Residential address

21 rue Prospect

Westmount, Montreal H3Z 2 views

21 rue Prospect is a residential property in Westmount, Montreal, built in 1895. Its 2026 municipal assessment is $1,572,200, up 5% from $1,497,300 on the 2023 roll.

Year built: 1895
Storeys: 2
Dwellings: 1
Building: 178 m² · 1,916 ft²
Lot size: 222 m² · 2,390 ft²
Type: Logement

Estimated value

$1,634,858

32% below the Westmount average

1.35 M Likely range 1.96 M

Vs a typical Westmount home

Bedrooms -1 -$20k

Bathrooms -1 -$95k

Powder rooms 0

Indoor parking 0

Lot size -42% +$20k

Interior size -50% +$8k

Year built -36 +$15k

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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: $1,572,200
Land: $438,600
Building: $1,133,600
2023 roll: $1,497,300 +5%

Alexandre Bélanger-Laflèche

514 Groupe

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Frequently asked questions

What is 21 rue Prospect, Westmount worth?

Evalio estimates the market value of 21 rue Prospect, Westmount at about $1,635,000, with a likely range of $1,355,000 to $1,964,000.

What is the municipal assessment of 21 rue Prospect, Westmount?

On the 2026 municipal assessment roll, 21 rue Prospect, Westmount is valued at $1,572,200. That is $438,600 for the land and $1,133,600 for the building.

When was 21 rue Prospect, Westmount built?

21 rue Prospect, Westmount was built in 1895, 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.