Built on Montréal and Quebec open data

Montréal property records check before you make an offer

City notices, building permits since 1990, heritage, the assessment roll and neighbourhood records for any Montréal home, gathered in one place and explained in plain words.

Free page for 805,322 addresses Full report $20 Secure checkout with Stripe

Try it with a real Montréal address

Each of these was checked against the records of October 23, 2026.

Explore Montréal boroughs on the map

Pick a borough to see its streets, recent construction and heritage buildings, then open any address for its records.

FewerMoreLinked city

Construction permits issued in the last 2 years

Also in other Quebec cities

Assessed value, welcome tax, flood zones and contaminated sites for every address. Building permits and City notices are not available there yet.

How the Montréal property records check works

Records that normally live on a dozen separate City, provincial and police pages, matched to one lot and explained.

  1. Search the address

    Any house, plex or condo building in the Ville de Montréal.

  2. Read the free page

    What the records flag, the assessed value, the welcome tax estimate, the metro and the street.

  3. Unlock the full report

    Each finding explained, the full permit history, crime nearby, and questions for the seller and the notary, for $20.

What we check for every Montréal address

City notices and right of first refusal

Notices of deterioration registered on the title, the City’s right of preemption and housing inspections.

Building permits since 1990

Every construction, renovation and demolition permit issued by the boroughs, matched to the lot.

Heritage

Protected heritage sites and buildings, and the inventory of buildings built before 1940.

Assessed value and welcome tax

Land and building values on the 2026-2028 roll, the change since the last roll, and an estimate of the welcome tax.

Lead pipes, age and ownership

Year built, likely lead water service lines, number of dwellings and how long the owner has held the property.

Crime, metro and street

SPVM incidents nearby in the full report, metro and bus stops, street trees and land use.

Free address page or full report for $20

Address page · freeKey findings, the assessed value, the welcome tax estimate, the metro and street details for every address.
Full report$20 CAD
What each record means, questions for the seller and notary, the full permit history, crime nearby, and a PDF for your broker. See a sample report.

Montréal property check: questions

Where does the information come from?

From public sources: the Ville de Montréal’s open data (building permits since 1990, assessment units, notices of deterioration, the right of first refusal, housing inspections, heritage sites and inventories, land use, street trees), the Quebec assessment roll published by the Ministère des Affaires municipales et de l’Habitation, and the SPVM. Every finding names its source.

Is this a replacement for a pre-purchase inspection?

No. Records show what was permitted and registered, not the condition of the building. Use the report together with a pre-purchase inspection, the seller’s declaration, the certificate of location and advice from your broker and notary.

How much does the full report cost?

The address page is free. A full report is $20 CAD for one Montréal address; 5 reports cost $75 ($15 each) and 10 reports cost $100 ($10 each), with credits for any address, any time. In Québec, Laval, Gatineau, Longueuil and Sherbrooke the report is shorter and costs less: $10 for one, $35 for 5 and $50 for 10, with credits for addresses outside Montréal only. Paid once by card through Stripe, no subscription.

Does it work for condos and plexes?

Yes. Duplexes, triplexes and other plexes get their own page. For condos we check the building as a whole and list the co-ownership documents to ask for.

All questions