A building with 2 dwellings (2 storeys), built in 1928, on a 209 m² lot. 1 building permit since 1990. Listed in the inventory of heritage buildings built before 1940. Older than 73% of the buildings on 12e Avenue. Assessed lower than 67% of the houses and plexes on 12e Avenue.
Welcome tax estimated with the City of Montréal’s 2026 brackets on the assessed value; the notary calculates it on the higher of the price and the adjusted value.
In the full report: incidents reported to the SPVM within 300 m over the last 12 months, by type.
Break-ins
Theft from vehicles
Vehicle theft
Mischief
Robbery
Building activity nearby
Construction permits within 300 m, 2 years0
Demolition permits within 300 m, 2 years0
In Lachine, the borough issued 64 construction permits and 19 demolition permits in the last two years. About the borough
Street and trees
City trees in front1 · Syringa vulgaris
BoroughLachine
Questions about 644-646 12e Avenue
What is 644-646 12e Avenue assessed at?
$558,700 on the 2026-2027-2028 assessment roll. The previous roll had it at $469,500. More
How much is the welcome tax for 644-646 12e Avenue?
About $6,523 on its assessed value of $558,700. The tax is calculated on the highest of the price paid, the value in the deed and the adjusted assessed value, so the real amount may be higher. More
When was 644-646 12e Avenue built?
In 1928, according to the assessment roll.
How many dwellings does 644-646 12e Avenue have?
2 dwellings, according to the assessment roll.
Is 644-646 12e Avenue in a flood zone?
No. It is not in a flood zone mapped by the Quebec government. More
Does 644-646 12e Avenue have a notice of deterioration?
No. The Ville de Montréal has registered no notice of deterioration on this building. More
Is 644-646 12e Avenue a heritage building?
It is in the City’s inventory of buildings built before 1940. It is not protected, but some work may need a review. More
Can 644-646 12e Avenue be rented short term (Airbnb)?
No. The City of Montréal does not allow short-term rentals to tourists in this borough, even in a principal residence. More
What building permits has 644-646 12e Avenue had?
The City has issued 1 permit since 1990. The latest, from Sep 2004: égout / aqueduc. More
Checked against Montréal open data and the Quebec assessment roll on October 25, 2026. Lot outlines come from the City’s assessment units and have no legal value; the certificate of location decides.
