Residential address

331 avenue Lansdowne

Westmount, Montreal H3Z 3 views

331 avenue Lansdowne is a residential property in Westmount, Montreal, built in 1910. Its 2026 municipal assessment is $3,696,000, up 10% from $3,360,000 on the 2023 roll.

Year built: 1910
Storeys: 2
Dwellings: 1
Building: 477 m² · 5,134 ft²
Lot size: 810 m² · 8,719 ft²
Type: Logement

Estimated value

$3,834,211

59% above the Westmount average

3.18 M Likely range 4.61 M

Vs a typical Westmount home

Bedrooms +1 +$46k

Bathrooms +1 +$210k

Powder rooms 0

Indoor parking 0

Lot size +110% -$62k

Interior size +33% -$7k

Year built -21 +$21k

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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: $3,696,000
Land: $1,750,500
Building: $1,945,500
2023 roll: $3,360,000 +10%

Alexandre Bélanger-Laflèche

514 Groupe

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Frequently asked questions

What is 331 avenue Lansdowne, Westmount worth?

Evalio estimates the market value of 331 avenue Lansdowne, Westmount at about $3,834,000, with a likely range of $3,177,000 to $4,607,000.

What is the municipal assessment of 331 avenue Lansdowne, Westmount?

On the 2026 municipal assessment roll, 331 avenue Lansdowne, Westmount is valued at $3,696,000. That is $1,750,500 for the land and $1,945,500 for the building.

When was 331 avenue Lansdowne, Westmount built?

331 avenue Lansdowne, 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.