Residential address

646 avenue Roslyn

Westmount, Montreal H3Y 1 view

646 avenue Roslyn is a residential property in Westmount, Montreal, built in 1908. Its 2026 municipal assessment is $2,022,500, unchanged from the 2023 roll.

Year built: 1908
Storeys: 2
Dwellings: 1
Building: 246 m² · 2,648 ft²
Lot size: 387 m² · 4,166 ft²
Type: Logement

Estimated value

$2,148,170

11% below the Westmount average

1.78 M Likely range 2.58 M

Vs a typical Westmount home

Bedrooms 0

Bathrooms 0

Powder rooms 0

Indoor parking 0

Lot size 0%

Interior size -31% +$6k

Year built -23 +$13k

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Interior finish Standard

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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: $2,022,500
Land: $986,100
Building: $1,036,400
2023 roll: $2,022,500 0%

Alexandre Bélanger-Laflèche

514 Groupe

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Frequently asked questions

What is 646 avenue Roslyn, Westmount worth?

Evalio estimates the market value of 646 avenue Roslyn, Westmount at about $2,148,000, with a likely range of $1,780,000 to $2,581,000.

What is the municipal assessment of 646 avenue Roslyn, Westmount?

On the 2026 municipal assessment roll, 646 avenue Roslyn, Westmount is valued at $2,022,500. That is $986,100 for the land and $1,036,400 for the building.

When was 646 avenue Roslyn, Westmount built?

646 avenue Roslyn, Westmount was built in 1908, 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.