This list of the oldest buildings and structures lists the oldest buildings still standing in Montreal, Quebec, Canada along with their year of completion.
| Building | Year completed | Builder | Location | Image |
|---|---|---|---|---|
| LeBer-LeMoyne House | 1671 [1] | Jacques Le Ber and Charles Le Moyne | Lachine 45°25′48″N73°39′59″W / 45.43000°N 73.66639°W | |
| Saint-Sulpice Seminary | 1687 [2] | François Dollier de Casson | Old Montreal 45°30′14″N73°33′25″W / 45.50389°N 73.55694°W | |
| Sulpician Towers / Fort de la Montagne | 1694 [3] | François Vachon de Belmont | Golden Square Mile 45°29′37.68″N73°35′4.56″W / 45.4938000°N 73.5846000°W | |
| Saint-Gabriel House | 1698 [4] | Victor Depocas | Pointe-Saint-Charles 45°28′33.37″N73°33′21.58″W / 45.4759361°N 73.5559944°W | |
| Maison Descaris [5] | 1700 | | ||
| Château Ramezay | 1705 [6] | Claude de Ramezay | rue Notre-Dame Est 45°30′31″N73°33′12″W / 45.50861°N 73.55333°W | |
| Pointe-Claire Windmill [7] | 1709 | | ||
| Pointe-aux-Trembles Windmill [8] | 1719 | | ||
| Hurtubise House | 1739 | | ||
| Church of La Visitation-de-la-Bienheureuse-Vierge-Marie | 1752 | | ||
| Auberge Le Saint-Gabriel | 1754 | |||
| Grey Nuns' Hospital | 1765 | | ||
| Notre-Dame-de-Bon-Secours Chapel | 1771 | |