621 avenue Lansdowne vs 642 avenue Lansdowne
Data as of October 29, 2026 · updated every week
642 avenue Lansdowne is the older building (1914); 621 avenue Lansdowne was built in 1927. 642 avenue Lansdowne is assessed at $1,897,800, 20% more than 621 avenue Lansdowne ($1,577,300). Neither has a building permit on record. Neither is in a flood zone.
| 621 avenue Lansdowne | 642 avenue Lansdowne | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Westmount | Westmount |
| Built | 1927 | 1914 |
| Assessed (roll) | $1,577,300 | $1,897,800 |
| Since the previous roll | 0 % | 0 % |
| Welcome tax on that value | ≈ $21,770 | ≈ $26,578 |
| Lot | 321 m² | 392 m² |
| Floor area | 183 m² | 243 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 | 2 Note | 1 Note |
| Nearest metro | Villa-Maria, 990 m | Villa-Maria, 930 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 621 avenue Lansdowne Full report: 642 avenue Lansdowne