This is a list of properties which have been designated by the City of Ottawa under Part IV of the Ontario Heritage Act as having cultural heritage value or interest. At many properties, a bronze plaque gives a bilingual description of the property's history.
Contents
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| Property | Address | Ward | Construction Date | Architect | Photo |
|---|---|---|---|---|---|
| 108 Acacia Avenue | 108 Acacia Avenue | Rideau-Rockcliffe | 1908 | Francis Sullivan | |
| 1134 O'Grady | 1134 O'Grady Street | Rideau-Jock | 1870–1875 | ||
| 1137 Mill | 1137 Mill Street | Rideau-Jock | c. 1880 | ||
| 154 Britannia | 154 Britannia Road | Bay | c. 1895 | Charles Robinson | |
| 158-160 Guigues | 158-160 Guigues | Rideau-Vanier | 1846 |  | |
| 163-165 Bolton | 163, 165 Bolton Street | Rideau-Vanier | 1879 | ||
| 17 Mariposa | 17 Mariposa Avenue | Rideau-Rockcliffe | c. 1909 | Probably Thomas Coltrin Keefer | |
| 175 Britannia | 175 Britannia Road | Bay | c. 1908 | Edward & Albert Murphy | |
| 176 Bronson | 176 Bronson Avenue | Somerset | Prior to 1874 | ||
| 190 Bronson | 190 Bronson Avenue | Somerset | 1889 | ||
| 224 Cooper | 224 Cooper Street | Somerset | 1884 | ||
| 240 Daly | 240 Daly Avenue | Rideau-Vanier |  | ||
| 243 Augusta | 243 Augusta Street | Rideau-Vanier | 1866 | ||
| 25-29 Crichton | 25, 29 Crichton Street | Rideau-Rockcliffe | c. 1867 | ||
| 261 O'Connor | 261 O'Connor Street | Somerset | |||
| 273 Wilbrod | 273 Wilbrod Street | Rideau-Vanier | 1892–1893 |  | |
| 295 Lorne Greene | 295 Lorne Greene Way | Bay | c. 1913 | ||
| 301 Metcalfe | 301 Metcalfe Street | Somerset | Frederick J. Alexander | ||
| 310 Cooper | 310 Cooper Street | Somerset | 1879–80 | ||
| 315 Daly | 315 Daly Avenue | Rideau-Vanier | before 1861 | ||
| 333 Laurier | 333 Laurier Avenue West | Somerset | 1890–91 | ||
| 339 Pleasant Park | 339 Pleasant Park Road | Alta Vista | 1960s | James W. Strutt | |
| 350-352 Cumberland | 350-352 Cumberland | Rideau-Vanier | c. 1860 |  | |
| 46 Cartier | 46 Cartier Street | Somerset | 1901 | ||
| 478 Albert | 478 Albert Street | Somerset | c. 1874 | Thomas Seaton Scott (likely) | |
| 48 Britannia | 48 Britannia Road | Bay | c. 1863 | ||
| 494 Albert | 494 & 504 Albert Street | Somerset | c. 1864 | ||
| 5 Blackburn | 5 Blackburn Avenue | Rideau-Vanier | 1905 |  | |
| 541 Manor | 541 Manor Avenue | Rideau-Rockcliffe | 1900s | ||
| 5538 Manotick Main | 5538 Manotick Main Street | Rideau-Jock | |||
| 5562 Manotick Main | 5562 Manotick Main Street | Rideau-Jock | |||
| 6 McLeod | 6 McLeod Street | Somerset | 1907–08 | Weeks and Keefer | |
| 7 Delaware | 7 Delaware | Somerset | 1907 | W.E. Noffke |  |
| 89 Murray | 89 Murray Street | Rideau-Vanier | 1876 |  | |
| 97-105 Rideau Street | 97-105 Rideau Street | Rideau-Vanier | 1869, 1871, 1908 |  | |
| Abbotsford House | 950 Bank Street | Capital | c. 1872 | ||
| Aberdeen Pavilion | Capital | 1898 | Moses C. Edey |  | |
| Albion Hotel | 1 Daly Avenue | Rideau-Vanier | 1871 | ||
| Alexander Fleck House | 593 Laurier Avenue West | Somerset | 1902 | ||
| Allan House (Sandy Hill) | 192 Daly Avenue | Rideau-Vanier | 1893–94 | ||
| Allan House (New Edinburgh) | 35 MacKay Street | Rideau-Rockcliffe | Probably 1864–65 | ||
| All Saints' Anglican Church | 317 Chapel Street | Rideau-Vanier | 1899–1900 | A.M. Calderon | |
| Alphonse Rochon House now Jean-Claude Bergeron Art Gallery | 150 St. Patrick Street | Rideau-Vanier | 1898 | ||
| Ambassador Court | 612 Bank Street | Capital | Werner Noffke | ||
| Andrew Wilson House / Hayes House | 4971 Dunning Road | Orléans South-Navan | Prior to 1899 | ||
| Arbour House | 84 Bradford Street | Bay | 1892–93 | ||
| Armstrong House | 35 Armstrong Street | Kitchissippi | c. 1845 | ||
| Ashton General Store | 8981 Flewellyn Road | Rideau-Jock | 1879 | John Summer | |
| Ayers Building | 1128 Mill Street | Rideau-Jock | 1902 |  | |
| Bank of Montreal | 294 Bank Street | Somerset | 1908–1909 | Keefer and Weekes |  |
| Bayne House | 40 Fuller Street | Kitchissippi | 1828 | William Ross | |
| Beattie House | 451 Besserer Street | Rideau-Vanier | 1867 | ||
| Bell Block | 32-36 Elgin Street | Somerset | 1867 | William Hodgson |  |
| Bells Corners Union Cemetery | 3851 Old Richmond Road | College | 1853 | ||
| Besserer House | 149 Daly Avenue | Rideau-Vanier | 1844 | ||
| Birkett House | 306 Metcalfe Street | Somerset | 1896 |  | |
| Billings Estate | 2100 Cabot Street | Alta Vista | 1828 |  | |
| Booth Barn Complex | 930 Carling Avenue | River | 1867–1890 | ||
| Booth House / Laurentian Club | 252 Metcalfe Street | Somerset | 1909 | John H. W. Watts |  |
| Booth Street Complex | 552 Booth Street | Somerset | 1909–1952 | W.E. Noffke | |
| Bower House | 3 Bower Street | Capital | 1866–67 | J. C. Bower | |
| Boyd House | 173 Huntmar Drive | Stittsville | 1887 | ||
| Braclyn House | 3229 Diamondview Road | West Carleton-March | 1858 | ||
| Bradley/Craig Homestead | 590 Hazeldean Road | Kanata South | 1870s | ||
| Bradley House | 4 Bradley Farm Court | Kanata South | 1903 | ||
| Brantwood Place Gates | Main Street (at Beckwith Road) | Capital | 1912 | ||
| Broadview Public School | 590 Broadview Avenue | Kitchissippi | 1927 | Richards and Abra | |
| Brousseau Terrace | 204-210 St. Patrick Street | Rideau-Vanier | 1898 | ||
| Brown Tenements | 153-161 York Street | Rideau-Vanier | c. 1865-1875 | ||
| Building A, Physical Metallurgy Laboratory | 552 Booth Street | Somerset | 1942–1952 | ||
| Building B, Physical Metallurgy Laboratory | 552 Booth Street | Somerset | 1942–1952 | ||
| Building E, Physical Metallurgy Laboratory | 552 Booth Street | Somerset | 1942–1952 | ||
| Building F, Central Heating Plant | 552 Booth Street | Somerset | 1945 | ||
| Building G, Fuel Research Laboratories | 552 Booth Street | Somerset | |||
| Building H, Fuel Research Laboratories | 552 Booth Street | Somerset | |||
| Building M, Ore Dressing and Metallurgical Laboratories | 552 Booth Street | Somerset | 1932 | ||
| Building N1, Fuel Testing Building | 552 Booth Street | Somerset | 1911 | ||
| Building N2, Hydro-metallurgical Laboratory | 552 Booth Street | Somerset | 1929 | ||
| Building N3, Pyre-metallurgical Laboratory | 552 Booth Street | Somerset | 1929 | ||
| Building Q, Ore Dressing Laboratory | 552 Booth Street | Somerset | |||
| Building R, Industrial Minerals and Ceramics Laboratory | 552 Booth Street | Somerset | |||
| Burritt House | 4390 Donnelly Drive | Rideau-Jock | |||
| Butler House | 1445 St. Joseph Boulevard | Orléans West | Early 19th century |  | |
| Butterworth House | Somerset Street West | Somerset | 1894 |  | |
| Byward Market Building | 50 York Street | Rideau-Vanier | 1927 |  | |
| Caiger House | 1126 O'Grady Street | Rideau-Jock | |||
| Cameron House (Clendenan House) | 2226 Old Montreal Road | Orléans East-Cumberland | Prior to 1851 | ||
| Capital Wire Cloth Company | 7 Hinton Avenue | Kitchissippi | 1912 to 1948 | ||
| Carkner Lumber Mill | 9047 Carkner Street | Osgoode | 1874 | ||
| Carleton County Court House | 2 Daly Avenue | Rideau-Vanier | 1870–71 | Robert Surtees | |
| Carleton County Gaol | 75 Nicholas Street | Rideau-Vanier | 1862 | H. H. Horsey |  |
| Carleton County Registry Office | 22 Daly Avenue | Rideau-Vanier | 1871 | ||
| Carp Agricultural Hall | 3790 Carp Road | West Carleton-March | |||
| Cartier Square Drill Hall | Somerset | 1879 | Thomas Seaton Scott |  | |
| Casa Loma | 9 Crescent Road | Rideau-Rockcliffe | 1911 | Allan Keefer, A.J. Hazelgrove | |
| Central Chambers | 38-54 Elgin Street | Somerset | 1890 | John James Browne |  |
| Central Emergency Headquarters | 2389 Carp Road | West Carleton-March | 1959–1961 |  | |
| Central Park | 630 Bank Street | Capital | 1912 | Frederick Todd |  |
| Charles Billings House | 187 Billings Avenue | Alta Vista | Braddish Billings and family | ||
| Chamberlain House | Somerset Street West | Somerset | 1894 |  | |
| Champagne Bath | 321 King Edward Avenue | Rideau-Vanier | 1921–1924 | W.E. Noffke |  |
| Charles Smith House | 72 Steeple Hill Crescent | Rideau-Jock | |||
| Château Laurier | Somerset | 1908–1912 | Bradford Lee Gilbert, Ross and MacFarlane |  | |
| Chelsea Club | 236 Metcalfe Street | Somerset | 1884 |  | |
| Christ Church Cathedral | Sparks Street | Somerset | 1872 |  | |
| City of Ottawa Workshops | 7 Bayview Station Road | Kitchissippi | 1941 | Joseph Holmes Irvine | |
| City Registry Office | 70 Nicholas Street | Rideau-Vanier | 1874 | ||
| City Waterworks Building and Aqueduct | 10 Fleet Street | Somerset | 1873–74 | Thomas Keefer |  |
| Clarke House | 43 Gilmour Street | Somerset | 1898 | ||
| Clearview | 2607 Old Montreal Road | Orléans East-Cumberland | |||
| Clegg-Feller Building | 155-61 Rideau St. | Rideau-Vanier | 1864 |  | |
| Cobble Cottage | 420 Kenwood Avenue | Kitchissippi | |||
| Connaught Building | 555 Mackenzie Avenue | Rideau-Vanier | 1913–1914 | David Ewart |  |
| Connors House | 166 Huron Avenue | Kitchissippi | Francis C. Sullivan | ||
| Courtney House | 245 Laurier Avenue East | Rideau-Vanier | About 1875 | ||
| Crichton Lodge | 1160 Lisgar Road | Rideau-Rockcliffe | 1887 | Thomas Clarke |  |
| Crichton Street School | 200 Chrichton Street | Rideau-Rockcliffe | 1906; 1919 | William B. Garvock | |
| Cumberland Heritage Village Museum | 2940 Old Montreal Road | Orléans East-Cumberland | |||
| Deschâtelets Building | 60 Oblats Avenue | Capital | 1885 | M. Mesnard | |
| Dennis Bergan House | 3697 Jockvale Road | Barrhaven West | 1892 | ||
| Devonshire Community Public School | 100 Breezehill Avenue | Kitchissippi | 1910 | ||
| Diamond Methodist Church | 3303 Diamondview Road | West Carleton-March | 1865 | ||
| Dickinson Square | 1127 Mill Street | Rideau-Jock | 1859–60 (Mill); 1868 (House) |  | |
| Dibb House | 3150 Donnelly Drive | Rideau-Jock | 1871–79 | ||
| Dr. Robert Law House | 190 Laurier Avenue East | Rideau-Vanier | c. 1886 | ||
| Dwyer Hill Roman Catholic Burial Ground | O'Neil Road | Rideau-Jock | |||
| Earnscliffe | Rideau-Rockcliffe | 1855 |  | ||
| Echo-Bank House | 700 Echo Drive | Capital | 1865 | ||
| École Guigues | 159 Murray Street | Rideau-Vanier | 1904–1905 | ||
| École St-Pierre | 353 Friel Street | Rideau-Vanier | 1906 | Felix Maral Hamel | |
| Edward Monaghan House | 5100 Fallowfield Road | Rideau-Jock | 1886 | Edward Monaghan | |
| Église Adventiste Francophone d'Ottawa / Former Adath Jeshurun Synagogue | 375 King Edward Avenue | Rideau-Vanier | 1904 | John W.H. Watts |  |
| Embassy of Armenia | 7 Delaware Avenue | Somerset | 1907 | | |
| Embassy of Turkey | 197 Wurtemberg Street | Rideau-Vanier | 1869 |  | |
| Ewart House | 464 Besserer Street | Rideau-Vanier | 1873–74 | ||
| First Avenue Public School | 73 First Avenue | Capital | 1898 | E. L. Horwood | |
| First Baptist Church | 140 Laurier Avenue West | Somerset | 1877 |  | |
| Flavien Rochon House | 138 St. Patrick Street | Rideau-Vanier | 1832 or mid-1840s | ||
| Flewellyn/Jones House | 5897 Fernbank Road | Stittsville | late 19th century | ||
| Foisy House | 188 St. Andrew Street | Rideau-Vanier | 1860 | ||
| Former école Sacré-Cœur | 19 Melrose Avenue | Kitchissipi | 1912 | Francis Sullivan | |
| Francis Sullivan House | Somerset East | Rideau-Vanier | 1914 | Francis Sullivan |  |
| Fraser Schoolhouse | 62-64 John Street | Rideau-Rockcliffe | 1837 | ||
| Frechette House | 87 MacKay Street | Rideau-Rockcliffe | c. 1877 | ||
| Fry House | 4148 Donnelly Drive | Rideau-Jock | c. 1867 | ||
| Gamman House | 306 Cyr Avenue | Rideau-Vanier | 1873 | ||
| Garrett House | 51 Chrichton Street | Rideau-Rockcliffe | Prior to 1874 | ||
| Garvock House | 139 Crichton Street | Rideau-Rockcliffe | 1874 | Alexander Garvock | |
| Gilkinson's Barn | 8724 McCaffrey Trail | Rideau-Jock | About 1910 | ||
| Gilroy Farm | 7406 Gilroy Road | Rideau-Jock | By 1861 | ||
| Glebe Collegiate Institute | 212 Glebe Avenue | Capital | 1921–1923 | John Albert Ewart |  |
| Goodwin House | 312 Laurier Avenue East | Rideau-Vanier | 1900 |  | |
| Graham-McGillivray Building | 419-421 Sussex Drive | Rideau-Vanier | c. 1866 | ||
| Grant House | 150 Elgin Street | Somerset | 1875 | Braddish Billings III | |
| Grant Public School (Grant Alternative School) | 2720 Richmond Road | Bay Ward | 1922 | ||
| Grand Central Hotel | 74 George Street | Rideau-Vanier | 1876 | ||
| Green House | 174, 176 King Edward Avenue | Rideau-Vanier | Prior to 1873 | ||
| Grierson Residence | 486 Hazeldean Road | Kanata South | |||
| Harrison House | 6576 Fourth Line Road | Rideau-Jock | |||
| Hart Massey House | 400 Lansdowne Road | Rideau-Rockcliffe | Hart Massey | ||
| Henderson House | 34 Alexander Street | Rideau-Rockcliffe | 1864–65 | ||
| Hintonburg Pumping Station | 5 Onigam Street | Kitchissippi | Before 1900 | ||
| Hobbs House | 7809 Bleeks Road | Rideau-Jock | before 1863 | ||
| Hollywood Parade | 103, 105, 107, 109, 111, 113 James Street | Somerset | 1893 | ||
| Home Sweetland Home | 62 Sweetland Avenue | Rideau-Vanier | |||
| Horticulture Building | 957 Bank Street | Capital | 1914 | Francis C. Sullivan |  |
| Hunt House | 149 Hopewell Avenue | Capital | 1898 | ||
| Hutcheson House | 406 Queen Street | Somerset | 1899 |  | |
| Hydro Sub-Station No. 2 | 247 Glebe Avenue | Capital | John E. Brown & W. C. Beattie | ||
| Hydro Sub-Station No. 3 | 1275 Carling Avenue | Kitchissippi | William C. Beattie | ||
| Hydro Sub-Station No. 4 | 351 King Edward Avenue | Rideau-Vanier | William C. Beattie | ||
| Institut canadien français d'Ottawa | 18-20 York Street | Rideau-Vanier | 1876 | J.P.M. Lecourt | |
| James Long House | 28 Long Gate Court | Barrhaven East | 1900–1903 | James Long | |
| Kemp's Tavern | 5816 Hazeldean Road | Stittsville | 1868 | ||
| Langevin Block | 80 Wellington Street | Somerset | 1884 | Thomas Fuller |  |
| Lansdowne Terrace | 157, 159, 161, 163, 165, 167 MacKay Street | Rideau-Rockcliffe | c. 1876 | ||
| Laurier House | 335 Laurier Avenue East | Rideau-Vanier | 1878 |  | |
| Lincez House | 1130 O'Grady Street | Rideau-Jock | |||
| Lipsett House | 37 Oriole Drive | Beacon Hill-Cyrville | |||
| Lisgar Collegiate, North Building | 29 Lisgar Avenue | Somerset | 1874 |  | |
| Lyon House | 112 Daly Avenue | Rideau-Vanier | c. 1850 | ||
| Macdonald Gardens Park | 99 Cobourg Street | Rideau-Vanier | Frederick Todd | ||
| MacKay United Church | 257 MacKay Street | Rideau-Rockcliffe | 1909 | H. F. Ballantyne |  |
| Magee House / HMCS ByTown Officers' Mess | 78 Lisgar Street | Somerset | Mathew Sheard | ||
| Maguire House | 6607 Fourth Line Road | Rideau-Jock | |||
| Maison Jeanne d'Arc | 362, 364 Kenwood Avenue | Kitchissippi | 1934 | Mère Marie Thomas D'Aquin | |
| Maison Mère des Sœurs Grises de la croix | 9 Bruyère Street | Rideau-Vanier | 1849–50; 1867 | Antoine Robillard | |
| Manotick United Church | 5567 Manotick Main Street | Rideau-Jock | 1903 | ||
| Maplelawn | 529 Richmond Road | Kitchissippi | 1831 |  | |
| March House Restaurant | 806 March Road | Kanata North | 1850s | ||
| Marlborough Township Hall | 3048 Pierce Road | Rideau-Jock | 1855 | Robert Mackey | |
| Martineau's Hotel | 55 Murray Street | Rideau-Vanier | 1871–72 | Eugène Martineau | |
| Mason House | 101 Bayswater Avenue | Kitchissippi | 1891 | Robert Mason | |
| Mayfair Theatre | 1074 Bank Street | Capital | 1932 |  | |
| McAuliffe House | 182, 184 Lisgar Street | Somerset | 1906 | William McAuliffe |  |
| McCloy House | 42 Bolton Street | Rideau-Vanier | c. 1871 | ||
| McFadden House | 5561 Manotick Main Street | Rideau-Jock | |||
| McFarlance Terrace | 199, 201, 205 Daly Avenue | Rideau-Vanier | 1868 | ||
| McManus House | 4435 Donnelly Drive | Rideau-Jock | before 1863 | ||
| Medical Arts Building | 180 Metcalfe Street | Somerset | 1928 | W. E. Noffke | |
| Merivale United Church and Cemetery | 1876 Merivale Road | Knoxdale-Merivale | 1876 | ||
| Monastère du Précieux Sang / Royal College of Physicians and Surgeons | 774 Echo Rive | Capital | 1914–1923 | Alphonse Content |  |
| Mutchmor Public School | 185 Fifth Avenue | Capital | 1895 | E. L. Horwood |  |
| Nagel House | 77 Gloucester Street | Somerset | 1872 | ||
| North Gower Old Town Hall | 6581 Fourth Line Road | Rideau-Jock | 1876 | ||
| Notre-Dame Cathedral Basilica | 375 Sussex Drive | Rideau-Vanier | 1846 | Antoine Robillard and Father John Francis Cannon |  |
| Oakleigh | 1038 Oak Creek Road | West Carleton-March | Late 1850s | Unknown | |
| O'Connor House | 2944 Pierce Road | Rideau-Jock | |||
| O'Connor Street Bridge | O'Connor Street (at Patterson Creek) | Capital | 1907 | Francis Conroy Sullivan |  |
| Old Anglican Christ Church Ashton | 8938 Flewellyn Road | Rideau-Jock | 1845 | ||
| Old Canadian War Museum | Sussex Drive | Rideau-Vanier | 1904-1906 | David Ewart |  |
| Old Forge | 2730 Carling Avenue | River | c. 1830 | ||
| Old St. Mary's Anglican Church and Cemetery | 269 Pinhey's Point Road | West Carleton-March | Between 1825–27 | ||
| Old St. Stephen's Church | 181 Britannia Road | Bay | 1892 | ||
| Old Wilson House | 2800 Old Montreal Road | Orléans East-Cumberland | Prior to 1861 | ||
| Osgoode Township Hall | 8243 Victoria Street | Osgoode | 1891 | James Mather | |
| Ottawa East Town Hall | 61 Main Street | Capital | 1895 |  | |
| Ottawa Electric Railway Sub-Station | 340 Holland Avenue | Kitchissippi | 1924 | D. J. Spence | |
| Ottawa Hydro Electric Company Building | 109 Bank Street | Somerset | 1934? | W. C. Beattie | |
| Ottawa Ladies' College | 268 First Avenue | Capital | 1912–1914 | Allan Keefer |  |
| Ottawa Normal School | 195 Elgin Street | Somerset | 1874 |  | |
| Ottawa Rowing Club Boathouse | 8, 10 Lady Grey Drive | Rideau-Vanier | 1898 | ||
| Ottawa Tennis and Lawn Bowling Club | 176 Cameron Avenue | Capital | |||
| Overbrook Public School | 149 King George Street | Rideau-Rockcliffe | 1916 | Millson and Burgess | |
| Parkdale Fire Station | 424 Parkdale Avenue | Kitchissippi | 1924 | Millson, Burgess, and Hazelgrove | |
| Patterson House | 336 Daly Avenue | Rideau-Vanier | 1869–70 | ||
| Patrick Waters House | 20 Stone House Court | Barrhaven West | 1885 | ||
| Peter Pritchard House | 5559 Manotick Main Street | Rideau-Jock | early 1880s | ||
| Philomene Terrace | 363, 365, 369, 371, 375, 377, 381, 383 Daly Avenue | Rideau-Vanier | 1874–75 | Honore Robillard | |
| Pinard House | 175 King Edward Avenue | Rideau-Vanier | Probably 1866 | ||
| Pinhey Cottage | 5029 Dunrobin Road | West Carleton-March | 1820s |  | |
| Plant Bath | 130 Preston Street | Somerset | 1924 | Millson, Burgess and Hazelgrove |  |
| Plummer House | 229 Chapel Street | Rideau-Vanier | 1875 | Horsey and Sheard | |
| Pooley's Bridge | 9 Fleet Street | Somerset | 1872 | George Hugo Perry |  |
| Pope House | 275 MacLaren Street | Somerset | 1880s | ||
| Powell House | 85 Glebe Avenue | Capital | 1912 | W.E. Noffke |  |
| Powers House | 429 Bay Street | Somerset | c. 1887 | Francis C. Sullivan (reconstruction) | |
| Presbyterian Manse | 108 Falldown Lane | West Carleton-March | 1902 | ||
| Presley House | 6295 Fourth Line Road | Rideau-Jock | c. 1870–77 | ||
| Quinn's Row | 245, 247, 249, 251 Nepean Street | Somerset | c. 1889 | ||
| Rathier House | 193, 195 Cumberland Street | Rideau-Vanier | c. 1862 | ||
| Reilly Blacksmith Shop | 7347 Franktown Road | Rideau-Jock | 1845 | Thomas Reilly | |
| Richardson Farmhouse | 185 Boundstone Way | Kanata North | c. 1871 | ||
| Richelieu Park | 300 Pères-Blancs Avenue | Rideau-Vanier | 1938 | ||
| Rideau Branch Library | 377 Rideau | Rideau-Vanier | 1934 | J.P. MacLaren |  |
| Robertson House | 32 Cameron Avenue | Capital | c. 1887 | ||
| Rocque House | 276 Bruyère Street | Rideau-Vanier | 1865–69 | ||
| Ross House | 188 Stewart Street | Rideau-Vanier | 1869 |  | |
| Rowatt House | 66 Bradford Street | Bay | c. 1878 | ||
| Rutherford House | 4515 9th Line Road | Osgoode | c. 1855 | ||
| Savery Home | 3856 Loggers Way | West Carleton-March | 1833 | Thomas Fraser | |
| School Section No 1 | 400 Goldridge Drive | Kanata North | 1886 | ||
| School Section No. 10, Nepean (Jockvale School) | 3131 Jockvale Road | Barrhaven West | 1906 | ||
| Scott House | 7668 Franktown Road | Rideau-Jock | c. 1850 | ||
| Scottish Ontario Chambers/Trust Block | 42-50 Sparks Street | Somerset | 1883 | William Hodgson |  |
| Shirreff Log Home | 2337 Fitzroy Street | West Carleton-March | 1855 | ||
| Shouldice Hotel | 62-66 York Street | Rideau-Vanier | 1846 | ||
| Simard House | 31 Sweetland Avenue | Rideau-Vanier | 1884 | ||
| Snowdon House | 66 Lisgar Street | Somerset | 1891 | ||
| Stadacona Hall | 395 Laurier Avenue East | Rideau-Vanier | 1871 |  | |
| St. Alban the Martyr Anglican Church | 125 Daly Avenue | Rideau-Vanier | 1867 | King Arnoldi |  |
| Standard Bread Company | 951 Gladstone Avenue | Kitchissippi | 1924 | Sydney Comber | |
| St. Andrew's Presbyterian Church (Kilmaurs) | 1325 Kilmaurs Side Road | West Carleton-March | 1886 | ||
| St. Andrew's Presbyterian Church (Ottawa) | 82 Kent Street | Somerset | 1872 |  | |
| St. Anne's Church | 528 Old St. Patrick Street | Rideau-Vanier | 1873 | J.P. LeCourt |  |
| St. Anne's Rectory | 17 Myrand Avenue | Rideau-Vanier | 1921 | W.E. Noffke | |
| St. Augustine's Church | 100 Huxley Street | West Carleton-March | 1901–1902 | John W. H. Watts | |
| St. Bartholomew's Anglican Church | 125 MacKay Street | Rideau-Rockcliffe | 1868 | Thomas Seaton Scott |  |
| St. Brigid's Church [1] | 314 St. Patrick Street | Rideau-Vanier | 1889–1890 | John R. Bowes |  |
| St. Charles Church | 135 Barrette Street | Rideau-Vanier | Charles Brodeur | ||
| St. Clare's Catholic Church | 4009 Dwyer Hill Road | Rideau-Jock | 1915 | Francis Sullivan | |
| St. James Tennis Club | Capital | 1907 |  | ||
| St. John's Anglican Church | Kanata North | 1839 | Alexander Christie | ||
| St. John's Anglican Church Cemetery | 1890 Merivale Road | Knoxdale-Merivale | 1874 | ||
| St. Louis Hotel | 41 York Street | Rideau-Vanier | 1875 | ||
| St. Patrick's Roman Catholic Church | 240 Kent Street | Somerset | 1869–1873 | King Arnoldi |  |
| St. Paul's Eastern United Church | Corners of Daly and Cumberland Streets | Rideau-Vanier | 1888 |  | |
| Swalwell-Borbridge Building | 54-60 York Street | Rideau-Vanier | 1875 | William Hodgson | |
| The Auberge King Edward | King Edward Avenue | Rideau-Vanier | 1902 | ||
| The Duncannon | 216 Metcalfe Street | Somerset | 1931 | Cecil Burgess |  |
| The Shefford | 300 Cooper Street | Somerset | 1912 | ||
| The Strathcona | 404 Laurier Avenue East | Rideau-Vanier | 1926–27 | ||
| Thomas Brûlé House | 288-290 St. Patrick Street | Rideau-Vanier | c. 1842 | ||
| Thomas Nelson House | 41 Beaver Ridge | Knoxdale-Merivale | c. 1850 | Thomas Nelson | |
| Thomson House | 6727 Lord Nelson Street | Rideau-Jock | J. Adam Eastman | ||
| Toller House | Corner of Chapel and Daly Streets | Rideau-Vanier | 1875 |  | |
| Town Hall, March Township | 821 March Road | Kanata North | 1901 | Humphrey Gow | |
| Union Mission Building | 47 Daly Avenue | Rideau-Vanier | 1861–62 | Wilhelm Rahe | |
| Valade House | 142-144 St. Patrick Street | Rideau-Vanier | pre-1866 | ||
| Varin Row | 106, 108, 110 Daly Avenue | Rideau-Vanier | 1870 | Charles Varin | |
| Venn House | 69 Elm Street | Somerset | 1900–02 | ||
| Victoria Memorial Museum | 240 McLeod Street | Somerset | 1905–1912 | David Ewart |  |
| Wallace Farm House / Tierney House | 5519 Old Richmond Road | Rideau-Jock | 19th Century | ||
| Weatherhead House | 6924 Gallagher Road | Rideau-Jock | c. 1857 | ||
| Weaver's House | 1131 Mill Street | Rideau-Jock | |||
| William Murphy House | 127 Britannia Road | Bay | |||
| Winterholme | 309 Daly Avnue | Rideau-Vanier | 1865 | ||
| Woodburn House | 73, 75 MacKay Street | Rideau-Rockcliffe | c. 1874 |
