Unit 2 – 100 21e Avenue, Montréal

Unit 2 of 20 on the roll at 100 21e Avenue. Number 8 by value in the building. Assessed value +10% since the previous roll. A condo building with 20 units on the assessment roll, built in 1930. 6 building permits since 1990. Listed in the inventory of heritage buildings built before 1940.

Data as of October 25, 2026 · updated every week

Unit, 2026 roll
$320,100
Welcome tax on that value
≈ $2,912
Since the previous roll
+10 %
Floor area
71 m²

Building report for 100 21e Avenue: all 20 units · $20

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What the records show for 2-100 21e Avenue

Note

Condo building, 20 units on the roll

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What the record says
20 divided co-ownership units at this address, built 1930.
What it means
Since the 2020 reform of co-ownership rules, the syndicate must have a contingency fund study and a maintenance log. Older buildings often face special assessments.
What to do
Ask for the syndicate’s certificate on the state of the co-ownership, the contingency fund study, the maintenance log, two years of minutes and the declaration of co-ownership.

The full report explains every finding like this one.

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In the inventory of heritage buildings built before 1940

What it means and what to ask

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.

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6 building permits since 1990, 2 in the last 3 years

What it means and what to ask

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.

Note

Typical unit assessed at $304,200, +13% on the previous roll

What it means and what to ask

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.

Note

No short-term rentals to tourists in this borough

What it means and what to ask

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.

Note

1 contaminated site within 100 m

What it means and what to ask

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.

Clear

No notice of deterioration

Clear

No City right of first refusal

Clear

Not in a mapped flood zone

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Assessed value of 2-100 21e Avenue

In the full report
This unit, 2026-2028 roll$320,100
Typical unit$304,200

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 · 6 since 1990

In the full report
Nov 2024 · Certificate of authorization
5 more permits in the full report

The building

UseResidential
Storeys1
TypeIntegrated
Land use in the urban planResidential
Frontage, cadastre and owner since

Metro and bus near 2-100 21e Avenue

Notre-Dame / 21e Avenue · 19593 m
Notre-Dame / 23e Avenue · 195118 m
Notre-Dame / 19e Avenue · 195165 m

Crime near 2-100 21e Avenue

In the full report

In the full report: incidents reported to the SPVM within 300 m over the last 12 months, by type.

Building activity nearby

Construction permits within 300 m, 2 years3
Demolition permits within 300 m, 2 years3

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 frontNone recorded
BoroughLachine

Other units at 100 21e Avenue

Units in the building

Unit 1$304,200
Unit 2 · this unit$320,100
Unit 3$304,300
Unit 101$367,000
Unit 102$415,800
Unit 103$343,000
Unit 201$387,400
Unit 202$575,000
Unit 203$343,000
Unit 301$1,127,500
Unit R10$11,600
Unit R11$11,600

All 20 units in the building

Questions about 2-100 21e Avenue

What is Unit 2, 2-100 21e Avenue assessed at?

$320,100 on the 2026-2027-2028 assessment roll. More

How much is the welcome tax for 2-100 21e Avenue?

About $2,912 on its assessed value of $320,100. 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 2-100 21e Avenue built?

In 1930, according to the assessment roll.

Is 2-100 21e Avenue in a flood zone?

No. It is not in a flood zone mapped by the Quebec government. More

Does 2-100 21e Avenue have a notice of deterioration?

No. The Ville de Montréal has registered no notice of deterioration on this building. More

Is 2-100 21e 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 2-100 21e 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 2-100 21e Avenue had?

The City has issued 6 permits since 1990. The latest, from Nov 2024: abattage d'arbre. More

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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.