rue William, Le Sud-Ouest: property records by address

Data as of October 25, 2026 · updated every week

31 addresses on rue William in Le Sud-Ouest, Montréal, built between 1880 and 2025, zoned mixed. Open any address for its building permits, zoning, floodplain and heritage records.

The oldest building on rue William dates from 1880; half were built before 2014, and the newest in 2025. Most houses and plexes are assessed between $842,400 and $72,000,000; the typical one at $7,536,400. Main land use: mixed (31). 16 condo buildings. 3 addresses have a serious finding, such as a notice of deterioration, a flood zone or a contaminated lot.