266 avenue Olivier, Westmount

A single-family home (2 storeys), built around 1890, on a 256 m² lot. Atwater metro station is 590 m away. Assessed lower than 88% of the houses and plexes on avenue Olivier.

Data as of October 25, 2026 · updated every week

Assessed, 2026 roll
$1,633,900
Welcome tax on that value
≈ $22,619
Dwellings
1
Built
≈ 1890
2 notes1 clear
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What the records show for 266 avenue Olivier

Note

Same owner since 1988

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What the record says
The current owner was entered on the assessment roll in 1988.
What it means
After a long ownership, roofs, windows, plumbing and wiring may date back decades, and there is no recent sale price to compare.
What to do
Ask for the renovation invoices and the age of the roof, windows, plumbing, wiring and heating.

The full report explains every finding like this one.

Note

Assessed at $1,633,900, +1% on the previous roll

What it means and what to ask

What the record says, what it means for a buyer and what to ask the seller and the notary: for this finding and every other one, in the full report.

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Clear

Not in a mapped flood zone

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Assessed value of 266 avenue Olivier

In the full report
2026-2028 roll$1,633,900

Welcome tax estimated with the provincial 2026 brackets on the assessed value; Westmount may set a higher rate above $500,000, so confirm with your notary.

The building

UseResidential
Storeys2
Lot area256 m²
TypeSemi-detached
Frontage, cadastre and owner since

Metro and bus near 266 avenue Olivier

Nearest metro: Atwater (Green line)590 m
Sainte-Catherine / Dorchester · 63, 90135 m
Sainte-Catherine / Clarke · 63, 90160 m
Sainte-Catherine / Greene · 63, 90176 m

Crime near 266 avenue Olivier

In the full report

In the full report: incidents reported to the SPVM within 300 m over the last 12 months, by type.

Questions about 266 avenue Olivier

What is 266 avenue Olivier assessed at?

$1,633,900 on the 2026-2027-2028 assessment roll. The previous roll had it at $1,617,700. More

How much is the welcome tax for 266 avenue Olivier?

About $22,619 on its assessed value of $1,633,900. The tax is calculated on the highest of the price paid, the value in the deed and the adjusted assessed value, so the real amount may be higher. More

When was 266 avenue Olivier built?

Around 1890, according to the assessment roll (estimated year).

How many dwellings does 266 avenue Olivier have?

1 dwelling, according to the assessment roll.

Is 266 avenue Olivier in a flood zone?

No. It is not in a flood zone mapped by the Quebec government. More

How far is the nearest metro station from 266 avenue Olivier?

Atwater is 590 m away in a straight line.

Other addresses on avenue Olivier

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Westmount is a separate municipality of the Montréal agglomeration: the Ville de Montréal’s permits, notices, right of first refusal and heritage files do not cover it. Ask the city of Westmount for them.

Checked against Montréal open data and the Quebec assessment roll on October 25, 2026. Lot outlines come from the City’s assessment units and have no legal value; the certificate of location decides.