339 avenue Lansdowne vs 520 avenue Lansdowne
Data as of October 29, 2026 · updated every week
339 avenue Lansdowne is the older building (1913); 520 avenue Lansdowne was built in 1915. 520 avenue Lansdowne is assessed at $3,045,200, 54% more than 339 avenue Lansdowne ($1,981,500). Neither has a building permit on record. Neither is in a flood zone.
| 339 avenue Lansdowne | 520 avenue Lansdowne | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Westmount | Westmount |
| Built | 1913 | 1915 |
| Assessed (roll) | $1,981,500 | $3,045,200 |
| Since the previous roll | +10 % | 0 % |
| Welcome tax on that value | ≈ $27,833 | ≈ $43,789 |
| Lot | 325 m² | 512 m² |
| Floor area | 184 m² | 384 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 | 1 Check 2 Note | 1 Note |
| Nearest metro | Vendôme, 800 m | Vendôme, 930 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 339 avenue Lansdowne Full report: 520 avenue Lansdowne