645 rue Guy vs 4-721 rue Guy
Data as of October 29, 2026 · updated every week
645 rue Guy is the older building (1988); 4-721 rue Guy was built in 2002. 645 rue Guy is assessed at $539,900 and 4-721 rue Guy at $520,100; one is a whole condo building, so the values do not compare directly. 645 rue Guy has 2 building permits on record, 4-721 rue Guy has 4. Neither is in a flood zone.
| 645 rue Guy | 4-721 rue Guy | |
|---|---|---|
| Type | Condo building, 7 units | Condo unit |
| City and borough | Montréal · Ville-Marie | Montréal · Ville-Marie |
| Built | 1988 | 2002 |
| Assessed (roll) | $539,900 | $520,100 |
| Since the previous roll | — | +12 % |
| Welcome tax on that value | ≈ $6,209 | ≈ $5,912 |
| Lot | — | — |
| Floor area | 743 m² | 86 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 | 2 · May 2022 | 4 · Aug 2025 |
| Findings | 1 Check 6 Note | 1 Check 5 Note |
| Nearest metro | Lucien-L'Allier, 400 m | Lucien-L'Allier, 310 m |
The full report for each address explains every finding and shows the full permit and value history.