Residential address

343 avenue Lansdowne

Westmount, Montreal H3Z 2 views

343 avenue Lansdowne is a residential property in Westmount, Montreal, built in 1897. Its 2026 municipal assessment is $1,945,600, up 10% from $1,768,700 on the 2023 roll.

Year built: 1897
Storeys: 2
Dwellings: 1
Building: 199 m² · 2,142 ft²
Lot size: 330 m² · 3,552 ft²
Type: Logement

Estimated value

$2,092,235

13% below the Westmount average

1.73 M Likely range 2.51 M

Vs a typical Westmount home

Bedrooms 0

Bathrooms 0

Powder rooms 0

Indoor parking 0

Lot size -15% +$7k

Interior size -45% +$8k

Year built -34 +$19k

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Bedrooms

Bathrooms

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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: $1,945,600
Land: $791,500
Building: $1,154,100
2023 roll: $1,768,700 +10%

Alexandre Bélanger-Laflèche

514 Groupe

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Frequently asked questions

What is 343 avenue Lansdowne, Westmount worth?

Evalio estimates the market value of 343 avenue Lansdowne, Westmount at about $2,092,000, with a likely range of $1,734,000 to $2,514,000.

What is the municipal assessment of 343 avenue Lansdowne, Westmount?

On the 2026 municipal assessment roll, 343 avenue Lansdowne, Westmount is valued at $1,945,600. That is $791,500 for the land and $1,154,100 for the building.

When was 343 avenue Lansdowne, Westmount built?

343 avenue Lansdowne, Westmount was built in 1897, 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.