avenue Sunnyside, Westmount: property records by address

Data as of October 25, 2026 · updated every week

39 addresses on avenue Sunnyside in Westmount, Montréal, built between 1910 and 2007. Open any address for its building permits, zoning, floodplain and heritage records.

The oldest building on avenue Sunnyside dates from 1910; half were built before 1934, and the newest in 2007. Most houses and plexes are assessed between $1,967,800 and $7,380,000; the typical one at $4,468,700.