| 1. |  | CN Tower | 553,3 |
1,815 |
1976 | 875 | 142 |
| 2. |  | First Canadian Place | 290,0 |
951 |
1975 | 91 | 38 |
| 3. |  | Scotia Plaza | 275,0 |
902 |
1989 | 90 | 17 |
| 4. |  | Canada Trust Tower | 263,0 |
863 |
1991 | 102 | 20 |
| 5. |  | Commerce Court West | 239,0 |
784 |
1973 | 48 | 22 |
| 6. |  | Toronto Dominion Bank Tower | 223,0 |
732 |
1967 | 62 | 28 |
| 7. |  | Bay Wellington Tower | 214,0 |
702 |
1990 | 44 | 20 |
| 8. |  | Royal Trust Tower | 185,0 |
607 |
1969 | 46 | 33 |
| 9. |  | 1 King West | 176,0 |
577 |
2005 | 92 | 14 |
| 10. |  | Royal Bank Plaza | 172,0 |
564 |
1975 | 39 | 27 |
| 11. |  | Manulife Centre | 166,0 |
545 |
1972 | 23 | 25 |
| 12. |  | 79 Wellington Street West | 158,0 |
518 |
1984 | 26 | 21 |
| 13. |  | The 250 | 151,0 |
495 |
1992 | 39 | 9 |
| 14. |  | Two Bloor West | 149,0 |
489 |
1973 | 26 | 21 |
| 15. |  | Simcoe place | 148,0 |
486 |
1995 | 46 | 11 |
| 16. |  | Sheraton Centre | 135,0 |
443 |
1972 | 21 | 21 |
| 17. |  | Royal York Hotel | 124,0 |
407 |
1929 | 67 | 14 |
| 18. |  | Old City Hall | 103,4 |
339 |
1899 | 66 | 15 |
| 19. |  | Toronto City Hall | 99,0 |
325 |
1965 | 229 | 29 |
| 20. |  | Flatiron | |
|
1892 | 72 | 16 |