4180 rue Sir-George-Simpson vs 5540-5550 rue Sir-George-Simpson

Data as of October 29, 2026 · updated every week

4180 rue Sir-George-Simpson is the older building (1950); 5540-5550 rue Sir-George-Simpson was built in 1967. 5540-5550 rue Sir-George-Simpson is assessed at $667,600, 16% more than 4180 rue Sir-George-Simpson ($574,800). 4180 rue Sir-George-Simpson has 3 building permits on record, 5540-5550 rue Sir-George-Simpson has 0. Neither is in a flood zone.

4180 rue Sir-George-Simpson5540-5550 rue Sir-George-Simpson
TypeHouse or building2 dwellings
City and boroughMontréal · LachineMontréal · Lachine
Built19501967
Assessed (roll)$574,800$667,600
Since the previous roll+8 %+9 %
Welcome tax on that value≈ $6,845≈ $8,701
Lot557 m²286 m²
Floor area117 m²248 m²
Notice of deteriorationNoNo
City’s right of first refusalNoNo
HeritageNoNo
In a flood zoneNoNo
Building permits on record3 · Oct 20230
Findings 4 Note 3 Note
Nearest metro——

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

Full report: 4180 rue Sir-George-Simpson Full report: 5540-5550 rue Sir-George-Simpson

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