6581-6585 1re Avenue vs 6640 1re Avenue
Data as of November 1, 2026 · updated every week
6581-6585 1re Avenue is the older building (1923); 6640 1re Avenue was built in 1924. 6640 1re Avenue is assessed at $1,425,700, 57% more than 6581-6585 1re Avenue ($909,100). 6581-6585 1re Avenue has 2 building permits on record, 6640 1re Avenue has 1. Neither is in a flood zone.
| 6581-6585 1re Avenue | 6640 1re Avenue | |
|---|---|---|
| Type | 3 dwellings | House or building |
| City and borough | Montréal · Rosemont-La Petite-Patrie | Montréal · Rosemont-La Petite-Patrie |
| Built | 1923 | 1924 |
| Assessed (roll) | $909,100 | $1,425,700 |
| Since the previous roll | +4 % | +20 % |
| Welcome tax on that value | ≈ $13,531 | ≈ $25,468 |
| Lot | 244 m² | 244 m² |
| Floor area | 209 m² | 209 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 | 2 · Nov 2023 | 1 · Jan 2006 |
| Findings | 1 Serious 2 Check 3 Note | 1 Check 4 Note |
| Nearest metro | Iberville, 880 m | Iberville, 780 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 6581-6585 1re Avenue Full report: 6640 1re Avenue