Datasets / Longueuil

City · ready-to-buy file

Longueuil: rental buildings with 12 units or more

All 706 multifamily buildings in Longueuil, with their owners and decision-makers, in one structured, sourced and ready-to-use file.

Launch price

389 $~~549 $~~

Launch price in CAD, plus taxes · regular price $549

706buildings

22,062units

$3.86Bassessed value

423distinct owners

Excel file ready to filter, no macros
Dashboard and consolidated Owners tab
User licence in your name
Purchase through Gumroad: the Excel file is available to download after payment confirmation

Specifications

Exactly what this file contains

Territory	City of Longueuil
Threshold	Buildings with 12 or more units
Construction years	All construction years
Unknown years	None
Version	Pro version · data v1.1 · October 2026
Volumes	706 buildings · 22,062 units · 423 distinct owners · 69 buildings with 50+ units
Owners	67% companies · 105 owners of several buildings · 71% have their address outside the territory
Business contact details	Business phone for 242 buildings, email for 168, LinkedIn for 184. No personal contact details of individuals.
Company executives	Identified for 84% of owner companies
Links to assessment roll sheets	When published by the municipality
What you receive	Excel file (Pro version): dashboard, Buildings tab, Owners tab with grouped portfolios, column dictionary, outreach tracking columns, licence of use and compliance notice.
Sample	Free, on request, so you can judge the format before buying.
Price	$389 CAD, plus taxes (launch price; regular price $549)
Ordering and delivery	Payment through Gumroad; download the Excel file after payment confirmation.
Licence	Non-exclusive business licence

Known limitations

No specific limitations reported

Years and values are those recorded on the assessment roll; contact details appear only when they are business-related and public.

At a glance

The 706 buildings with 12+ units in Longueuil, in one usable file

Buildings with 12 units or more listed on the assessment roll, enriched with the owner, the decision-maker and their business contact details.

706buildingswith 12 units or more on the Longueuil assessment roll

22,062units31.2 units per building on average

$3.86Bassessed value$174,848 per unit on average

423distinct owners67% of which are companies

Why it matters: most of these buildings are not for sale today. The file lets you identify and approach their owners directly, ahead of the market.

Source: City of Longueuil property assessment roll and Quebec Enterprise Register (REQ); processing by Invest Smart Data.

The stock

53% of buildings have 12 to 19 units, and 73% were built between 1960 and 1979

Buildings by number of units

12 to 19

374 · 53%

20 to 49

263 · 37%

50 to 99

35 · 5%

100 +

34 · 5%

The largest building has 414 units.

Buildings by construction period

Before 1960

1960–69

1970–79

424

1980–89

1990–99

2000–09

2010 +

Median year built: 1975. 86% of buildings were built before 1990.

Source: City of Longueuil property assessment roll and Quebec Enterprise Register (REQ); processing by Invest Smart Data.

The owners

71% of owners have an address outside Longueuil

71%of owners have an address outside LongueuilBased on the address on the roll: a useful angle for a purchase offer or a management mandate.

105owners hold several buildingsTheir portfolio within the covered area is grouped and totalled in the file.

25%of units are held by the 10 largest ownersA concentrated market: a few contacts open access to a large share of the stock.

599 / 706buildings have an identified decision-makerName and role of the person to contact, backed by the REQ for companies.

In the file: the Owners tab consolidates each portfolio (buildings, units and total assessed value) and shows whether the owner’s address is outside Longueuil.

Source: City of Longueuil property assessment roll and Quebec Enterprise Register (REQ); processing by Invest Smart Data.

What’s inside

Documented columns, organized into five blocks

Not just an address: the building, its value, its owner, the person who decides and the source of every data point.

Building

Full address and street
Cadastral lot number
Google Maps link
Link to the assessment roll sheet, depending on the municipality

Building and assessment

Units, storeys, building type
Year built
Land area and floor area (sq ft)
Land, building and total value
Value per unit

Owner

Name on the assessment roll
Company or individual
Mailing address
Out-of-town owner
Buildings and units held in the city

Decision-maker and contact details

Identified executive and their role
Business phone, email and LinkedIn, when available
Contact reliability level

Traceability and follow-up

Sources and NEQ (Quebec business number)
Analyst notes: mixed use, multiple lots, seniors’ residences…
Update date
Columns to track your outreach

Format preview

The Longueuil file follows exactly the same format. Example: three real rows from the Granby file, with names and contact details masked.

Address	Units	Storeys	Year	Floor area	Assessed value	Owner	Portfolio	Decision-maker	Contact details	Reliability	+ 28 columns
500, montée des S••••	101	10	2003	198,752 sq ft	17 697 000 $	Immeubles G•••• inc.	6 buildings	President	Phone (450) 372-••••	High	…
105, boul. L•••• Est	108	8	1988	141,685 sq ft	16 953 000 $	J.P. D•••• inc.	3 buildings	President	Phone + email · NEQ	Medium	…
363-369, boul. L•••• Ouest	12	2	1952	8,612 sq ft	1 226 000 $	B•••• Multi-logements inc.	5 buildings · head office in Montreal	President	Phone + email + LinkedIn · NEQ	High	…

Content preview, reconstructed from the Granby file and anonymized: 11 columns shown. Only companies appear in this extract; personal contact details of individuals are never shared.

A ready-to-work file, not just a list

Excel file (.xlsx), in French. Structure documented in each file, with links to assessment roll sheets when the municipality publishes them.

DashboardKey indicators for the building stock, ready to read
BuildingsOne row per building
OwnersEach portfolio grouped, even when names are listed in a different order
Data dictionaryThe definition and source of every column
Outreach trackingContact status and notes, right in the file
License of useClear terms, no surprises
Compliance noticeSources, purpose and Quebec Law 25 compliance

Method

Every row is sourced, verified and rated with a confidence level

Inventory

Extraction of every building with 12 units or more from the Longueuil assessment roll.

Identification

Registered owner, then directors and NEQ from the Quebec Enterprise Register.

Enrichment

Search for the decision-maker’s business contact details in public sources.

Qualification

Each contact detail receives a confidence level and a documented source.

Control

Duplicates, consistency, outliers and compliance checked before delivery.

HighConfirmed by an official source or several consistent sources.

MediumPlausible but partially confirmed (indirect contact).

Not foundNot enough evidence: the cell stays empty rather than being filled at random.

“Quality before quantity. A missing value, clearly flagged, is more useful than a value filled in without proof.”

Compliance

Built for professional, compliant prospecting

Personal contact details of individuals have been removed. You prospect decision-makers, not households.

What the file contains

For companies: contact details of the company or its executive, in their professional role
For individuals: only the name and address listed on the public roll
No personal phone, email or profile shared

What governs its use

User licence: internal use by a single company, resale prohibited
Reminder of obligations: Quebec Law 25, Canada’s Anti-Spam Legislation, National Do Not Call List
Data removal on simple request

What ensures traceability

Source and NEQ shown for each row
Collection and verification dates
Compliance notice attached to the file

Who it’s for

A concrete starting point to prospect, acquire or offer your services

Real estate brokers

Build a targeted prospecting plan and win off-market listings.

Investors & funds

Spot acquisitions and approach owners before properties are listed.

Developers

Identify land and buildings with redevelopment potential.

Managers & service providers

Offer management, renovation, financing or insurance to the right contacts.

Longueuil · 706 buildings

Get the Longueuil file for $299

Launch price for a limited time (regular price $499). Not sure yet? Ask for a free sample of 12 buildings.