100 avenue Columbia vs 70 avenue Columbia
Data as of October 29, 2026 · updated every week
100 avenue Columbia is the older building (1897); 70 avenue Columbia was built in 1898. 100 avenue Columbia is assessed at $1,579,700, 9% more than 70 avenue Columbia ($1,453,300). Neither has a building permit on record. Neither is in a flood zone.
| 100 avenue Columbia | 70 avenue Columbia | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Westmount | Westmount |
| Built | ≈ 1897 | ≈ 1898 |
| Assessed (roll) | $1,579,700 | $1,453,300 |
| Since the previous roll | +5 % | +5 % |
| Welcome tax on that value | ≈ $21,806 | ≈ $19,910 |
| Lot | 180 m² | 171 m² |
| Floor area | 201 m² | 199 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 | 1 Note | 1 Note |
| Nearest metro | Lionel-Groulx, 600 m | Lionel-Groulx, 540 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 100 avenue Columbia Full report: 70 avenue Columbia