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L'Assomption

9,400 properties on the 2025 property assessment roll

L'Assomption has 9,400 properties on the 2025 property assessment roll. The most common property types are single-family home (6,045), condominium (606), duplex (456). The median assessed value on the roll is $452,600, an average increase of 54.5% over the previous roll. The median year of construction is 1993.

According to the 2021 Census, L'Assomption has 23,442 residents (+4.5% since 2016), with a median age of 40. 74% of households own their home. The median after-tax household income is $74,500 and the median dwelling value reported in the census was $328,000.

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

The market by property type

Single-family home
6,045
Avg. assessment $497,662
Condominium
606
Avg. assessment $340,833
Duplex
456
Avg. assessment $548,208
Triplex
222
Avg. assessment $667,400
Mobile home
85
Avg. assessment $174,665
Apartment building (6 units)
63
Avg. assessment $1,166,732
Residential
56
Avg. assessment $1,776,850
Quadruplex
46
Avg. assessment $640,365

Population trend

+57.8% since 2001

All of L'Assomption · annual estimates from the ISQ

202525,126 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 L'Assomption

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Other streets in L'Assomption

Properties in L'Assomption