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.

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

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
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.
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.
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.
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.
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.
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.
Most recent transaction included: September 30, 2025.
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.
40 21e Avenue #101
Lachine borough · Montréal- Municipal assessment
- $472,500
- Assessment growth
- +116.4 %2013 → 2026
- Land
- 128 m²
- Construction
- 2003
40 21e Avenue #102
Lachine borough · Montréal- Municipal assessment
- $521,800
- Assessment growth
- +126.6 %2013 → 2026
- Land
- 135 m²
- Construction
- 2003
40 21e Avenue #201
Lachine borough · Montréal- Municipal assessment
- $521,700
- Assessment growth
- +116.5 %2013 → 2026
- Land
- 143 m²
- Construction
- 2003
40 21e Avenue #202
Lachine borough · Montréal- Municipal assessment
- $568,500
- Assessment growth
- +125.8 %2013 → 2026
- Land
- 150 m²
- Construction
- 2003
40 21e Avenue #301
Lachine borough · Montréal- Municipal assessment
- $588,400
- Assessment growth
- +125.4 %2013 → 2026
- Land
- 157 m²
- Construction
- 2003
40 21e Avenue #302
Lachine borough · Montréal- Municipal assessment
- $628,600
- Assessment growth
- +133.8 %2013 → 2026
- Land
- 157 m²
- Construction
- 2003
80 21e Avenue #101
Lachine borough · Montréal- Municipal assessment
- $503,900
- Assessment growth
- +116.5 %2013 → 2026
- Land
- 156 m²
- Construction
- 2003
80 21e Avenue #102
Lachine borough · Montréal- Municipal assessment
- $469,500
- Assessment growth
- +116.6 %2013 → 2026
- Land
- 156 m²
- Construction
- 2003
80 21e Avenue #201
Lachine borough · Montréal- Municipal assessment
- $590,700
- Assessment growth
- +125.5 %2013 → 2026
- Land
- 182 m²
- Construction
- 2003
80 21e Avenue #202
Lachine borough · Montréal- Municipal assessment
- $554,400
- Assessment growth
- +116.5 %2013 → 2026
- Land
- 182 m²
- Construction
- 2003
80 21e Avenue #301
Lachine borough · Montréal- Municipal assessment
- $619,700
- Assessment growth
- +124.9 %2013 → 2026
- Land
- 191 m²
- Construction
- 2003
80 21e Avenue #302
Lachine borough · Montréal- Municipal assessment
- $604,800
- Assessment growth
- +116.5 %2013 → 2026
- Land
- 191 m²
- Construction
- 2003
100 21e Avenue #1
Lachine borough · Montréal- Municipal assessment
- $304,200
- Assessment growth
- +71.0 %2018 → 2026
- Land
- 52 m²
- Construction
- 1930
100 21e Avenue #2
Lachine borough · Montréal- Municipal assessment
- $320,100
- Assessment growth
- +71.1 %2018 → 2026
- Land
- 60 m²
- Construction
- 1930
100 21e Avenue #3
Lachine borough · Montréal- Municipal assessment
- $304,300
- Assessment growth
- +71.1 %2018 → 2026
- Land
- 46 m²
- Construction
- 1930
100 21e Avenue #202
Lachine borough · Montréal- Municipal assessment
- $575,000
- Assessment growth
- +121.6 %2018 → 2026
- Land
- 87 m²
- Construction
- 1930
100 21e Avenue #201
Lachine borough · Montréal- Municipal assessment
- $387,400
- Assessment growth
- +71.0 %2018 → 2026
- Land
- 79 m²
- Construction
- 1930
100 21e Avenue #203
Lachine borough · Montréal- Municipal assessment
- $343,000
- Assessment growth
- +71.1 %2018 → 2026
- Land
- 77 m²
- Construction
- 1930
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
Other local profiles for 21e Avenue
Each link opens a separate profile calculated only from the addresses and properties in that local area.
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.
