542 rue Prince-Arthur Ouest vs 621-623 rue Prince-Arthur Ouest
Data as of November 1, 2026 · updated every week
542 rue Prince-Arthur Ouest is the older building (1870); 621-623 rue Prince-Arthur Ouest was built in 1941. 621-623 rue Prince-Arthur Ouest is assessed at $3,556,900, 69% more than 542 rue Prince-Arthur Ouest ($2,108,100). 542 rue Prince-Arthur Ouest has 3 building permits on record, 621-623 rue Prince-Arthur Ouest has 6. Neither is in a flood zone.
| 542 rue Prince-Arthur Ouest | 621-623 rue Prince-Arthur Ouest | |
|---|---|---|
| Type | House or building | 13 dwellings |
| City and borough | Montréal · Le Plateau-Mont-Royal | Montréal · Le Plateau-Mont-Royal |
| Built | ≈ 1870 | 1941 |
| Assessed (roll) | $2,108,100 | $3,556,900 |
| Since the previous roll | +29 % | +4 % |
| Welcome tax on that value | ≈ $42,528 | ≈ $95,172 |
| Lot | 232 m² | 345 m² |
| Floor area | 272 m² | 745 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 | 3 · Nov 2021 | 6 · Oct 2021 |
| Findings | 1 Serious 1 Check 4 Note | 1 Check 5 Note |
| Nearest metro | McGill, 630 m | McGill, 670 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 542 rue Prince-Arthur Ouest Full report: 621-623 rue Prince-Arthur Ouest