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.
The Office of the Prime Minister and Privy Council building, formerly known as the Langevin Block, is an office building facing Parliament Hill in Ottawa, Ontario, Canada. As the home of the Privy Council Office and Office of the Prime Minister, it is the working headquarters of the executive branch of the Canadian government.
Panet House is a historic building in Ottawa, Canada. Built by Charles-Eugène Panet, it is located at the corner of Laurier Avenue and King Edward Avenue, near the University of Ottawa. The building currently houses the embassy of Iraq in Canada. From 1998 to 2018, the building served as the embassy of Angola.
Booth House is a prominent heritage building in Ottawa, Ontario, Canada located at 252 Metcalfe Street, just south of Somerset in Downtown Ottawa. The house was built by lumber baron John R. Booth in 1906, and it was designed by John W.H. Watts, who did a number of other Ottawa buildings.
The Aberdeen Pavilion is an exhibition hall in Ottawa, Ontario, Canada. Overlooking the Rideau Canal, it is located in Lansdowne Park, Ottawa's historic fairgrounds. For many years, the building was known as the "Cattle Castle", due to its use for the Central Canada Exhibition's agricultural exhibits and shows. It is the last surviving Canadian example of what was once a common form of Victorian exhibition hall, and was designated a National Historic Site of Canada in 1983.
Horaceville is a historic site located on the Ottawa River in eastern Ontario, Canada. The site remained the property of the heirs of Hamnett Kirkes Pinhey until the 1970s, when the property was sold to the township. Today, The 88-acre (360,000 m2) heritage site is owned and operated by the City of Ottawa and Pinhey's home serves as a museum. The museum is open May 14 through August 31, Wednesdays to Sundays, 11 am to 5 pm. This location is also known as Pinhey's Point Historic Site. The property was designated by the City of Ottawa under Part IV of the Ontario Heritage Act as having cultural heritage value or interest. A bronze plaque erected on the site by the Ontario Heritage Foundation describes the property's history: "Hamnet Kirkes Pinhey 1784 - 1857 - A merchant and ship owner in his native England, Pinhey came to Upper Canada in 1820. For his services as King's messenger during the Napoleonic Wars, he received a 1000 acres land grant on the Ottawa River. Within a decade he had built up an estate which he named Horaceville after his elder son. In addition to a manor house and barns, it included mills, a store and church. Pinhey took a leading part in township and district affairs. He was appointed to the Legislative Council in 1847, served as Warden of the Dalhousie District, and as the first Warden of Carleton County. Horaceville remained in family hands until 1959 when it was purchased by the National Capital Commission."
The Billings Estate National Historic Site is a heritage museum in Ottawa, Ontario, Canada. It is located at 2100 Cabot St. in the former home of one of the region's earliest settlers. The oldest wood-framed house in Ottawa was built in 1827-9 by Massachusetts-born Braddish Billings. It became the home for the following four generations of the Billings family. It is Ottawa's oldest surviving house, though the Bytown Museum building is older. Billings had moved to the area in 1812, and was the first settler in Gloucester Township.
The Ontario Heritage Act, first enacted on March 5, 1975, allows municipalities and the provincial government to designate individual properties and districts in the Canadian Province of Ontario, as being of cultural heritage value or interest.
Earnscliffe is a Victorian manor in Ottawa, Ontario, built in the Gothic Revival style. During the late 19th century, it was home to Canada's first Prime Minister, Sir John A. Macdonald. Since 1930, it has served as the residence of the British High Commissioner to Canada.
The Dominion Public Building is a five-storey Beaux-Arts neoclassical office building built between 1926 and 1935 for the government of Canada at southeast corner of Front and Bay streets in Toronto, Ontario, Canada.
The Central Experimental Farm (CEF), commonly known as the Experimental Farm, is an agricultural facility, working farm, and research centre of the Science and Technology Branch, formerly the Research Branch, of Agriculture and Agri-Food Canada. As the name indicates, this farm is centrally located in and now surrounded by the City of Ottawa, Ontario, Canada. The 4 square kilometres (1.5 sq mi) farm is a National Historic Site of Canada and most buildings are protected and preserved as heritage buildings.
Downtown Guelph is the central business district of Guelph, Ontario, Canada. It is bordered by Wellington St. E. to the south, Woolwich St. to the East, Dublin St. to the west and Norwich St. to the North. Downtown Guelph is known for its distinctive limestone architecture and heritage buildings. Many of Guelph's historically designated properties are in or near the downtown area.
Los Angeles Historic-Cultural Monuments are sites which have been designated by the Los Angeles, California, Cultural Heritage Commission as worthy of preservation based on architectural, historic and cultural criteria.
The former Hartin's Hotel, currently the East India Company Restaurant and Conference Hall, is a historic building in the Bells Corners neighbourhood of Ottawa, Ontario, Canada.