3423 avenue Coloniale vs 4623 avenue Coloniale
Data as of November 1, 2026 · updated every week
3423 avenue Coloniale is the older building (1885); 4623 avenue Coloniale was built in 1900. 4623 avenue Coloniale is assessed at $1,492,400, 44% more than 3423 avenue Coloniale ($1,033,500). 3423 avenue Coloniale has 1 building permits on record, 4623 avenue Coloniale has 2. Neither is in a flood zone.
| 3423 avenue Coloniale | 4623 avenue Coloniale | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Montréal · Le Plateau-Mont-Royal | Montréal · Le Plateau-Mont-Royal |
| Built | ≈ 1885 | ≈ 1900 |
| Assessed (roll) | $1,033,500 | $1,492,400 |
| Since the previous roll | +10 % | +9 % |
| Welcome tax on that value | ≈ $16,019 | ≈ $27,136 |
| Lot | 131 m² | 200 m² |
| Floor area | 142 m² | 173 m² |
| Notice of deterioration | No | No |
| City’s right of first refusal | No | No |
| Heritage | Yes | Yes |
| In a flood zone | No | No |
| Building permits on record | 1 · Sep 2015 | 2 · Jul 2018 |
| Findings | 1 Serious 4 Note | 1 Serious 2 Check 4 Note |
| Nearest metro | Saint-Laurent, 490 m | Mont-Royal, 490 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 3423 avenue Coloniale Full report: 4623 avenue Coloniale