41 avenue Thornhill vs 55 avenue Thornhill
Data as of October 29, 2026 · updated every week
41 avenue Thornhill is the older building (1873); 55 avenue Thornhill was built in 1927. 41 avenue Thornhill is assessed at $2,654,600, 37% more than 55 avenue Thornhill ($1,941,200). Neither has a building permit on record. Neither is in a flood zone.
| 41 avenue Thornhill | 55 avenue Thornhill | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Westmount | Westmount |
| Built | ≈ 1873 | 1927 |
| Assessed (roll) | $2,654,600 | $1,941,200 |
| Since the previous roll | +8 % | +8 % |
| Welcome tax on that value | ≈ $37,930 | ≈ $27,229 |
| Lot | 369 m² | 291 m² |
| Floor area | 258 m² | 210 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 | 2 Note |
| Nearest metro | Atwater, 1.1 km | Atwater, 1.2 km |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 41 avenue Thornhill Full report: 55 avenue Thornhill