REAL ESTATE DATA · LACHINE, MONTRÉAL

21e Avenue in Montréal: property values and real estate data

21e Avenue in Lachine, Montréal includes 110 residential properties analyzed by Immocalcul. Condos represent 62.7% of the street’s analyzed residential properties.

The median municipal assessment is $412,350. The median known land area is 85 m². These figures describe municipal-roll data and historical records, not active real estate listings.

Lachine, Montréal21e Avenue110 properties analyzed

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1,100+municipalities covered
20 yearsof historical data

The whole property in one clear profile.

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Understand the municipal assessment.

Separate the land, building and total values, then follow available rolls without treating the assessment as a sale price.

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See what the property history can still change.

Review sales, former owners, successions, companies and published registrations that may require further verification.

Explore property history

Read the land beyond the address.

Locate the lot and consult available cadastral, zoning, environmental and neighbourhood information in its geographic context.

Street profile

Key figures for 21e Avenue in Montréal: property values and real estate data

Properties analyzed110
Median municipal assessment$412,350
Median known land area85 m²
Median construction year2005
Condos62.7 %
Transactions over 5 years9

Local context

How does 21e Avenue compare with Lachine?

Only metrics with a sufficient sample are shown. Municipal assessments are not sale prices or market-value estimates.

MetricStreetCity / area
Median municipal assessment$412,350$630,600
Median known land area85 m²279 m²
Condos62.7 %23.8 %
Townhouses37.3 %5.2 %
Median construction year20051957

Condos represent 62.7 % of analyzed residential properties on 21e Avenue, compared with 23.8 % across Lachine.

Street housing profile

Property types on 21e Avenue

Condos are the leading category among the residential properties analyzed on 21e Avenue in Lachine, Montréal.

Condos69 properties
62.7 %
Townhouses41 properties
37.3 %

Municipal assessment

Municipal assessments on 21e Avenue

These municipal assessments are calculated from 110 valid residential records on 21e Avenue in Lachine, Montréal. They are not market-value estimates or sale prices.

Lower quartile$369,600
Median$412,350
Upper quartile$742,575

Land

Land sizes on 21e Avenue

The quartiles are calculated from 110 properties on 21e Avenue in Lachine, Montréal with a valid cadastral land area.

Lower quartile81 m²
Median85 m²
Upper quartile221 m²
Under 300 m²110 properties
100 %

Building age

Building age on 21e Avenue

The median year is 2005, based on 110 properties on 21e Avenue in Lachine, Montréal with a valid construction year.

Oldest recorded year1930
Median construction year2005
Most recent recorded year2009
Before 19509 properties
8.2 %
1990 to 2009101 properties
91.8 %

Historical transactions

Real estate sales on 21e Avenue

These are completed historical transactions linked to analyzed properties on 21e Avenue in Lachine, Montréal. They do not indicate that a property is currently listed.

Last 12 months1
Last 3 years6
Last 5 years9
Median historical sale price, 5 years$575,000

Most recent transaction included: September 30, 2025.

Consult a property’s history

Street map

Map of 21e Avenue in Montréal: property values and real estate data

Open Immocalcul’s interactive map to locate 21e Avenue in Lachine, Montréal and explore its local context. No paid external map or Street View service is loaded automatically on this SEO page.

Addresses and property data

Addresses on 21e Avenue in Montréal: property values and real estate data

A limited selection of 18 addresses on 21e Avenue in Lachine, Montréal is shown to keep the page useful and fast.

Properties shown on this page are not necessarily for sale. Immocalcul presents real estate data associated with addresses on 21e Avenue in Lachine, Montréal.

Condos

40 21e Avenue #101

Lachine borough · Montréal
Municipal assessment
$472,500
Assessment growth
+116.4 %20132026
Land
128
Construction
2003
View property data
Condos

40 21e Avenue #102

Lachine borough · Montréal
Municipal assessment
$521,800
Assessment growth
+126.6 %20132026
Land
135
Construction
2003
View property data
Condos

40 21e Avenue #201

Lachine borough · Montréal
Municipal assessment
$521,700
Assessment growth
+116.5 %20132026
Land
143
Construction
2003
View property data
Condos

40 21e Avenue #202

Lachine borough · Montréal
Municipal assessment
$568,500
Assessment growth
+125.8 %20132026
Land
150
Construction
2003
View property data
Condos

40 21e Avenue #301

Lachine borough · Montréal
Municipal assessment
$588,400
Assessment growth
+125.4 %20132026
Land
157
Construction
2003
View property data
Condos

40 21e Avenue #302

Lachine borough · Montréal
Municipal assessment
$628,600
Assessment growth
+133.8 %20132026
Land
157
Construction
2003
View property data
Condos

80 21e Avenue #101

Lachine borough · Montréal
Municipal assessment
$503,900
Assessment growth
+116.5 %20132026
Land
156
Construction
2003
View property data
Condos

80 21e Avenue #102

Lachine borough · Montréal
Municipal assessment
$469,500
Assessment growth
+116.6 %20132026
Land
156
Construction
2003
View property data
Condos

80 21e Avenue #201

Lachine borough · Montréal
Municipal assessment
$590,700
Assessment growth
+125.5 %20132026
Land
182
Construction
2003
View property data
Condos

80 21e Avenue #202

Lachine borough · Montréal
Municipal assessment
$554,400
Assessment growth
+116.5 %20132026
Land
182
Construction
2003
View property data
Condos

80 21e Avenue #301

Lachine borough · Montréal
Municipal assessment
$619,700
Assessment growth
+124.9 %20132026
Land
191
Construction
2003
View property data
Condos

80 21e Avenue #302

Lachine borough · Montréal
Municipal assessment
$604,800
Assessment growth
+116.5 %20132026
Land
191
Construction
2003
View property data
Condos

100 21e Avenue #1

Lachine borough · Montréal
Municipal assessment
$304,200
Assessment growth
+71.0 %20182026
Land
52
Construction
1930
View property data
Condos

100 21e Avenue #2

Lachine borough · Montréal
Municipal assessment
$320,100
Assessment growth
+71.1 %20182026
Land
60
Construction
1930
View property data
Condos

100 21e Avenue #3

Lachine borough · Montréal
Municipal assessment
$304,300
Assessment growth
+71.1 %20182026
Land
46
Construction
1930
View property data
Condos

100 21e Avenue #202

Lachine borough · Montréal
Municipal assessment
$575,000
Assessment growth
+121.6 %20182026
Land
87
Construction
1930
View property data
Condos

100 21e Avenue #201

Lachine borough · Montréal
Municipal assessment
$387,400
Assessment growth
+71.0 %20182026
Land
79
Construction
1930
View property data
Condos

100 21e Avenue #203

Lachine borough · Montréal
Municipal assessment
$343,000
Assessment growth
+71.1 %20182026
Land
77
Construction
1930
View property data

Beyond the street name

Analyze an address on 21e Avenue

Search an address to connect municipal-roll information, land, cadastre, property history, transactions, zoning, environmental information, comparables and neighbourhood context when available.

Related local pages

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Same street, other boroughs

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Geographically nearby streets

Streets near 21e Avenue

These streets are selected by geographic proximity to 21e Avenue in Lachine, Montréal, not at random.

Questions about the street

Questions about 21e Avenue in Montréal: property values and real estate data

Immocalcul analyzed 110 residential properties connected to structured addresses on this street.

The median municipal assessment is $412,350, calculated from 110 valid residential records. A municipal assessment is not a sale price or a market-value estimate.

Condos are the leading category, representing 62.7% of analyzed residential properties.

The median known cadastral land area is 85 m², based on 110 properties with a valid area.

Not necessarily. This page presents municipal-roll, cadastral and historical real estate data associated with street addresses. It is not an active-listings page.

Search the civic address in Immocalcul, open the property record, then consult the available cadastral and history information according to your access.

Analyze a specific address

Analyze a property on 21e Avenue

Search an address or lot number on 21e Avenue to open the detailed property profile and the information available in Immocalcul.