423 Rue Duportail vs 428 Rue Duportail

Data as of October 29, 2026 · updated every week

423 Rue Duportail is the older building (1988); 428 Rue Duportail was built in 1989. 428 Rue Duportail is assessed at $377,000, 8% more than 423 Rue Duportail ($349,000). Neither has a building permit on record. Neither is in a flood zone.

423 Rue Duportail428 Rue Duportail
TypeHouse or buildingHouse or building
City and boroughQuébec · BeauportQuébec · Beauport
Built19881989
Assessed (roll)$349,000$377,000
Since the previous roll+34 %+29 %
Welcome tax on that value≈ $3,346≈ $3,766
Lot519 m²611 m²
Floor area92 m²106 m²
Notice of deteriorationNoNo
City’s right of first refusalNoNo
HeritageNoNo
In a flood zoneNoNo
Building permits on record00
Findings 2 Note 2 Note
Nearest metro——

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

Full report: 423 Rue Duportail Full report: 428 Rue Duportail

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