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Cadastre (Quebec)

The cadastre is the set of cadastral plans, prepared under Quebec’s Cadastre Act, on which immovables are identified by lot numbers. The Minister has a cadastral plan prepared for the first immatriculation of an immovable in a registration division, and under the Civil Code of Québec the index of immovables contains one land file for each immatriculated immovable on the cadastral plan.

A buyer of Quebec real property, or of a business that owns it, meets the cadastre when the lot number in a deed or the land register has to be matched to the property being sold. See land transfer tax when a business purchase includes property in Quebec for another step in a Quebec property purchase. This entry covers Quebec’s Cadastre Act and Civil Code only.

How the cadastre is used

The Government of Québec describes an immatriculated immovable as one identified by a lot number. The Civil Code provides that the index of immovables contains one land file for each immatriculated immovable on the cadastral plan for the registration division (article 2972.1). In an application under the Code’s chapter on the registration of addresses, it is sufficient to describe an immovable by the lot number assigned to it in the cadastre or the number of its land file (article 3023.1). Under article 977, the limits of land are determined by the titles, the cadastral plan and the boundary lines, among other indications.

Corrections

Under section 4.1 of the Cadastre Act, the Minister may correct a plan or a book of reference where the Minister believes that the cadastral designation, including the numbering, is erroneous or is a source of error or confusion. Ask the notary or lawyer handling the file whether the lot number in the deed matches the cadastral designation.

Sources

This definition is checked against primary sources. Links were last confirmed on the dates shown.

  1. 01
    Government of Québec (LegisQuébec)Government
    Cadastre Act, CQLR c C-1
    legisquebec.gouv.qc.ca·Checked Oct 25, 2026
  2. 02
    Éditeur officiel du QuébecGovernment
    CCQ-1991 - Civil Code of Québec
    legisquebec.gouv.qc.ca·Checked Aug 16, 2026
  3. 03
    Gouvernement du Québec (Registre foncier du Québec)Government
    Historique d’une propriété
    quebec.ca·Checked Oct 25, 2026

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