3877-3881 Rue Mackay vs 3989-3991 Rue Mackay
Data as of October 25, 2026 · updated every week
3989-3991 Rue Mackay is the older building (1954); 3877-3881 Rue Mackay was built in 2020. 3877-3881 Rue Mackay is assessed at $860,900, 147% more than 3989-3991 Rue Mackay ($349,000). Neither has a building permit on record. Neither is in a flood zone.
| 3877-3881 Rue Mackay | 3989-3991 Rue Mackay | |
|---|---|---|
| Type | House or building | 2 dwellings |
| City and borough | Longueuil · Saint-Hubert | Longueuil · Saint-Hubert |
| Built | 2020 | 1954 |
| Assessed (roll) | $860,900 | $349,000 |
| Since the previous roll | +16 % | +35 % |
| Welcome tax on that value | ≈ $14,486 | ≈ $3,346 |
| Lot | 293 m² | 335 m² |
| Floor area | 169 m² | 118 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 | 1 Note | 1 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 3877-3881 Rue Mackay Full report: 3989-3991 Rue Mackay