A building with 3 dwellings (3 storeys), built in 1910, on a 192 m² lot. No building permit on record since 1990. Listed in the inventory of heritage buildings built before 1940. Place St-Henri metro station is 360 m away. Newer than 62% of the buildings on avenue Laporte. Assessed lower than 80% of the houses and plexes on avenue Laporte.
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What the records show for 817-821 avenue Laporte
Serious
City test found a lead water service line
City of Montréal lead screening test, October 19, 2018. It is about the underground water pipe between the building and the City main, not the condition of the building. A line replaced since then shows once the City updates its record.What it means and what to ask
Note
Short-term rentals: principal residence only, June 10 to September 10
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What the record says
The City of Montréal allows renting your principal residence to tourists only from June 10 to September 10, 31 days at most, with a yearly City permit and a CITQ registration number. A home that is not your principal residence needs a certificate of occupancy, which most residential areas do not allow.
What it means
Do not count on short-term rental income from this property unless you will live in it.
What to do
Check the City’s current rules on montreal.ca before you count on rental income.
The full report explains every finding like this one.
Check
In the inventory of heritage buildings built before 1940
What it means and what to ask
Note
No building permits on record since 1990
What it means and what to ask
Note
Assessed at $1,077,700, +10% on the previous roll
What it means and what to ask
Clear
No notice of deterioration
Clear
No City right of first refusal
Clear
Not in a mapped flood zone
What the record says
What it means
What to do
What the record says, what it means for a buyer and what to ask the seller and the notary: for this finding and every other one, in the full report.
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.
Permits for this address · none since 1990
The borough has issued no building permit for this address since 1990.
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 Le Sud-Ouest, the borough issued 52 construction permits and 30 demolition permits in the last two years. About the borough
Street and trees
City trees in front3 · Silver Maple, Deborah Norway Maple
BoroughLe Sud-Ouest
Questions about 817-821 avenue Laporte
What is 817-821 avenue Laporte assessed at?
$1,077,700 on the 2026-2027-2028 assessment roll. The previous roll had it at $979,700. More
How much is the welcome tax for 817-821 avenue Laporte?
About $16,903 on its assessed value of $1,077,700. 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 817-821 avenue Laporte built?
In 1910, according to the assessment roll.
How many dwellings does 817-821 avenue Laporte have?
3 dwellings, according to the assessment roll.
Is 817-821 avenue Laporte in a flood zone?
No. It is not in a flood zone mapped by the Quebec government. More
Does 817-821 avenue Laporte have a notice of deterioration?
No. The Ville de Montréal has registered no notice of deterioration on this building. More
Is 817-821 avenue Laporte 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 817-821 avenue Laporte be rented short term (Airbnb)?
Only as the owner’s or tenant’s principal residence, from June 10 to September 10, 31 days at most, with a yearly City permit and a CITQ registration number. More
What building permits has 817-821 avenue Laporte had?
None since 1990, when the City’s open permit records begin. More
How far is the nearest metro station from 817-821 avenue Laporte?
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.
