Mercier-Hochelaga-Maisonneuve, Montréal: property records, permits and heritage

Data as of October 25, 2026 · updated every week

Mercier-Hochelaga-Maisonneuve has 24,999 addresses on the assessment roll. In the last two years the borough issued 65 construction permits and 27 demolition permits. 4,891 buildings here are listed or protected as heritage.

The oldest building in Mercier-Hochelaga-Maisonneuve dates from 1855; half were built before 1958, and the newest in 2026. Most houses and plexes are assessed between $515,300 and $1,232,700; the typical one at $765,300. Main land use: residential (24,398), mixed (272), mixed activities (176). 4,425 condo buildings. 11,371 addresses have a serious finding, such as a notice of deterioration, a flood zone or a contaminated lot.

Addresses
24,999
Construction permits, 2 yrs
65
Demolitions, 2 yrs
27
Heritage buildings
4,891

Oldest buildings

Highest assessed houses and plexes

Map of Mercier-Hochelaga-Maisonneuve: construction, demolitions and heritage buildings

Construction permit, last 2 yearsDemolition, last 2 yearsHeritage siteLot

Streets in Mercier-Hochelaga-Maisonneuve

Other Montréal boroughs