21 avenue Duverger vs 31 avenue Duverger
Data as of October 29, 2026 · updated every week
21 avenue Duverger is the older building (1914); 31 avenue Duverger was built in 1923. 31 avenue Duverger is assessed at $908,300, 18% more than 21 avenue Duverger ($769,300). 21 avenue Duverger has 4 building permits on record, 31 avenue Duverger has 0. Neither is in a flood zone.
| 21 avenue Duverger | 31 avenue Duverger | |
|---|---|---|
| Type | Condo building, 1 unit | Condo building, 1 unit |
| City and borough | Montréal · Outremont | Montréal · Outremont |
| Built | 1914 | 1923 |
| Assessed (roll) | $769,300 | $908,300 |
| Since the previous roll | — | — |
| Welcome tax on that value | ≈ $10,735 | ≈ $13,515 |
| Lot | — | — |
| Floor area | 111 m² | 112 m² |
| Notice of deterioration | No | No |
| City’s right of first refusal | No | No |
| Heritage | Yes | No |
| In a flood zone | No | No |
| Building permits on record | 4 · Jul 2024 | 0 |
| Findings | 1 Serious 2 Check 5 Note | 5 Note |
| Nearest metro | Outremont, 100 m | Outremont, 90 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 21 avenue Duverger Full report: 31 avenue Duverger