General owner-builder's licence – Subclasses

A general owner-builder's licence is required for any owner-builder whose main activity consists of organizing, coordinating, carrying out, or having carried out, in whole or in part, construction work that is authorized by one of the following 9 subclasses.

• 1.2 - Contractor – Small buildings
• 1.3 - Contractor – All buildings
• 1.4 - Contractor – Roads and mains
• 1.5 - Contractor – Civil engineering structures
• 1.6 - Contractor – Underwater civil engineering
• 1.7 - Contractor – Telecommunications, transformation and distribution of electric power
• 1.8 - Petroleum equipment installation
• 1.9 - Contractor – Mechanical lifts
• 1.10 Contractor – Mechanical lifts

If you are unsure which subclass(es) are required for the work you are planning, consult the Keyword index [Fr] or the Schedule I of the List of Licence Subclasses – PDF (109 KB).

Subclass 1.3 limited

Regulation respecting the professional qualification of contractors and owner-builders

• 4041 Residential buildings, Class I: This subcategory includes construction work in respect of buildings of a building height of 4 stories or less, not covered by the Regulation respecting the guarantee plan for new residential buildings, (O.C. 841-98), and intended to be used mainly for residential purposes and similar or related construction work.
• 4043 Maintenance, renovation, repair and alteration of residential buildings: This subcategory includes the construction work to maintain, renovate, repair and alter, in whole or in part, residential buildings including the construction of small additions with respect to the building as a whole.
• 4047 Building removal: This subcategory includes preliminary underpinning work, transportation, installation and restoration of buildings and similar or related construction work.
• 4050.1 Public, commercial and industrial buildings, Class I: This subcategory includes the construction work for buildings having a building height of 4 storeys or less designed mainly for public service, government and commercial use and for light industry and similar or related construction work.
• 4050.2 Shelters, all types: This subcategory includes the construction work for prefabricated shelters, greenhouses and similar constructions designed mainly for public service, government and commercial use and for light industry and similar or related construction work.

Exemptions