Is a residential construction contractor required to have an RBQ licence and GCR accreditation in Quebec?

Yes. Under the Loi sur le bâtiment (L.R.Q., c. B-1.1), any contractor performing construction work in Quebec for remuneration must hold a valid licence from the Régie du bâtiment du Québec (RBQ) in the appropriate subcategory. For new residential buildings covered by the mandatory guarantee plan (single-family homes, semi-detached homes, condos, and multiplexes of up to 5 units), the contractor must also be accredited with the Garantie de construction résidentielle (GCR), the non-profit organization authorized since January 1, 2015 to administer the guarantee plan. Hiring an unlicensed or non-accredited contractor voids the guarantee plan protections.

What does the GCR Guarantee Plan cover for new residential buildings in Quebec?

The GCR Guarantee Plan for new residential buildings covers several protections: (1) advance payments made by the buyer to the contractor are protected up to $50,000; (2) if the contractor defaults, the plan guarantees the completion of the construction; (3) apparent defects and poor workmanship reported at the time of delivery or within one year are covered; (4) hidden defects not apparent at delivery are covered for 3 years; (5) major structural defects causing loss of the work are covered for 5 years (aligned with art. 2118 C.c.Q.). The plan applies to new residential buildings with one to five units and new condominiums.

What is the difference between the 5-year and 1-year warranties under Quebec construction law?

Under the Civil Code of Quebec, article 2118 provides a 5-year statutory warranty covering the loss of the work due to defects in design, construction, or soil. This covers major structural issues that compromise the integrity of the building. Article 2120 C.c.Q. provides a separate warranty on workmanship and materials for a reasonable period (typically 1 year), covering defects in the quality of the contractor's work that do not rise to the level of the art. 2118 warranty. The GCR guarantee plan provides additional protection layered on top of these statutory warranties, with specific coverage periods and procedures for each type of defect.

Can a property owner terminate a residential construction contract in Quebec?

Yes. Article 2125 of the Civil Code of Quebec gives the client (owner) an absolute right to terminate a contract of enterprise at any time, even after work has begun. However, this right comes with significant financial consequences: the owner must compensate the contractor for all expenses incurred, the value of work performed to date, and the loss of anticipated profit on the unperformed portion of the contract. This right cannot be contractually limited, as it is a provision of public order (art. 2126 C.c.Q.). A termination clause that attempts to exclude this right would be void.

What is the legal holdback requirement for residential construction in Quebec?

While Quebec does not have a mandatory holdback statute equivalent to some common law provinces, it is standard practice to retain 10% of each progress payment until 30 days after the certificate of completion. This holdback protects the owner against construction liens (hypothèques légales de la construction) that may be registered by unpaid subcontractors or suppliers within 30 days of completion under art. 2726 C.c.Q. The GCR guarantee plan also recommends retaining a final payment until after the inspection of the completed work and the resolution of any deficiencies noted at the time of delivery.

What happens if a subcontractor places a construction lien on a property in Quebec?

In Quebec, unpaid subcontractors, suppliers, and workers have the right to register a legal hypothec (hypothèque légale de la construction) on the property they contributed to, within 30 days of completion of the work (art. 2726 C.c.Q.). This hypothec gives the creditor a security interest in the property. The property owner can protect themselves by withholding a final payment until 30 days after completion (to cover any potential liens), verifying that the general contractor has paid all subcontractors before releasing the final payment, and demanding statutory declarations of no liens from the contractor.

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Residential Construction Contract (Quebec)

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Create a legally compliant Quebec residential construction contract under articles 2098-2129 of the Civil Code of Quebec, the Loi sur le bâtiment, and the GCR Guarantee Plan for new residential buildings. This contract covers RBQ licensing requirements, GCR accreditation, statutory warranties under arts. 2118 and 2120 C.c.Q. (5-year structural defects warranty, 1-year workmanship warranty), payment schedule with holdbacks, construction milestones, force majeure, and the owner's right to terminate under art. 2125 C.c.Q.

What Is a Residential Construction Contract (Quebec)?

A Quebec residential construction contract (contrat de construction résidentielle) is a comprehensive legal agreement governed primarily by articles 2098 to 2129 of the Civil Code of Quebec (C.c.Q.), which define the contrat d'entreprise ou de service, as well as by the Loi sur le bâtiment (L.R.Q., c. B-1.1) and the Règlement sur le plan de garantie des bâtiments résidentiels neufs (D. 841-98). This contract establishes the rights and obligations of the property owner (client) and the general contractor for the construction of new residential buildings in Quebec, including single-family homes, semi-detached residences, multiplexes, and new condominium units. What makes the Quebec residential construction contract distinctive is its integration with a mandatory statutory guarantee framework unique in Canada. Since January 1, 2015, new residential buildings in Quebec must be built by contractors accredited with the Garantie de construction résidentielle (GCR), a non-profit organization authorized by the Quebec government to administer the Guarantee Plan for New Residential Buildings. This plan provides layered protections for homebuyers and owners, covering advance payments up to $50,000, completion of construction in case of contractor default, apparent defects reported at delivery, hidden defects within three years, and major structural defects for five years. This five-year warranty is aligned with the statutory warranty under art. 2118 C.c.Q., which imposes joint and several liability on contractors, architects, engineers, and other construction professionals for any loss of the work resulting from defects in design, construction, or the soil. The contract also captures the art. 2120 C.c.Q. warranty on workmanship and materials, which covers quality defects in the construction work for a reasonable period — typically one year from the acceptance of the work. Together, these statutory warranties and the GCR guarantee plan provide Quebec residential construction owners with some of the strongest legal protections for new home construction in North America.

When Do You Need a Residential Construction Contract (Quebec)?

A Quebec residential construction contract is needed whenever a property owner retains a general contractor to build a new residential building on their land. This includes the construction of brand-new single-family homes, semi-detached houses, cottages, small multiplexes (2 to 5 units), and new condominium units. The contract is an absolute legal requirement when the construction involves a mandatory GCR guarantee plan, as the plan's coverage is triggered by the existence of a written contract between the accredited contractor and the owner. Without a proper written contract, owners may find it difficult to enforce their rights under the guarantee plan and the statutory warranties. The residential construction contract is also needed for major additions to existing dwellings that result in the creation of new living space, substantial renovations that involve the reconstruction of structural elements, and the construction of secondary suites or garden suites (garages secondaires or logements accessoires). Any time a property owner invests significant capital in new residential construction and wishes to protect their deposit payments, establish clear payment milestones, document the scope of work, ensure compliance with RBQ and GCR requirements, and have a legally enforceable document in case of disputes with the contractor, a comprehensive residential construction contract is essential. Quebec's construction environment is heavily regulated, and the contract serves as the foundational document that aligns the parties' expectations, documents the applicable warranties, and provides the legal framework for addressing delays, defects, and unforeseen circumstances during the construction process.

What to Include in Your Residential Construction Contract (Quebec)

A comprehensive Quebec residential construction contract must include numerous essential elements to protect both the owner and the contractor and comply with applicable laws. First, the complete identification of the owner and contractor is required, including the contractor's RBQ licence number and GCR accreditation number — these are mandatory credentials for new residential construction in Quebec. Second, the construction site must be precisely identified with the full municipal address and cadastral description. Third, the type of residential construction must be specified, as different categories attract different regulatory requirements and guarantee plan coverage. Fourth, the scope of work must be described in detail, with reference to the architectural plans and engineering specifications that form part of the contract. Fifth, the construction timeline must be established with a start date, key milestones, and a completion date, along with provisions for force majeure delays as defined under art. 1470 C.c.Q. Sixth, the total contract price must be stated clearly, along with a detailed payment schedule tied to construction milestones, the applicable taxes (TPS and TVQ), and a holdback provision to protect against construction liens (hypothèques légales) under art. 2726 C.c.Q. Seventh, the GCR guarantee plan details must be incorporated, including the certificate number and the coverage for advance payments, completion, defects, and structural warranties. Eighth, the statutory warranties under arts. 2118 and 2120 C.c.Q. must be explicitly stated and explained. Ninth, the process for work acceptance and final inspection (réception de l'ouvrage) must be defined. Tenth, the obligations of both parties must be enumerated, covering the contractor's obligations under arts. 2099-2105 C.c.Q. and the owner's obligations under art. 2106 C.c.Q. Finally, a bonne foi clause under art. 1375 C.c.Q. and a governing law clause referencing the applicable Quebec statutes must be included.

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