518 avenue Outremont vs 678 avenue Outremont
Data as of October 29, 2026 · updated every week
518 avenue Outremont is the older building (1908); 678 avenue Outremont was built in 1925. 518 avenue Outremont is assessed at $1,271,400, 31% more than 678 avenue Outremont ($968,700). 518 avenue Outremont has 2 building permits on record, 678 avenue Outremont has 3. Neither is in a flood zone.
| 518 avenue Outremont | 678 avenue Outremont | |
|---|---|---|
| Type | Condo building, 1 unit | Condo building, 1 unit |
| City and borough | Montréal · Outremont | Montréal · Outremont |
| Built | 1908 | 1925 |
| Assessed (roll) | $1,271,400 | $968,700 |
| Since the previous roll | — | — |
| Welcome tax on that value | ≈ $21,611 | ≈ $14,723 |
| Lot | — | — |
| Floor area | 149 m² | 154 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 | 2 · Sep 2020 | 3 · Jun 2026 |
| Findings | 1 Serious 1 Check 4 Note | 1 Check 3 Note |
| Nearest metro | Outremont, 560 m | Outremont, 310 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 518 avenue Outremont Full report: 678 avenue Outremont