A single-family home (1 storey), built in 1975, on a 650 m² lot. Newer than 63% of the buildings on rue Montrose. Assessed higher than 90% of the houses and plexes on rue Montrose.
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What stands out about 427 rue Montrose
Assessed value +89% since the roll in force in 2022: a bigger rise than at 96% of the addresses on the island of Montréal.
About 84 min to downtown by metro and bus on a weekday morning: longer than from 94% of the addresses on the island of Montréal.
A lot of about 650 m²: larger than 83% of the lots 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 427 rue Montrose
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Rainwater can pool on this lot in a heavy storm
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What the record says
The City’s map of runoff basins (2021) shows low spots on about 423 m² of the lot (67 %) where more than 300 mm of water can collect.
What it means
In an intense storm, when the sewers are full, rainwater gathers in these low spots before it can drain. Water standing against a house is a common way into basements: window wells, doors, cracks, or a driveway that slopes down to a garage. The map is a model made from 2015 elevation data, not a record of past floods.
What to do
Look at where the low spots are (yard, lane, driveway), ask the seller about water in the basement and insurance claims, have the inspector check the grading, the backwater valve and the sump pump, and ask your insurer about overland water and sewer backup cover.
The full report explains every finding like this one.
Note
Assessed at $1,224,000, +24% on the previous roll
What it means and what to ask
Clear
Not in a mapped flood zone
What the record says
What it means
What to do
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.
From $648,100 on the roll in force in 2022 to $1,224,000 on the current roll: +89%.
Welcome tax estimated with the provincial 2026 brackets on the assessed value; Beaconsfield may set a higher rate above $500,000, so confirm with your notary.
The building
UseResidential
Storeys1
Lot area650 m²
TypeDetached
Frontage, cadastre and owner since
Metro and bus near 427 rue Montrose
Montrose / Coronet · 211198 m
Montrose / Coronet · 211216 m
Montrose / Elm · 211364 m
To downtown (McGill station) by metro and bus, weekday morning≈ 84 min
Public schools near 427 rue Montrose
French-language public elementary schoolÉcole Saint-Rémi, 1.3 km
English-language public elementary schoolÉcole primaire Sherbrooke Academy Senior, 960 m
French-language public secondary schoolÉcole John-F.- Kennedy, 1.7 km
English-language public secondary schoolCentre d'accueil Dawson Alternative, 1.3 km
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)528
Median age42.0 (island of Montréal 39.6)
Median household income (2020)$125,000 (island of Montréal $66,500)
Households that own their home75% (island of Montréal 42%)
Moved here in the last five years25% (island of Montréal 44%)
Children under 1515% (island of Montréal 15%)
People 65 and over13% (island of Montréal 18%)
People who speak French and English76% (island of Montréal 60%)
People who speak French only3% (island of Montréal 25%)
Adults 25 to 64 with a bachelor’s degree or higher60% (island of Montréal 45%)
Workers who take transit to work6% (island of Montréal 26%)
Homes that are single-detached houses64% (island of Montréal 14%)
Homes in buildings of five storeys or more0% (island of Montréal 15%)
Homes built in 1960 or before6% (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 427 rue Montrose
What is 427 rue Montrose assessed at?
$1,224,000 on the 2026-2027-2028 assessment roll. The previous roll had it at $990,000. More
How much is the welcome tax for 427 rue Montrose?
About $16,471 on its assessed value of $1,224,000. 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 427 rue Montrose changed?
From $648,100 on the roll in force in 2022 to $1,224,000 on the current roll: +89%. The previous roll had it at $990,000. More
When was 427 rue Montrose built?
In 1975, according to the assessment roll.
How many dwellings does 427 rue Montrose have?
1 dwelling, according to the assessment roll.
Is 427 rue Montrose in a flood zone?
No. It is not in a flood zone mapped by the Quebec government. More
How long does it take to get downtown from 427 rue Montrose?
About 84 minutes by metro and bus on a weekday morning to McGill station, with the walk to the stop, according to the STM timetable.
Beaconsfield 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 Beaconsfield 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.
