266 avenue Lansdowne vs 517 avenue Lansdowne
Data as of October 29, 2026 · updated every week
517 avenue Lansdowne is the older building (1890); 266 avenue Lansdowne was built in 1925. 266 avenue Lansdowne is assessed at $5,501,600, 150% more than 517 avenue Lansdowne ($2,202,600). Neither has a building permit on record. Neither is in a flood zone.
| 266 avenue Lansdowne | 517 avenue Lansdowne | |
|---|---|---|
| Type | 16 dwellings | House or building |
| City and borough | Westmount | Westmount |
| Built | 1925 | ≈ 1890 |
| Assessed (roll) | $5,501,600 | $2,202,600 |
| Since the previous roll | +4 % | 0 % |
| Welcome tax on that value | ≈ $80,635 | ≈ $31,150 |
| Lot | 796 m² | 302 m² |
| Floor area | 1,453 m² | 260 m² |
| Notice of deterioration | No | No |
| City’s right of first refusal | No | No |
| Heritage | No | No |
| In a flood zone | No | No |
| Building permits on record | 0 | 0 |
| Findings | 3 Note | 2 Note |
| Nearest metro | Vendôme, 760 m | Vendôme, 970 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 266 avenue Lansdowne Full report: 517 avenue Lansdowne