| Building, Address | Designer(s) | Year |
| Kolmiotalo, block of flats Torikatu 4 | Kaarlo Borg, Johan Sigrid Siren, Urho Åberg | 1923 |
| Provincial goverment building Linnankatu 3 | Ludvig Isak Lindqvist, Jac Ahrenberg Extension by Mikko Huhtela 1971 Renovation by Laatio Architects / Pekka Laatio, Veikko Kotila 1995 Arkkitehti 5-6/1995 | 1887 |
| Former Provincial Surveyor's office Linnankatu 1 | Ernst Bernhard, Lohrmann Ground floor Additional floors by Victor Sucksdorff 1909 Renovation by Heikki Taskinen 1985 | 1859 |
| Franzén House Kajaaninkatu 10 | Renovation by Laatio Architects / Pekka Laatio, Veikko Kotila 1986 Arkkitehti 1/1987 | 1825-29 |
| Oulu grammar school Kajaaninkatu 3 | Carl Ludvig Engel Annexes by Hampus Dalström, Florentin Granholm 1874-75, Theodor Granstedt 1907 and Yrjö Sadeniemi 1934 Renovation by Heikki Taskinen 1987 | 1831 |
| Cathedral of Oulu (originally the Church of Sofia Magdalena) Isokatu 6 | Daniel Hagman Restoration by Carl Ludvig Engel 1832 Bell tower by Carl Ludvig Engel 1844 Restoration by Laatio Architects / Pekka Laatio, Veikko Kotila, Jari Saarnio 1997 Arkkitehti 2/2000 | 1770 -1776 |