577 avenue Lansdowne vs 635 avenue Lansdowne
Data as of October 29, 2026 · updated every week
577 avenue Lansdowne is the older building (1909); 635 avenue Lansdowne was built in 1924. 577 avenue Lansdowne is assessed at $2,340,000, 29% more than 635 avenue Lansdowne ($1,820,900). Neither has a building permit on record. Neither is in a flood zone.
| 577 avenue Lansdowne | 635 avenue Lansdowne | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Westmount | Westmount |
| Built | 1909 | 1924 |
| Assessed (roll) | $2,340,000 | $1,820,900 |
| Since the previous roll | 0 % | 0 % |
| Welcome tax on that value | ≈ $33,211 | ≈ $25,424 |
| Lot | 401 m² | 321 m² |
| Floor area | 278 m² | 184 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 Note | 1 Note |
| Nearest metro | Villa-Maria, 1.1 km | Villa-Maria, 980 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 577 avenue Lansdowne Full report: 635 avenue Lansdowne