REAL ESTATE DATA · SAINT-LAURENT, MONTRÉAL

Av. O'Brien in Montréal: property values and real estate data

Av. O'Brien in Saint-Laurent, Montréal includes 181 residential properties analyzed by Immocalcul. Houses represent 80.1% of the street’s analyzed residential properties.

The median municipal assessment is $663,900. The median known land area is 356 m². These figures describe municipal-roll data and historical records, not active real estate listings.

Saint-Laurent, MontréalAv. O'Brien181 properties analyzed

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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 Av. O'Brien in Montréal: property values and real estate data

Properties analyzed181
Median municipal assessment$663,900
Median known land area356 m²
Median construction year1950
Houses80.1 %
Transactions over 5 years19

Local context

How does Av. O'Brien compare with Saint-Laurent?

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

MetricStreetBorough
Median municipal assessment$663,900$679,100
Median known land area356 m²237 m²
Houses80.1 %39.4 %
Plexes17.7 %15.5 %
Median construction year19501988

Houses represent 80.1 % of analyzed residential properties on Av. O'Brien, compared with 39.4 % across Saint-Laurent.

Street housing profile

Property types on Av. O'Brien

Houses are the leading category among the residential properties analyzed on Av. O'Brien in Saint-Laurent, Montréal.

Houses145 properties
80.1 %
Plexes32 properties
17.7 %
Residential buildings4 properties
2.2 %

Municipal assessment

Municipal assessments on Av. O'Brien

These municipal assessments are calculated from 181 valid residential records on Av. O'Brien in Saint-Laurent, Montréal. They are not market-value estimates or sale prices.

Lower quartile$592,100
Median$663,900
Upper quartile$797,000

Land

Land sizes on Av. O'Brien

The quartiles are calculated from 181 properties on Av. O'Brien in Saint-Laurent, Montréal with a valid cadastral land area.

Lower quartile321 m²
Median356 m²
Upper quartile428 m²
Under 300 m²26 properties
14.4 %
300 to 499 m²140 properties
77.3 %
500 to 749 m²15 properties
8.3 %

Building age

Building age on Av. O'Brien

The median year is 1950, based on 180 properties on Av. O'Brien in Saint-Laurent, Montréal with a valid construction year.

Oldest recorded year1910
Median construction year1950
Most recent recorded year2011
Before 195089 properties
49.4 %
1950 to 196979 properties
43.9 %
1970 to 19894 properties
2.2 %
1990 to 20094 properties
2.2 %
Since 20104 properties
2.2 %

Historical transactions

Real estate sales on Av. O'Brien

These are completed historical transactions linked to analyzed properties on Av. O'Brien in Saint-Laurent, Montréal. They do not indicate that a property is currently listed.

Last 12 months5
Last 3 years9
Last 5 years19
Median historical sale price, 5 years$648,000

Most recent transaction included: May 1, 2026.

Consult a property’s history

Street map

Map of Av. O'Brien in Montréal: property values and real estate data

Open Immocalcul’s interactive map to locate Av. O'Brien in Saint-Laurent, 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 Av. O'Brien in Montréal: property values and real estate data

A limited selection of 18 addresses on Av. O'Brien in Saint-Laurent, 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 Av. O'Brien in Saint-Laurent, Montréal.

Houses

1010 Avenue O'brien

Saint-Laurent borough · Montréal
Municipal assessment
$853,200
Assessment growth
+126.6 %20132026
Land
171
Construction
2005
View property data
Houses

1012 Avenue O'brien

Saint-Laurent borough · Montréal
Municipal assessment
$895,400
Assessment growth
+126.6 %20132026
Land
195
Construction
2005
View property data
Plexes

1015 Avenue O'brien

Saint-Laurent borough · Montréal
Municipal assessment
$826,900
Assessment growth
+126.5 %20132026
Land
185
Construction
2011
View property data
Plexes

1018-1022 Avenue O'brien

Saint-Laurent borough · Montréal
Municipal assessment
$859,000
Assessment growth
+206.2 %20132026
Land
337
Construction
1920
View property data
Plexes

1025-1027 Avenue O'brien

Saint-Laurent borough · Montréal
Municipal assessment
$524,800
Assessment growth
+170.8 %20132026
Land
214
Construction
1915
View property data
Plexes

1035-1037 Avenue O'brien

Saint-Laurent borough · Montréal
Municipal assessment
$752,000
Assessment growth
+136.9 %20132026
Land
329
Construction
1935
View property data
Residential buildings

1045-1055 Avenue O'brien

Saint-Laurent borough · Montréal
Municipal assessment
$1,025,600
Assessment growth
+132.0 %20132026
Land
329
Construction
1925
View property data
Residential buildings

1050-1060 Avenue O'brien

Saint-Laurent borough · Montréal
Municipal assessment
$901,900
Assessment growth
+132.1 %20132026
Land
432
View property data
Plexes

1065-1067 Avenue O'brien

Saint-Laurent borough · Montréal
Municipal assessment
$1,013,600
Assessment growth
+132.0 %20132026
Land
329
Construction
1949
View property data
Plexes

1073-1075 Avenue O'brien

Saint-Laurent borough · Montréal
Municipal assessment
$746,200
Assessment growth
+132.0 %20132026
Land
329
Construction
1925
View property data
Houses

1080 Avenue O'brien

Saint-Laurent borough · Montréal
Municipal assessment
$980,500
Assessment growth
+137.0 %20132026
Land
370
Construction
1959
View property data
Houses

1085 Avenue O'brien

Saint-Laurent borough · Montréal
Municipal assessment
$596,600
Assessment growth
+126.6 %20132026
Land
329
Construction
1947
View property data
Houses

1090 Avenue O'brien

Saint-Laurent borough · Montréal
Municipal assessment
$764,900
Assessment growth
+146.7 %20132026
Land
370
Construction
1941
View property data
Plexes

1095-1097 Avenue O'brien

Saint-Laurent borough · Montréal
Municipal assessment
$758,300
Assessment growth
+132.0 %20132026
Land
329
Construction
1924
View property data
Houses

1100 Avenue O'brien

Saint-Laurent borough · Montréal
Municipal assessment
$642,600
Assessment growth
+136.4 %20132026
Land
369
Construction
1941
View property data
Houses

1105 Avenue O'brien

Saint-Laurent borough · Montréal
Municipal assessment
$532,300
Assessment growth
+126.6 %20132026
Land
304
Construction
1949
View property data
Houses

1115 Avenue O'brien

Saint-Laurent borough · Montréal
Municipal assessment
$611,600
Assessment growth
+126.6 %20132026
Land
329
Construction
1948
View property data
Houses

1120 Avenue O'brien

Saint-Laurent borough · Montréal
Municipal assessment
$929,900
Assessment growth
+126.6 %20132026
Land
553
Construction
1944
View property data

Beyond the street name

Analyze an address on Av. O'Brien

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

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Geographically nearby streets

Streets near Av. O'Brien

These streets are selected by geographic proximity to Av. O'Brien in Saint-Laurent, Montréal, not at random.

Questions about the street

Questions about Av. O'Brien in Montréal: property values and real estate data

Immocalcul analyzed 181 residential properties connected to structured addresses on this street.

The median municipal assessment is $663,900, calculated from 181 valid residential records. A municipal assessment is not a sale price or a market-value estimate.

Houses are the leading category, representing 80.1% of analyzed residential properties.

The median known cadastral land area is 356 m², based on 181 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 Av. O'Brien

Search an address or lot number on Av. O'Brien to open the detailed property profile and the information available in Immocalcul.