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.

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Understand the municipal assessment.
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Read the land beyond the address.
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Street profile
Key figures for Av. O'Brien in Montréal: property values and real estate data
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.
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.
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.
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.
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.
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.
Most recent transaction included: May 1, 2026.
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.
1010 Avenue O'brien
Saint-Laurent borough · Montréal- Municipal assessment
- $853,200
- Assessment growth
- +126.6 %2013 → 2026
- Land
- 171 m²
- Construction
- 2005
1012 Avenue O'brien
Saint-Laurent borough · Montréal- Municipal assessment
- $895,400
- Assessment growth
- +126.6 %2013 → 2026
- Land
- 195 m²
- Construction
- 2005
1015 Avenue O'brien
Saint-Laurent borough · Montréal- Municipal assessment
- $826,900
- Assessment growth
- +126.5 %2013 → 2026
- Land
- 185 m²
- Construction
- 2011
1018-1022 Avenue O'brien
Saint-Laurent borough · Montréal- Municipal assessment
- $859,000
- Assessment growth
- +206.2 %2013 → 2026
- Land
- 337 m²
- Construction
- 1920
1025-1027 Avenue O'brien
Saint-Laurent borough · Montréal- Municipal assessment
- $524,800
- Assessment growth
- +170.8 %2013 → 2026
- Land
- 214 m²
- Construction
- 1915
1035-1037 Avenue O'brien
Saint-Laurent borough · Montréal- Municipal assessment
- $752,000
- Assessment growth
- +136.9 %2013 → 2026
- Land
- 329 m²
- Construction
- 1935
1045-1055 Avenue O'brien
Saint-Laurent borough · Montréal- Municipal assessment
- $1,025,600
- Assessment growth
- +132.0 %2013 → 2026
- Land
- 329 m²
- Construction
- 1925
1050-1060 Avenue O'brien
Saint-Laurent borough · Montréal- Municipal assessment
- $901,900
- Assessment growth
- +132.1 %2013 → 2026
- Land
- 432 m²
1065-1067 Avenue O'brien
Saint-Laurent borough · Montréal- Municipal assessment
- $1,013,600
- Assessment growth
- +132.0 %2013 → 2026
- Land
- 329 m²
- Construction
- 1949
1073-1075 Avenue O'brien
Saint-Laurent borough · Montréal- Municipal assessment
- $746,200
- Assessment growth
- +132.0 %2013 → 2026
- Land
- 329 m²
- Construction
- 1925
1080 Avenue O'brien
Saint-Laurent borough · Montréal- Municipal assessment
- $980,500
- Assessment growth
- +137.0 %2013 → 2026
- Land
- 370 m²
- Construction
- 1959
1085 Avenue O'brien
Saint-Laurent borough · Montréal- Municipal assessment
- $596,600
- Assessment growth
- +126.6 %2013 → 2026
- Land
- 329 m²
- Construction
- 1947
1090 Avenue O'brien
Saint-Laurent borough · Montréal- Municipal assessment
- $764,900
- Assessment growth
- +146.7 %2013 → 2026
- Land
- 370 m²
- Construction
- 1941
1095-1097 Avenue O'brien
Saint-Laurent borough · Montréal- Municipal assessment
- $758,300
- Assessment growth
- +132.0 %2013 → 2026
- Land
- 329 m²
- Construction
- 1924
1100 Avenue O'brien
Saint-Laurent borough · Montréal- Municipal assessment
- $642,600
- Assessment growth
- +136.4 %2013 → 2026
- Land
- 369 m²
- Construction
- 1941
1105 Avenue O'brien
Saint-Laurent borough · Montréal- Municipal assessment
- $532,300
- Assessment growth
- +126.6 %2013 → 2026
- Land
- 304 m²
- Construction
- 1949
1115 Avenue O'brien
Saint-Laurent borough · Montréal- Municipal assessment
- $611,600
- Assessment growth
- +126.6 %2013 → 2026
- Land
- 329 m²
- Construction
- 1948
1120 Avenue O'brien
Saint-Laurent borough · Montréal- Municipal assessment
- $929,900
- Assessment growth
- +126.6 %2013 → 2026
- Land
- 553 m²
- Construction
- 1944
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.
Related local pages
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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.
