Photo: Pymouss · CC BY-SA 4.0On Québec’s property roll, houses in Châteauguay are valued 33% above the median of Quebec’s towns
A median of $340,000 and a mean of $351,200: that is how owners valued their homes in 2021. Those values come from owners at the 2021 census and predate the prices of the years since. For Châteauguay there is no published sale price, as for every town in Quebec.
Châteauguay’s homes, by two sources
Every figure here is compared within the province, against Quebec’s towns, since each province assesses on its own terms.
median, owners’ estimate
- Average
- $351K
- Owners
- 14,315
- Quebec’s towns
- $300K
- The typical Canadian town
- $406K
single-family, market at July 1, 2023
- Quebec’s towns
- $353K
Census 2021 (Statistics Canada); Canadian Housing Statistics Program, tables 46-10-0099 and 46-10-0093; Québec rôle d’évaluation foncière 2026 (MAMH).
In Châteauguay, plexes are on the roll at a median $539,200, 31% above Quebec’s towns
The roll puts Châteauguay’s dwellings at 66% in single-family houses, 20% in buildings of six units or more, 10% in plexes and 4% in condos.
Median roll value by kind, 2025 the tick is the median of Quebec’s towns
Dwellings by kind of building
Rôle d’évaluation foncière 2025 (MAMH): a kind’s median needs 10 units or more; plexes are valued per building; each municipality’s roll has its own market date. The ticks are the median of Québec’s municipalities with their own roll.
How Châteauguay’s homes break down, by age and kind
19,920 occupied homes stood in Châteauguay in 2021, and single-detached houses made up 63% of them. The older half dates from before 1981.
Homes by period of construction the tick is the median of Quebec’s towns
Homes by kind
| Châteauguay | Quebec | Canada | |
|---|---|---|---|
| Condominiums | 8% | 8% | 8% |
| Needing major repairs | 6% | 6% | 6% |
| Too small for the household | 3% | 2% | 3% |
| Households in core housing need | 7% | 3% | 7% |
Census 2021 (Statistics Canada): occupied private dwellings; core housing need as Statistics Canada defines it. Ticks and columns are medians of the towns and neighbourhoods of 2,500 or more.
15.3 new homes a year per 1,000 in Châteauguay: in step with Quebec’s towns (15.1)
From 2018 to 2023, permits in Châteauguay created 1,592 homes, about 265 a year. Multi-unit buildings took most: single-unit ones were just 9%, where Quebec’s towns built 39%.
The busiest year: 2020, with 488 new homes
New homes a year per 1,000 homes
31,370 new homes in the 12 months to August 2026, up 19% on the year before
Statistics Canada, tables 46-10-0087 (building permits by census subdivision, 2018–2023: dwelling units created, new construction and conversions) and 34-10-0292 (monthly, metro areas). Per 1,000: units a year over 2019–2023 against occupied homes in 2021. · Monthly permits published for the Montréal metro area, not by town
Châteauguay is 13% above the $300,000 median of Quebec’s towns
510 of Quebec’s towns (2,500 people or more), by median value at the 2021 census, dearest first.
Census 2021, owners’ estimates; towns and neighbourhoods of 2,500 or more, no city as a whole, no reserve.
Châteauguay’s neighbours by home value
The places around Châteauguay at the 2021 census: median and average value, and how many own.
| Town | Median home value | Average | Owners | km |
|---|---|---|---|---|
| Châteauguay | $340K | $351K | 72% | |
| Kahnawake | – | – | – | 4.5 |
| Mercier | $376K | $388K | 81% | 5.1 |
| Léry | $452K | $621K | 83% | 5.6 |
| Lachine-Ouest | $600K | $597K | 59% | 9.3 |
| Dorval | $500K | $591K | 60% | 9.4 |
| Saint-Isidore | $376K | $373K | 77% | 9.6 |
Census 2021 values; km.
Questions about property prices in Châteauguay
How many households in Châteauguay are in core housing need?
Statistics Canada puts 7% of Châteauguay’s households in core housing need, a higher share than the 3% of Quebec’s towns.
Is Châteauguay expensive for Quebec?
Yes: Châteauguay’s census median is above the $300,000 of Quebec’s towns.
Sources: Statistics Canada, Census of Population 2021 · Statistics Canada, building permits (tables 46-10-0087 and 34-10-0292) · Ministère des Affaires municipales et de l’Habitation, rôle d’évaluation foncière 2026. Under the Statistics Canada Open Licence.
Adapted from Statistics Canada (Census of Population 2021, population estimates 2025, 2021 census boundaries) under the Statistics Canada Open Licence; this does not constitute an endorsement by Statistics Canada. Neighbourhood names in some cities © OpenStreetMap contributors (ODbL).