321 avenue Roslyn vs 630 avenue Roslyn

Data as of October 29, 2026 · updated every week

Both were built in 1910. 630 avenue Roslyn is assessed at $2,999,000, 61% more than 321 avenue Roslyn ($1,863,200). Neither has a building permit on record. Neither is in a flood zone.

321 avenue Roslyn630 avenue Roslyn
TypeHouse or buildingHouse or building
City and boroughWestmountWestmount
Built19101910
Assessed (roll)$1,863,200$2,999,000
Since the previous roll+10 %0 %
Welcome tax on that value≈ $26,059≈ $43,096
Lot320 m²596 m²
Floor area191 m²299 m²
Notice of deteriorationNoNo
City’s right of first refusalNoNo
HeritageNoNo
In a flood zoneNoNo
Building permits on record00
Findings 2 Note 2 Note
Nearest metroVendôme, 700 mVilla-Maria, 850 m

The full report for each address explains every finding and shows the full permit and value history.

Full report: 321 avenue Roslyn Full report: 630 avenue Roslyn

Compare other addresses