3971-3977 rue Ontario Est vs 4787-4791 rue Ontario Est
Data as of November 1, 2026 · updated every week
Both were built in 1910. 3971-3977 rue Ontario Est is assessed at $1,073,000, 82% more than 4787-4791 rue Ontario Est ($591,100). 3971-3977 rue Ontario Est has 10 building permits on record, 4787-4791 rue Ontario Est has 3. Neither is in a flood zone.
| 3971-3977 rue Ontario Est | 4787-4791 rue Ontario Est | |
|---|---|---|
| Type | 2 dwellings | 4 dwellings |
| City and borough | Montréal · Mercier-Hochelaga-Maisonneuve | Montréal · Mercier-Hochelaga-Maisonneuve |
| Built | 1910 | 1910 |
| Assessed (roll) | $1,073,000 | $591,100 |
| Since the previous roll | +12 % | +4 % |
| Welcome tax on that value | ≈ $16,809 | ≈ $7,171 |
| Lot | 223 m² | 251 m² |
| Floor area | 522 m² | 301 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 | 10 · Dec 2025 | 3 · Nov 2015 |
| Findings | 1 Serious 2 Check 5 Note | 1 Check 5 Note |
| Nearest metro | Joliette, 760 m | Viau, 880 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 3971-3977 rue Ontario Est Full report: 4787-4791 rue Ontario Est