427 Rue Mercier vs 840 Rue Mercier
Data as of November 1, 2026 · updated every week
427 Rue Mercier is the older building (1860); 840 Rue Mercier was built in 1900. 427 Rue Mercier is assessed at $511,900, 29% more than 840 Rue Mercier ($395,800). Neither has a building permit on record. Neither is in a flood zone.
| 427 Rue Mercier | 840 Rue Mercier | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Longueuil · Le Vieux-Longueuil | Longueuil · Le Vieux-Longueuil |
| Built | 1860 | 1900 |
| Assessed (roll) | $511,900 | $395,800 |
| Since the previous roll | +33 % | +22 % |
| Welcome tax on that value | ≈ $5,789 | ≈ $4,048 |
| Lot | 775 m² | 335 m² |
| Floor area | 173 m² | 111 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 | 2 Note | 1 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.