Residential address

427 avenue Mount-Stephen

Westmount, Montreal H3Y 2 views

427 avenue Mount-Stephen is a residential property in Westmount, Montreal, built in 1910. Its 2026 municipal assessment is $2,179,900, unchanged from the 2023 roll.

Year built: 1910
Storeys: 2
Dwellings: 1
Building: 216 m² · 2,325 ft²
Lot size: 240 m² · 2,583 ft²
Type: Logement

Estimated value

$2,319,860

4% below the Westmount average

1.92 M Likely range 2.79 M

Vs a typical Westmount home

Bedrooms 0

Bathrooms 0

Powder rooms 0

Indoor parking 0

Lot size -38% +$24k

Interior size -40% +$8k

Year built -21 +$13k

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Interior finish Standard

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Bedrooms

Bathrooms

Powder rooms

Indoor parking

Location

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Municipal assessment

2026 roll

Municipal assessment comes from the property assessment roll. It is separate from the estimated market value above.

Total: $2,179,900
Land: $634,900
Building: $1,545,000
2023 roll: $2,179,900 0%

Alexandre Bélanger-Laflèche

514 Groupe

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Frequently asked questions

What is 427 avenue Mount-Stephen, Westmount worth?

Evalio estimates the market value of 427 avenue Mount-Stephen, Westmount at about $2,320,000, with a likely range of $1,923,000 to $2,788,000.

What is the municipal assessment of 427 avenue Mount-Stephen, Westmount?

On the 2026 municipal assessment roll, 427 avenue Mount-Stephen, Westmount is valued at $2,179,900. That is $634,900 for the land and $1,545,000 for the building.

When was 427 avenue Mount-Stephen, Westmount built?

427 avenue Mount-Stephen, Westmount was built in 1910, according to the municipal assessment roll.

Is the Evalio estimate an official appraisal?

No. The Evalio estimate is an automated valuation for information only — it isn't a certified appraisal and carries no legal weight. For a mortgage, a sale, or a tax dispute, hire a chartered appraiser, who visits the property and signs a formal report.