255 avenue Dorval vs 310-484 avenue Dorval

Data as of October 29, 2026 · updated every week

255 avenue Dorval is the older building (1970); 310-484 avenue Dorval was built in 1973. 310-484 avenue Dorval is assessed at $34,800,000, 4655% more than 255 avenue Dorval ($731,800). Neither has a building permit on record. Neither is in a flood zone.

255 avenue Dorval310-484 avenue Dorval
TypeHouse or buildingHouse or building
City and boroughDorvalDorval
Built19701973
Assessed (roll)$731,800$34,800,000
Since the previous roll+20 %−8 %
Welcome tax on that value≈ $9,088≈ $520,111
Lot1,330 m²72,866 m²
Floor area125 m²—
Notice of deteriorationNoNo
City’s right of first refusalNoNo
HeritageNoNo
In a flood zoneNoNo
Building permits on record00
Findings 2 Check 2 Note 1 Check 2 Note
Nearest metro——

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

Full report: 255 avenue Dorval Full report: 310-484 avenue Dorval

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