20 avenue Thornhill vs 22 avenue Thornhill

Data as of October 29, 2026 · updated every week

Both were built in 1923. 20 avenue Thornhill is assessed at $2,138,400, 11% more than 22 avenue Thornhill ($1,920,500). Neither has a building permit on record. Neither is in a flood zone.

20 avenue Thornhill22 avenue Thornhill
TypeHouse or buildingHouse or building
City and boroughWestmountWestmount
Built19231923
Assessed (roll)$2,138,400$1,920,500
Since the previous roll+8 %+8 %
Welcome tax on that value≈ $30,187≈ $26,918
Lot316 m²327 m²
Floor area177 m²177 m²
Notice of deteriorationNoNo
City’s right of first refusalNoNo
HeritageNoNo
In a flood zoneNoNo
Building permits on record00
Findings 1 Note 1 Note
Nearest metroAtwater, 990 mAtwater, 990 m

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

Full report: 20 avenue Thornhill Full report: 22 avenue Thornhill

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