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Châteauguay

18,090 properties on the 2025 property assessment roll

Châteauguay has 18,090 properties on the 2025 property assessment roll. The most common property types are single-family home (13,550), condominium (1,212), duplex (587). The median assessed value on the roll is $460,600, an average increase of 50.9% over the previous roll. The median year of construction is 1974.

According to the 2021 Census, Châteauguay has 50,815 residents (+6.1% since 2016), with a median age of 43. 72% of households own their home. The median after-tax household income is $69,000 and the median dwelling value reported in the census was $340,000.

Sources: 2025 property assessment roll (MAMH) · 2021 Census (Statistics Canada).

The market by property type

Single-family home
13,550
Avg. assessment $496,443
Condominium
1,212
Avg. assessment $499,354
Duplex
587
Avg. assessment $527,178
Triplex
260
Avg. assessment $630,603
Residential
61
Avg. assessment $3,054,705
Apartment building (6 units)
47
Avg. assessment $1,020,115
Quadruplex
32
Avg. assessment $587,734
Apartment building (8 units)
31
Avg. assessment $1,206,781

Population trend

+28% since 2001

All of Châteauguay · annual estimates from the ISQ

202553,508 residents20012025

Population estimates as of July 1, Institut de la statistique du Québec (ISQ) (2001-2025). Recent years are revised or preliminary.

Main streets in Châteauguay

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Other streets in Châteauguay

Properties in Châteauguay