| Parliament Hill | , Ottawa (Downtown), ON | 45°25′29″N 75°41′58″W﻿ / ﻿45.42472°N 75.69944°W﻿ / 45.42472; -75.69944﻿ (Parliament Hill) | 17943 18470 | | | Q1589289 | More images |
| Centre Block | , Ottawa (Downtown), ON | 45°25′30″N 75°41′59″W﻿ / ﻿45.42500°N 75.69972°W﻿ / 45.42500; -75.69972﻿ (Parliament Hill (Centre Block)) | 4675 | | | Q5062237 | More images |
| East Block | , Ottawa (Downtown), ON | 45°25′29″N 75°41′51″W﻿ / ﻿45.42472°N 75.69750°W﻿ / 45.42472; -75.69750﻿ (Parliament Hill (East Block)) | 4680 | | | Q5327883 | More images |
| Library of Parliament | , Ottawa (Downtown), ON | 45°25′32″N 75°42′1″W﻿ / ﻿45.42556°N 75.70028°W﻿ / 45.42556; -75.70028﻿ (Library of Parliament) | 4679 | | | Q1125633 | More images |
| West Block | Parliament Hill, Ottawa (Downtown), ON | 45°25′24″N 75°42′2″W﻿ / ﻿45.42333°N 75.70056°W﻿ / 45.42333; -75.70056﻿ (Parliament Hill (West Block)) | 4681 | | | Q7984482 | More images |
| Patterson Creek Pavilion | Linden Terrace, Ottawa (The Glebe), ON | 45°24′29″N 75°40′57″W﻿ / ﻿45.4081°N 75.6825°W﻿ / 45.4081; -75.6825﻿ (Patterson Creek Pavilion) | 4677 | | | | More images |
| Pavilion A | 1495 Heron Road, Ottawa (Alta Vista), ON | 45°22′52″N 75°39′10″W﻿ / ﻿45.3812°N 75.6527°W﻿ / 45.3812; -75.6527﻿ (Pavilion A) | 13968 | | | | Upload Photo |
| Pavilion B | 1495 Heron Road, Ottawa (Alta Vista), ON | 45°22′53″N 75°39′10″W﻿ / ﻿45.3813°N 75.6527°W﻿ / 45.3813; -75.6527﻿ (Pavilion B) | 13043 | | | | Upload Photo |
| Pavilion C at the Federal Study Centre | 1495 Heron Road, Ottawa (Alta Vista), ON | 45°22′53″N 75°39′10″W﻿ / ﻿45.3814°N 75.6527°W﻿ / 45.3814; -75.6527﻿ (Pavilion C at the Federal Study Centre) | 15841 | | | | Upload Photo |
| Pavilion D at the Federal Study Centre | 1495 Heron Road, Ottawa (Alta Vista), ON | 45°22′53″N 75°39′10″W﻿ / ﻿45.3815°N 75.6527°W﻿ / 45.3815; -75.6527﻿ (Pavilion D at the Federal Study Centre) | 15842 | | | | Upload Photo |
| Pavilion E at the Federal Study Centre | 1495 Heron Road, Ottawa (Alta Vista), ON | 45°22′54″N 75°39′10″W﻿ / ﻿45.3816°N 75.6527°W﻿ / 45.3816; -75.6527﻿ (Pavilion E at the Federal Study Centre) | 15843 | | | | Upload Photo |
| Pavilion F at the Federal Study Centre | 1495 Heron Road, Ottawa (Alta Vista), ON | 45°22′53″N 75°39′09″W﻿ / ﻿45.3814°N 75.6525°W﻿ / 45.3814; -75.6525﻿ (Pavilion F at the Federal Study Centre) | 15844 | | | | Upload Photo |
| Pavilion H at the Federal Study Centre | 1495 Heron Road, Ottawa (Alta Vista), ON | 45°22′53″N 75°39′09″W﻿ / ﻿45.3814°N 75.6526°W﻿ / 45.3814; -75.6526﻿ (Pavilion H at the Federal Study Centre) | 15846 | | | | Upload Photo |
| Pavilion I at the Federal Study Centre | 1495 Heron Road, Ottawa (Alta Vista), ON | 45°22′53″N 75°39′10″W﻿ / ﻿45.3814°N 75.6528°W﻿ / 45.3814; -75.6528﻿ (Pavilion I at the Federal Study Centre) | 15847 | | | | Upload Photo |
| Pavilion J at the Federal Study Centre | 1495 Heron Road, Ottawa (Alta Vista), ON | 45°22′53″N 75°39′10″W﻿ / ﻿45.3814°N 75.6529°W﻿ / 45.3814; -75.6529﻿ (Pavilion J at the Federal Study Centre) | 15854 | | | | Upload Photo |
| Pavilion K at the Federal Study Centre | 1495 Heron Road, Ottawa (Alta Vista), ON | 45°22′53″N 75°39′09″W﻿ / ﻿45.3813°N 75.6525°W﻿ / 45.3813; -75.6525﻿ (Pavilion K at the Federal Study Centre) | 15855 | | | | Upload Photo |
| Pavilion L at the Federal Study Centre | 1495 Heron Road, Ottawa (Alta Vista), ON | 45°22′53″N 75°39′09″W﻿ / ﻿45.3813°N 75.6526°W﻿ / 45.3813; -75.6526﻿ (Pavilion L at the Federal Study Centre) | 15857 | | | | Upload Photo |
| Photo Equatorial Building | Central Experimental Farm, Ottawa (River Ward), ON | 45°23′36″N 75°42′50″W﻿ / ﻿45.3934°N 75.714°W﻿ / 45.3934; -75.714﻿ (Photo Equatorial Building) | 4378 | | | | More images |
| Physical Metallurgy Laboratory, Building A | 568 Booth Street, Ottawa (Glebe Annex), ON | 45°24′05″N 75°42′22″W﻿ / ﻿45.4015°N 75.7061°W﻿ / 45.4015; -75.7061﻿ (Physical Metallurgy Laboratory, Building A) | 4698 | | | | Upload Photo |
| Physical Metallurgy Laboratory, Building B | 568 Booth Street, Ottawa (Glebe Annex), ON | 45°24′05″N 75°42′22″W﻿ / ﻿45.4013°N 75.7062°W﻿ / 45.4013; -75.7062﻿ (Physical Metallurgy Laboratory, Building B) | 4699 | | | | Upload Photo |
| Physical Metallurgy Laboratory, Building C | 568 Booth Street, Ottawa (Glebe Annex), ON | 45°24′06″N 75°42′23″W﻿ / ﻿45.4016°N 75.7065°W﻿ / 45.4016; -75.7065﻿ (Physical Metallurgy Laboratory, Building C) | 4702 | | | | Upload Photo |
| Physical Metallurgy Laboratory, Building D | 568 Booth Street, Ottawa (Glebe Annex), ON | 45°24′04″N 75°42′24″W﻿ / ﻿45.4011°N 75.7067°W﻿ / 45.4011; -75.7067﻿ (Physical Metallurgy Laboratory, Building D) | 4705 | | | | Upload Photo |
| Physical Metallurgy Laboratory, Building E | 568 Booth Street, Ottawa (Glebe Annex), ON | 45°24′05″N 75°42′25″W﻿ / ﻿45.4014°N 75.707°W﻿ / 45.4014; -75.707﻿ (Physical Metallurgy Laboratory, Building E) | 4708 | | | | Upload Photo |
| Postal Station B | 47-59 Sparks Street, Ottawa (Downtown), ON | 45°25′25″N 75°41′47″W﻿ / ﻿45.4236°N 75.6963°W﻿ / 45.4236; -75.6963﻿ (Postal Station B) | 16388 | | | | More images |
| Potting Shed | CEF campus Building 77, Ottawa, ON | 45°23′17″N 75°42′35″W﻿ / ﻿45.3881°N 75.7097°W﻿ / 45.3881; -75.7097﻿ (Potting Shed) | 11345 | | | | Upload Photo |
| Prime Minister's Residence | 24 Sussex Drive, Ottawa (New Edinburgh), ON | 45°26′40″N 75°41′38″W﻿ / ﻿45.4444°N 75.6938°W﻿ / 45.4444; -75.6938﻿ (Prime Minister's Residence) | 4298 | | | | More images |
| Public Archives and National Library Building | 395 Wellington Street, Ottawa (Downtown), ON | 45°25′11″N 75°42′28″W﻿ / ﻿45.4196°N 75.7078°W﻿ / 45.4196; -75.7078﻿ (Public Archives and National Library Building) | 13053 | | | | |
| Public Grounds of the Parliament Buildings National Historic Site | Wellington St, Ottawa (Downtown), ON | 45°25′29″N 75°41′58″W﻿ / ﻿45.4246°N 75.6995°W﻿ / 45.4246; -75.6995﻿ (Public Grounds of the Parliament Buildings National Historic Site) | 17422 | | | | |
| Refreshment Stand | Hogs Back, Ottawa (River Ward), ON | 45°22′18″N 75°41′46″W﻿ / ﻿45.3716°N 75.696°W﻿ / 45.3716; -75.696﻿ (Refreshment Stand) | 4664 | | | | More images |
| Residence | 9 Rideau Gate Street, Ottawa (New Edinburgh), ON | 45°26′37″N 75°41′12″W﻿ / ﻿45.4436°N 75.6867°W﻿ / 45.4436; -75.6867﻿ (Residence) | 9656 | | | | Upload Photo |
| Revere Hotel | 475 Sussex Drive, Ottawa (Byward Market), ON | 45°25′40″N 75°41′43″W﻿ / ﻿45.4279°N 75.6952°W﻿ / 45.4279; -75.6952﻿ (Revere Hotel) | 4644 | | | | More images |
| Rideau Cottage | , Ottawa (New Wdinburgh), ON | 45°26′37.291″N 75°40′57.857″W﻿ / ﻿45.44369194°N 75.68273806°W﻿ / 45.44369194; -75.68273806﻿ (Rideau Cottage) | 4652 | | | Q21209442 | More images |
| Rideau Hall and Landscaped Grounds National Historic Site | 1 Sussex Drive, Ottawa (New Edinburgh), ON | 45°26′41″N 75°41′30″W﻿ / ﻿45.4448°N 75.6918°W﻿ / 45.4448; -75.6918﻿ (Rideau Hall and Landscaped Grounds National Historic Site) | 7692 | | | | |
| Rideau Hall, Cricket Clubhouse | 1 Sussex Drive, Ottawa (New Edinburgh), ON | 45°26′32″N 75°41′13″W﻿ / ﻿45.4422°N 75.6869°W﻿ / 45.4422; -75.6869﻿ (Rideau Hall, Cricket Clubhouse) | 4662 | | | | Upload Photo |
| Rideau Hall, Dairy Building | 1 Sussex Drive, Ottawa (New Edinburgh), ON | 45°26′38″N 75°41′13″W﻿ / ﻿45.444°N 75.687°W﻿ / 45.444; -75.687﻿ (Rideau Hall, Dairy Building) | 4657 | | | | Upload Photo |
| Rideau Hall, Gasometer | 1 Sussex Drive, Ottawa (New Edinburgh), ON | 45°26′39″N 75°41′13″W﻿ / ﻿45.4442°N 75.687°W﻿ / 45.4442; -75.687﻿ (Rideau Hall, Gasometer) | 4656 | | | | |
| Rideau Hall, Gate Lodge | 1 Sussex Drive, Ottawa (New Edinburgh), ON | 45°26′41″N 75°41′30″W﻿ / ﻿45.4446°N 75.6916°W﻿ / 45.4446; -75.6916﻿ (Rideau Hall, Gate Lodge) | 4654 | | | | |
| Rideau Hall, Main Gate | 1 Sussex Drive, Ottawa (New Edinburgh), ON | 45°26′40″N 75°41′30″W﻿ / ﻿45.4445°N 75.6918°W﻿ / 45.4445; -75.6918﻿ (Rideau Hall, Main Gate) | 4304 | | | | More images |
| Rideau Hall, Secondary gates and fences | 1 Sussex Drive, Ottawa (New Edinburgh), ON | 45°26′38″N 75°41′15″W﻿ / ﻿45.444°N 75.6875°W﻿ / 45.444; -75.6875﻿ (Rideau Hall, Secondary gates and fences) | 9815 | | | | |
| Rochon Residence | 138 St. Patrick Street, Ottawa (Byward Market), ON | 45°25′45″N 75°41′47″W﻿ / ﻿45.4293°N 75.6964°W﻿ / 45.4293; -75.6964﻿ (Rochon Residence) | 4720 | | | | More images |
| Rockcliffe Pavilion | Rockcliffe Parkway, Ottawa (Rockcliffe Park), ON | 45°26′38″N 75°41′13″W﻿ / ﻿45.444°N 75.687°W﻿ / 45.444; -75.687﻿ (Rockcliffe Pavilion) | 4674 | | | | Upload Photo |
| Royal Canadian Mint | 320 Sussex Drive, Ottawa (Lowertown), ON | 45°26′04″N 75°41′57″W﻿ / ﻿45.4344°N 75.6992°W﻿ / 45.4344; -75.6992﻿ (Royal Canadian Mint) | 9212 3339 | | | | More images |
| Royal Canadian Mounted Police Headquarters Building | 1200 Vanier Parkway, Ottawa (Overbrook), ON | 45°25′10″N 75°39′33″W﻿ / ﻿45.4195°N 75.6593°W﻿ / 45.4195; -75.6593﻿ (Royal Canadian Mounted Police Headquarters Building) | 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″N 75°41′13″W﻿ / ﻿45.4265°N 75.687°W﻿ / 45.4265; -75.687﻿ (Sandy Hill West Heritage Conservation District) | | | 8462 | | More images |
| Saxe Building | 75 Sparks Street, Ottawa (Downtown), ON | 45°25′25″N 75°41′48″W﻿ / ﻿45.4235°N 75.6967°W﻿ / 45.4235; -75.6967﻿ (Saxe Building) | 4635 | | | | More images |
| Scottish Ontario Chambers | 42-50 Sparks Street, Ottawa (Downtown), ON | 45°25′25″N 75°41′45″W﻿ / ﻿45.4235°N 75.6958°W﻿ / 45.4235; -75.6958﻿ (Scottish Ontario Chambers) | 4623 | | | | More images |
| Seismology Survey Building | Central Experimental Farm National Historic Site, Ottawa (River Ward), ON | 45°23′38″N 75°42′54″W﻿ / ﻿45.394°N 75.7151°W﻿ / 45.394; -75.7151﻿ (Seismology Survey Building) | 4700 | | | | More images |
| Geophysical Laboratory 3 | Building No. 3 at Central Experimental Farm National Historic Site, Ottawa (River Ward), ON | | 4703 | | | | Upload Photo |
| Silver Springs Farm, Barn | 3502 Richmond Road, Ottawa (College Ward), ON | 45°20′02″N 75°48′54″W﻿ / ﻿45.334°N 75.8149°W﻿ / 45.334; -75.8149﻿ (Silver Springs Farm, Barn) | 4325 | | | | More images |
| Silver Springs Farm, House | 3501 Richmond Road, Ottawa (College Ward), ON | 45°20′02″N 75°48′53″W﻿ / ﻿45.3338°N 75.8148°W﻿ / 45.3338; -75.8148﻿ (Silver Springs Farm, House) | 11516 | | | | More images |
| Sir Charles Tupper Building | 2250 Riverside Drive, Ottawa (Billings Bridge), ON | 45°22′31″N 75°41′34″W﻿ / ﻿45.3753°N 75.6929°W﻿ / 45.3753; -75.6929﻿ (Sir Charles Tupper Building) | 7660 | | | | More images |
| Sir John Carling Building | 930 Carling Avenue, Ottawa (River Ward), ON | 45°23′38″N 75°42′40″W﻿ / ﻿45.394°N 75.711°W﻿ / 45.394; -75.711﻿ (Sir John Carling Building) | 4263 | | | | More images |
| Sir Leonard Tilley Building | 719 Heron Road, Ottawa (Confederation Heights), ON | 45°22′N 75°41′W﻿ / ﻿45.37°N 75.69°W﻿ / 45.37; -75.69﻿ (Sir Leonard Tilley Building) | 2898 | | | | |
| Slater Building | 177-179 Sparks Street, Ottawa (Downtown), ON | 45°25′19″N 75°42′01″W﻿ / ﻿45.4219°N 75.7002°W﻿ / 45.4219; -75.7002﻿ (Slater Building) | 4642 | | | | More images |
| Small Dairy Barn | Building 95, Central Experimental Farm, Ottawa (River Ward), ON | 45°23′16″N 75°42′42″W﻿ / ﻿45.3879°N 75.7116°W﻿ / 45.3879; -75.7116﻿ (Small Dairy Barn) | 9946 | | | | More images |
| South Azimuth Building | Central Experimental Farm National Historic Site, Ottawa (River Ward), ON | 45°23′36″N 75°42′53″W﻿ / ﻿45.3932°N 75.7147°W﻿ / 45.3932; -75.7147﻿ (South Azimuth Building) | 4377 | | | | More images |
| Sparrow Building | 489 Sussex Drive, Ottawa (Byward Market), ON | 45°25′41″N 75°41′43″W﻿ / ﻿45.428°N 75.6952°W﻿ / 45.428; -75.6952﻿ (Sparrow Building) | 4646 | | | | Upload Photo |
| St. Louis House | 1579 Washington Street, Ottawa (Kars), ON | 45°09′02″N 75°38′48″W﻿ / ﻿45.1506°N 75.6466°W﻿ / 45.1506; -75.6466﻿ (St. Louis House) | | | 13341 | | Upload Photo |
| Stable / Garage Recognized Federal Heritage Building | 1 Sussex Drive, Ottawa (New Edinburgh), ON | 45°26′N 75°41′W﻿ / ﻿45.44°N 75.69°W﻿ / 45.44; -75.69﻿ (Stable / Garage Recognized Federal Heritage Building) | 2734 | | | | Upload Photo |
| Stornoway | 541 Acacia Drive, Ottawa (Rockcliffe Park), ON | 45°27′10″N 75°40′44″W﻿ / ﻿45.4528°N 75.6788°W﻿ / 45.4528; -75.6788﻿ (Stornoway) | 4651 | | | | More images |
| Supreme Court of Canada Building | 301 Wellington Street, Ottawa (Downtown), ON | 45°25′19″N 75°42′20″W﻿ / ﻿45.422°N 75.7056°W﻿ / 45.422; -75.7056﻿ (Supreme Court of Canada Building) | 3564 | | | | More images |
| Swine Showcase Building No. 91 | Central Experimental Farm National Historic Site, Ottawa (River Ward), ON | 45°23′16″N 75°42′36″W﻿ / ﻿45.3878°N 75.7099°W﻿ / 45.3878; -75.7099﻿ (Swine Showcase Building No. 91) | 9601 | | | | |
| The Albion Hotel | 1 Daly Ave., Ottawa (Sandy Hill), ON | 45°25′32″N 75°41′22″W﻿ / ﻿45.4255°N 75.6894°W﻿ / 45.4255; -75.6894﻿ (The Albion Hotel) | | | 17482 | | |
| The Canada Goose Shop | 5538 Manotick Main Street, Ottawa (Manotick), ON | 45°13′31″N 75°41′04″W﻿ / ﻿45.2252°N 75.6845°W﻿ / 45.2252; -75.6845﻿ (The Canada Goose Shop) | | | 10297 | | Upload Photo |
| The City Registry Office | 70 Nicholas Street, Ottawa (Sandy Hill), ON | 45°25′30″N 75°41′21″W﻿ / ﻿45.425°N 75.6891°W﻿ / 45.425; -75.6891﻿ (The City Registry Office) | | | 8463 | | More images |
| The Eastman House | 6727 Lord Nelson Street, Ottawa (Kars), ON | 45°09′00″N 75°38′47″W﻿ / ﻿45.1501°N 75.6463°W﻿ / 45.1501; -75.6463﻿ (The Eastman House) | | | 15224 | | Upload Photo |
| The Grey Nuns Mother House | 9 Bruyere Street, Ottawa (Lowertown), ON | 45°25′53″N 75°41′52″W﻿ / ﻿45.4313°N 75.6979°W﻿ / 45.4313; -75.6979﻿ (The Grey Nuns Mother House) | | | 15271 | | |
| The Horticulture Building | 957 Bank Street, Ottawa (The Glebe), ON | 45°23′59″N 75°41′11″W﻿ / ﻿45.3998°N 75.6865°W﻿ / 45.3998; -75.6865﻿ (The Horticulture Building) | | | 8445 | | More images |
| The McCulla House | 2944 Pierce Road, Ottawa (Pierces Corners), ON | 45°05′46″N 75°44′59″W﻿ / ﻿45.0962°N 75.7497°W﻿ / 45.0962; -75.7497﻿ (The McCulla House) | | | 14206 | | Upload Photo |
| The McFadden House | 5561 Manotick Main Street, Ottawa (Manotick), ON | 45°13′28″N 75°40′58″W﻿ / ﻿45.2244°N 75.6829°W﻿ / 45.2244; -75.6829﻿ (The McFadden House) | | | 15276 | | More images |
| The Old Presbyterian Manse | 1130 O'Grady Street, Ottawa (Manotick), ON | 45°13′31″N 75°40′55″W﻿ / ﻿45.2254°N 75.682°W﻿ / 45.2254; -75.682﻿ (The Old Presbyterian Manse) | | | 17481 | | |
| Powell House | Ridge Road, Ottawa (Gloucester), ON | 45°23′35″N 75°33′24″W﻿ / ﻿45.3931°N 75.5568°W﻿ / 45.3931; -75.5568﻿ (Powell House) | 4152 | | | | Upload Photo |
| The Powell House | 85 Glebe Ave., Ottawa (The Glebe), ON | 45°24′21″N 75°41′16″W﻿ / ﻿45.4059°N 75.6879°W﻿ / 45.4059; -75.6879﻿ (The Powell House) | | | 15267 | | More images |
| The Pritchard House | 5559 Manotick Main Street, Ottawa (Manotick), ON | 45°13′28″N 75°40′59″W﻿ / ﻿45.2245°N 75.683°W﻿ / 45.2245; -75.683﻿ (The Pritchard House) | | | 15273 | | More images |
| The Thomas Craig House | 6607 Fourth Line Road, Ottawa (North Gower), ON | 45°07′53″N 75°42′58″W﻿ / ﻿45.1314°N 75.716°W﻿ / 45.1314; -75.716﻿ (The Thomas Craig House) | | | 14207 | | Upload Photo |
| The Williams House | 1126 John Street, Ottawa (Manotick), ON | 45°13′31″N 75°40′55″W﻿ / ﻿45.2253°N 75.682°W﻿ / 45.2253; -75.682﻿ (The Williams House) | | | 14204 | | More images |
| Toller House | 229 Chapel Street, Ottawa (Sandy Hill), ON | 45°25′45″N 75°40′47″W﻿ / ﻿45.4293°N 75.6796°W﻿ / 45.4293; -75.6796﻿ (Toller House) | | | 17581 | | More images |
| Union Bank Building | 128 Wellington Street, Ottawa, ON | 45°25′22″N 75°41′58″W﻿ / ﻿45.4228°N 75.6995°W﻿ / 45.4228; -75.6995﻿ (Union Bank Building) | 4267 | | | | Upload Photo |
| Union Mission | 47-49 Daly Ave., Ottawa (Sandy Hill), ON | 45°25′35″N 75°41′15″W﻿ / ﻿45.4263°N 75.6876°W﻿ / 45.4263; -75.6876﻿ (Union Mission) | | | 18641 | | More images |
| Valade Residence | 142-44 St. Patrick Street, Ottawa (Byward Market), ON | 45°25′46″N 75°41′45″W﻿ / ﻿45.4295°N 75.6958°W﻿ / 45.4295; -75.6958﻿ (Valade Residence) | 4729 | | | | More images |
| VIA Rail Station | 200 Tremblay Road, Ottawa (Eastway Gardens), ON | 45°24′58″N 75°39′07″W﻿ / ﻿45.416°N 75.652°W﻿ / 45.416; -75.652﻿ (VIA Rail Station) | 15815 | | | | More images |
| Victoria Building | 140 Wellington Street, Ottawa (Downtown), ON | 45°25′22″N 75°41′58″W﻿ / ﻿45.4227°N 75.6995°W﻿ / 45.4227; -75.6995﻿ (Victoria Building) | 4687 | | | | More images |
| Wellington Building | 180 Wellington St. / Sparks, Ottawa (Downtown), ON | 45°25′18″N 75°42′03″W﻿ / ﻿45.4218°N 75.7009°W﻿ / 45.4218; -75.7009﻿ (Wellington Building) | 3458 | | | | More images |
| West Memorial Building | 344 Wellington Street, Ottawa (Downtown), ON | 45°25′10″N 75°42′24″W﻿ / ﻿45.4195°N 75.7066°W﻿ / 45.4195; -75.7066﻿ (West Memorial Building) | 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″N 75°40′31″W﻿ / ﻿45.4294°N 75.6753°W﻿ / 45.4294; -75.6753﻿ (Wilbrod Street Heritage Conservation District) | | | 8464 | | More images |
| William Saunders Building | Building 49, Central Experimental Farm, Ottawa (River Ward), ON | 45°23′28″N 75°42′39″W﻿ / ﻿45.391°N 75.7108°W﻿ / 45.391; -75.7108﻿ (William Saunders Building) | 4676 | | | | More images |
| Willson Carbide Mill | 1 Victoria Island, Ottawa (Victoria Island), ON | 45°25′18″N 75°42′44″W﻿ / ﻿45.4216°N 75.7122°W﻿ / 45.4216; -75.7122﻿ (Willson Carbide Mill) | 4634 | | | | More images |
| Burritt House | 4390 Donnelly Drive, Ottawa (Burritts Rapids), ON | 44°59′03″N 75°47′44″W﻿ / ﻿44.9841°N 75.7956°W﻿ / 44.9841; -75.7956﻿ (Burritt House) | | | 10278 | | Upload Photo |
| The (James) Lindsay House | 6836 Rideau Valley Drive South, Ottawa (Kars), ON | 45°08′45″N 75°38′47″W﻿ / ﻿45.1459°N 75.6465°W﻿ / 45.1459; -75.6465﻿ (The (James) Lindsay House) | | | 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′N 75°41′W﻿ / ﻿45.45°N 75.68°W﻿ / 45.45; -75.68﻿ (Rockcliffe Park Heritage Conservation District) | | | 8460 | | |
| 5 Blackburn Avenue | 5 Blackburn Avenue, Ottawa (Sandy Hill), ON | 45°25′40″N 75°40′38″W﻿ / ﻿45.4277°N 75.6771°W﻿ / 45.4277; -75.6771﻿ (5 Blackburn Avenue) | | 17801 | 19829 | | More images |
