rue Authier, Saint-Laurent: property records by address

Data as of October 25, 2026 · updated every week

6 addresses on rue Authier in Saint-Laurent, Montréal, built between 1957 and 1978, zoned residential. Open any address for its building permits, zoning, floodplain and heritage records.

The oldest building on rue Authier dates from 1957; half were built before 1977, and the newest in 1978. Most houses and plexes are assessed between $1,682,200 and $4,984,800; the typical one at $2,863,200. Main land use: residential (6).