A single-family home (2 storeys), built in 1910, on a 387 m² lot. Villa-Maria metro station is 750 m away. Assessed higher than 75% of the houses and plexes on avenue Grosvenor.
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What stands out about 644 avenue Grosvenor
Built in 1910: older than 91% of the buildings on the island of Montréal.
Assessed value +45% since the roll in force in 2022: a smaller rise than at 75% of the addresses on the island of Montréal.
About 29 min to downtown by metro and bus on a weekday morning: quicker than from 75% of the addresses on the island of Montréal.
Compared with every address on the island of Montréal, from the assessment roll, Montréal open data and the STM timetable.
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What the records show for 644 avenue Grosvenor
Note
Assessed at $2,356,600, +19% on the previous roll
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What the record says
2026-2028 roll (market of 2024-07-01): land $986,100, building $1,370,500, total $2,356,600. Previous roll: $1,980,300.
What it means
The roll reflects the market on July 1, 2024, so it can be far from today’s price. The welcome tax is calculated on the higher of the price and the adjusted assessed value.
What to do
Ask your broker for recent sales nearby before you set your price.
The full report explains every finding like this one.
Clear
Not in a mapped flood zone
What the full report adds to each finding
What the record says, with its date and number
What it means for a buyer
What to ask the seller, your broker and your notary
From $1,623,200 on the roll in force in 2022 to $2,356,600 on the current roll: +45%.
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 area387 m²
TypeSemi-detached
Frontage, cadastre and owner since
Metro and bus near 644 avenue Grosvenor
Nearest metro: Villa-Maria (Orange line)750 m
The Boulevard / Grosvenor · 66, 124180 m
The Boulevard / Grosvenor · 66, 124192 m
The Boulevard / Lansdowne · 66, 124209 m
To downtown (McGill station) by metro and bus, weekday morning≈ 29 min
Public schools near 644 avenue Grosvenor
French-language public elementary schoolÉcole internationale de Montréal, 890 m
English-language public elementary schoolÉcole Roslyn, 170 m
French-language public secondary schoolÉcole Irénée-Lussier, 910 m
English-language public secondary schoolAcadémie Internationale Marymount, 640 m
The nearest school of each kind in a straight line, not the school of the address: each school service centre (French) and school board (English) sets its own territories, so ask it. English public schools require a certificate of eligibility under the Charter of the French language. Source: Ministère de l’Éducation du Québec.
The neighbourhood in the 2021 census
People in this census area (2021)644
Median age42.8 (island of Montréal 39.6)
Median household income (2020)$292,000 (island of Montréal $66,500)
Households that own their home93% (island of Montréal 42%)
Moved here in the last five years33% (island of Montréal 44%)
Children under 1520% (island of Montréal 15%)
People 65 and over19% (island of Montréal 18%)
People who speak French and English82% (island of Montréal 60%)
People who speak French only2% (island of Montréal 25%)
Adults 25 to 64 with a bachelor’s degree or higher84% (island of Montréal 45%)
Workers who take transit to work6% (island of Montréal 26%)
Homes that are single-detached houses17% (island of Montréal 14%)
Homes in buildings of five storeys or more0% (island of Montréal 15%)
Homes built in 1960 or before98% (island of Montréal 35%)
Figures for the census dissemination area that contains the address (a few blocks, usually 400 to 700 people), with the whole city in brackets. Source: Statistics Canada, 2021 Census of Population.
In the full report: incidents reported to the SPVM within 300 m over the last 12 months, by type.
Break-ins
Theft from vehicles
Vehicle theft
Mischief
Robbery
Questions about 644 avenue Grosvenor
What is 644 avenue Grosvenor assessed at?
$2,356,600 on the 2026-2027-2028 assessment roll. The previous roll had it at $1,980,300. More
How much is the welcome tax for 644 avenue Grosvenor?
About $33,460 on its assessed value of $2,356,600. 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
How has the assessed value of 644 avenue Grosvenor changed?
From $1,623,200 on the roll in force in 2022 to $2,356,600 on the current roll: +45%. The previous roll had it at $1,980,300. More
When was 644 avenue Grosvenor built?
In 1910, according to the assessment roll.
How many dwellings does 644 avenue Grosvenor have?
1 dwelling, according to the assessment roll.
Is 644 avenue Grosvenor 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 644 avenue Grosvenor?
Villa-Maria is 750 m away in a straight line.
How long does it take to get downtown from 644 avenue Grosvenor?
About 29 minutes by metro and bus on a weekday morning to McGill station, with the walk to the stop, according to the STM timetable.
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 29, 2026. Lot outlines come from the City’s assessment units and have no legal value; the certificate of location decides.
