At a glance
Lachine-Ouest has detached houses and townhouses on the Saint Lawrence, with higher incomes than the east side of the borough. It is in the borough of Lachine.
- Median home value (est.)
- $701K* * est.: 2021 census, indexed to September 2026 · city $611K
- Residents
- 15,315 2021 census
- Households renting
- 41% city 64%
- Homes that are apartments
- 44% city 73%
What the numbers mean
- Owners valued the median home at $573K in the 2021 census. Indexed to September 2026 prices with the Montréal CMA MLS® Home Price Index (+22% since then), that is about $701K, 15% above the Montréal median of $611K. It is an estimate: the index tracks the whole region, not this neighbourhood.
- 41% of households rent, well below the 64% city-wide.
- 22% are 65 or older, versus 17% city-wide, a sign of long-time residents and a settled pace.
- 34% of homes are single-detached houses, versus 7% city-wide.
Who lives here
Share of residents by age, 2021 census.
Homes
Share of homes by type, 2021 census.
Upfront closing costs1
Quebec buyers pay a tiered transfer duty (the welcome tax) to the municipality, set by each city. Montréal's rate rises from 0.5% to 4%. Government fees at the median home price: This uses the census home value indexed to September 2026 prices, so treat it as an estimate.
- Montréal transfer duties (welcome tax)
- $9,370 on $701K
Typical apartment rent nearby2
Lachine-Ouest sits in CMHC's Dorval/Lachine/Saint-Pierre survey zone. October 2025 average rent of purpose-built rental apartments in that zone:
- Studio
- $880 −$125 vs metro average
- 1 bedroom
- $978 −$153 vs metro average
- 2 bedroom
- $1,138 −$208 vs metro average
- 3 bedroom or more
- — not reported
How it's changing
Montréal doesn't publish building permits by neighbourhood, so we can't chart construction here yet.
Safety3
Reported incidents in the last 12 months (October 2025 to September 2026), per 1,000 residents, compared with the median of 77 Montréal neighbourhoods.
- Reported crime
- 3.8 per 1,000 · below the 8.7 median
- Violent crime
- 0.4 per 1,000 · median 0.8
- Property crime
- 3.4 per 1,000 · median 8.1
- Reported crime runs about 56% below the median Montréal neighbourhood: 3.8 incidents per 1,000 residents a year, versus 8.7.
- Montréal police don't publish assaults in their open data, so the violent figure here only covers robbery and offences causing death.
- The most common reported crime is theft from vehicles, 41% of the total. 90% of incidents are property crime.
- Crime has been roughly flat since 2020, at about 55 reported incidents a year.
- So far in 2026 (January to September) there have been 44 incidents, about the same as the same months of 2025.
Crime per 1,000 residents
What gets reported
Top crime types in the rate, same period.
Other reported incidents
Counted by police but left out of the rate, same period.
- Mischief and vandalism
- 14
Reported crime by year
*2026 is year to date.