45 avenue Thornhill vs 9 avenue Thornhill
Data as of October 29, 2026 · updated every week
45 avenue Thornhill is the older building (1873); 9 avenue Thornhill was built in 1925. 45 avenue Thornhill is assessed at $2,233,900, 5% more than 9 avenue Thornhill ($2,126,800). Neither has a building permit on record. Neither is in a flood zone.
| 45 avenue Thornhill | 9 avenue Thornhill | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Westmount | Westmount |
| Built | ≈ 1873 | 1925 |
| Assessed (roll) | $2,233,900 | $2,126,800 |
| Since the previous roll | +8 % | +8 % |
| Welcome tax on that value | ≈ $31,619 | ≈ $30,013 |
| Lot | 400 m² | 374 m² |
| Floor area | 265 m² | 216 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 | Atwater, 1.1 km | Atwater, 1.0 km |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 45 avenue Thornhill Full report: 9 avenue Thornhill