170-172 avenue Roy vs 255 avenue Roy

Data as of October 29, 2026 · updated every week

255 avenue Roy is the older building (1955); 170-172 avenue Roy was built in 1964. 170-172 avenue Roy is assessed at $932,300, 42% more than 255 avenue Roy ($654,600). Neither has a building permit on record. Neither is in a flood zone.

170-172 avenue Roy255 avenue Roy
Type3 dwellingsHouse or building
City and boroughDorvalDorval
Built19641955
Assessed (roll)$932,300$654,600
Since the previous roll+13 %+2 %
Welcome tax on that value≈ $12,095≈ $7,930
Lot609 m²518 m²
Floor area258 m²190 m²
Notice of deteriorationNoNo
City’s right of first refusalNoNo
HeritageNoNo
In a flood zoneNoNo
Building permits on record00
Findings 1 Check 1 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: 170-172 avenue Roy Full report: 255 avenue Roy

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