Residential address

266 avenue Lansdowne

Westmount, Montreal H3Z 2 views

266 avenue Lansdowne is a residential property in Westmount, Montreal, built in 1925. Its 2026 municipal assessment is $5,501,600, up 4% from $5,290,000 on the 2023 roll.

Year built: 1925
Storeys: 3
Dwellings: 16
Building: 1453 m² · 15,640 ft²
Lot size: 796 m² · 8,568 ft²
Type: Logement

Estimated value

$5,607,610

132% above the Westmount average

4.65 M Likely range 6.74 M

Vs a typical Westmount home

Bedrooms +2 +$135k

Bathrooms +1 +$308k

Powder rooms +1 +$156k

Indoor parking 0

Lot size +106% -$89k

Interior size +305% -$54k

Year built -6 +$9k

Estimate based on regional data and your inputs. How it works

Refine this estimate

Adjust the rooms and interior finish: the value updates as you go.

Interior finish Standard

Example of this interior finish level — Standard

The typical, average finish — kept up and current enough.

Poor Excellent

Bedrooms

Bathrooms

Powder rooms

Indoor parking

Location

Google Maps

Municipal assessment

2026 roll

Municipal assessment comes from the property assessment roll. It is separate from the estimated market value above.

Total: $5,501,600
Land: $955,000
Building: $4,546,600
2023 roll: $5,290,000 +4%

Alexandre Bélanger-Laflèche

514 Groupe

View profile

Talk to a local expert

Questions about this home in Westmount?

Alexandre Bélanger-Laflèche knows this market and can take you further than an online estimate:

See recent transactions on nearby homes
Confirm the details we have on file for this property
Confirm what it's really worth on today's market

Frequently asked questions

What is 266 avenue Lansdowne, Westmount worth?

Evalio estimates the market value of 266 avenue Lansdowne, Westmount at about $5,608,000, with a likely range of $4,647,000 to $6,738,000.

What is the municipal assessment of 266 avenue Lansdowne, Westmount?

On the 2026 municipal assessment roll, 266 avenue Lansdowne, Westmount is valued at $5,501,600. That is $955,000 for the land and $4,546,600 for the building.

When was 266 avenue Lansdowne, Westmount built?

266 avenue Lansdowne, Westmount was built in 1925, 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.