Residential address

420 avenue Mount-Stephen

Westmount, Montreal H3Y 5 views

420 avenue Mount-Stephen is a residential property in Westmount, Montreal, built in 1910. Its 2026 municipal assessment is $1,526,800, unchanged from the 2023 roll.

Year built: 1910
Storeys: 2
Dwellings: 1
Building: 193 m² · 2,077 ft²
Lot size: 244 m² · 2,626 ft²
Type: Logement

Estimated value

$1,582,726

34% below the Westmount average

1.31 M Likely range 1.9 M

Vs a typical Westmount home

Bedrooms -1 -$19k

Bathrooms -1 -$92k

Powder rooms 0

Indoor parking 0

Lot size -37% +$16k

Interior size -46% +$7k

Year built -21 +$9k

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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: $1,526,800
Land: $646,300
Building: $880,500
2023 roll: $1,526,800 0%

Alexandre Bélanger-Laflèche

514 Groupe

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Frequently asked questions

What is 420 avenue Mount-Stephen, Westmount worth?

Evalio estimates the market value of 420 avenue Mount-Stephen, Westmount at about $1,583,000, with a likely range of $1,312,000 to $1,902,000.

What is the municipal assessment of 420 avenue Mount-Stephen, Westmount?

On the 2026 municipal assessment roll, 420 avenue Mount-Stephen, Westmount is valued at $1,526,800. That is $646,300 for the land and $880,500 for the building.

When was 420 avenue Mount-Stephen, Westmount built?

420 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.