Le Plateau-Mont-Royal, Montréal: property records, permits and heritage

Data as of October 25, 2026 · updated every week

Le Plateau-Mont-Royal has 18,570 addresses on the assessment roll. In the last two years the borough issued 12 construction permits and 18 demolition permits. 12,093 buildings here are listed or protected as heritage.

The oldest building in Le Plateau-Mont-Royal dates from 1800; half were built before 1910, and the newest in 2026. Most houses and plexes are assessed between $846,400 and $2,536,400; the typical one at $1,323,500. Main land use: residential (16,437), mixed (1,999), emplois (64). 6,676 condo buildings. 6,699 addresses have a serious finding, such as a notice of deterioration, a flood zone or a contaminated lot.