| Building, Address | Designer(s) | Year |
| Stockmann department store Kirkkokatu 14 | Laatio Architects / Pekka Laatio, Jari Saarnio, Kari Nykänen, Mika Nieminen | 2001 |
| Nordea bank and office building Kirkkokatu 6 | Aarne Ervi 1962 renovation by Laatio Architects / Pekka Laatio, Jari Saarnio, Kari Nykänen, Jari Kuorelahti 2003- | 1962 |
| Vakuutustorni and Kassatalo (Rio) cinema, office and residential building Hallituskatu 9-11 | Eino Pitkänen | 1957 |
| Asunto Oy Oulun Valkea Linna residential and office building Hallituskatu 13-17 | Eino Pitkänen 1941, restoration and extension by Laatio Architects 2000 / Marja Laatio, Virve Wright, Mika Nieminen 2000 | 1941 |
| SOK offices and stores Kansankatu 47 | Erkki Huttunen | 1940 |
| Health centre, former central primary school Saaristonkatu 22 | Kaarlo Borg Renovation by City Building Office / Seppo Kanniainen 1982 | 1933 |
Traditional telephone boxes | 1926- |
| Office Building, former Oulu Savings Bank Kirkkokatu 10 | Wivi Lönn | 1911 |
| Tuomi, residential building Kajaaninkatu 21 | K.K. Myllylä | 1906 |
| Oulu Town Hall, former House of Society Kirkkokatu 2a | Johan Erik Stenberg 1887, extension by Oiva Kallio 1920, renovation by the City Building Office / Seppo Kanniainen 1978-82 | 1887 |
| Railway station, Oulu Rautatienkatu 11 | Knut Nylander renovation by Vesa Ervasti 1988 | 1884 -86 |
| Youth and cultural centre, former town hall Torikatu 8 | John Ludvig Lybeck 1884 extension by Karl Gustaf Grahn, Ernst Gustaf Hedman and Knut Wasastjerna 1894 renovation and extension by Laatio Architects / Marja Laatio, Pekka Laatio, Veikko Kotila, Jari Saarnio, Marita Välikangas 1991-92 Arkkitehti 7-8/1992 | 1884 |
| Aleksanterin koulu, former school building | O. Rehnberg 1882 extension by A. Grönholm 1890 renovation by Juha-Paavo Mikkonen / Archeus 2002 | 1882 |
| Linnansaari observatory Linnansaari | Wolmar Westling 1873 Renovation by Jorma Teppo 1986 | 1873 |
| Kajaanintulli school Kajaaninkatu 30 | Carl Ludvig Engel | 1831 |
| Nylander-Santaholma-Kaarlenholvi House Aleksanterinkatu 19 | 1830s |
| Waenerberg building Torikatu 28 | restoration by Harald Andersin 1917 renovation and extension by Ulla and Lasse Vahtera, Jukka Laurila 1997 Arkkitehti 5/1998 | 1829 |
| Toppelius building Torikatu 16 | 1826, extension 1840's renovations by Oiva Kallio 1918 and Risto Harju architects 1998 | 1826 |
| Dean's residence, old vicarage "Vanha pappila" Asemakatu 6, Isokatu 17 | Carl Ludvig Engel 1820's, extension by Johan Oldenburg 1851 present form by J.W. Lillqvist | 1820s |