4580 avenue de Mayfair vs 4849-4851 avenue de Mayfair
Data as of November 1, 2026 · updated every week
4580 avenue de Mayfair is the older building (1929); 4849-4851 avenue de Mayfair was built in 1949. 4580 avenue de Mayfair is assessed at $944,800, 35% more than 4849-4851 avenue de Mayfair ($701,000). 4580 avenue de Mayfair has 2 building permits on record, 4849-4851 avenue de Mayfair has 0. Neither is in a flood zone.
| 4580 avenue de Mayfair | 4849-4851 avenue de Mayfair | |
|---|---|---|
| Type | House or building | 3 dwellings |
| City and borough | Montréal · Côte-des-Neiges-Notre-Dame-de-Grâce | Montréal · Côte-des-Neiges-Notre-Dame-de-Grâce |
| Built | 1929 | 1949 |
| Assessed (roll) | $944,800 | $701,000 |
| Since the previous roll | +1 % | +3 % |
| Welcome tax on that value | ≈ $14,245 | ≈ $9,369 |
| Lot | 336 m² | 364 m² |
| Floor area | 150 m² | 164 m² |
| Notice of deterioration | No | No |
| City’s right of first refusal | No | No |
| Heritage | Yes | No |
| In a flood zone | No | No |
| Building permits on record | 2 · Aug 2023 | 0 |
| Findings | 1 Serious 1 Check 3 Note | 1 Serious 3 Note |
| Nearest metro | Villa-Maria, 2.6 km | Villa-Maria, 2.6 km |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 4580 avenue de Mayfair Full report: 4849-4851 avenue de Mayfair