345 51e Avenue vs 825 51e Avenue

Data as of October 29, 2026 · updated every week

345 51e Avenue is the older building (1942); 825 51e Avenue was built in 1951. 825 51e Avenue is assessed at $639,800, 21% more than 345 51e Avenue ($528,300). 345 51e Avenue has 1 building permits on record, 825 51e Avenue has 0. Neither is in a flood zone.

345 51e Avenue825 51e Avenue
TypeHouse or buildingHouse or building
City and boroughMontréal · LachineMontréal · Lachine
Built19421951
Assessed (roll)$528,300$639,800
Since the previous roll+9 %+5 %
Welcome tax on that value≈ $6,035≈ $8,145
Lot381 m²552 m²
Floor area128 m²103 m²
Notice of deteriorationNoNo
City’s right of first refusalNoNo
HeritageNoNo
In a flood zoneNoNo
Building permits on record1 · Nov 20210
Findings 5 Note 4 Note
Nearest metro——

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

Full report: 345 51e Avenue Full report: 825 51e Avenue

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