Overview

This chapter examines the legal framework governing land use, building construction, and property renovation in Quebec. Real estate professionals must understand how municipal planning tools, provincial construction standards, and private law obligations interact. The material covers zoning by-laws, the urban plan, building permits, legal non-conforming (grandfathered) uses, minor variances, and the duties of owners, contractors, and brokers regarding disclosure of irregularities. Mastery of these concepts is essential for advising buyers and sellers, assessing property risks, and ensuring transactions comply with regulatory requirements.

Key Concepts Explained

Zoning By-laws

A zoning by-law is a municipal regulation that divides the territory into zones and establishes mandatory standards for each zone. It has the force of law within the municipality’s boundaries. Key elements regulated by a zoning by-law include:

Permitted uses – e.g., single-family residential, commercial, industrial, agricultural. A use not listed in a zone is generally prohibited.
Density – maximum number of dwellings per hectare or floor area ratio.
Height – maximum building height, often in metres or storeys.
Setbacks – minimum distances from property lines, streets, or watercourses.
Building footprint – maximum lot coverage.

A property owner must comply with all applicable standards. Compliance with one provision (e.g., density) does not excuse non-compliance with another (e.g., height). Zoning by-laws do not regulate real estate prices – those are determined by market forces and private agreements.

When purchasing a property for a specific use (e.g., a dental office), the buyer must verify that the intended use is permitted in the zone before signing the deed. If the use is not allowed, the municipality may refuse a permit, and the buyer may be unable to operate legally.

Urban Plans

The urban plan (also called the master plan in some municipalities) is a broad planning document that sets out the municipality’s long-term vision for land use, transportation, housing, parks, and infrastructure. It is a policy document, not a set of directly enforceable rules for citizens. The zoning by-law translates the urban plan’s vision into specific, enforceable standards.

Key difference:

Urban plan = strategic vision, requires public consultation before adoption or amendment.
Zoning by-law = operational rules, directly binding on property owners.

Building Permits and the Construction Code

A building permit is a municipal authorization required for most major construction, renovation, or alteration work (e.g., extensions, decks, structural changes). The permit verifies that the proposed work complies with the zoning by-law and the Construction Code (provincial technical standards).

Simple exterior painting generally does not require a permit, unless the property is located in a heritage site or an area where a municipal by-law governs exterior appearance.

Contractor obligations:

Beyond obtaining the municipal permit, the contractor must:

Respect the technical standards of the Construction Code.
Hold an appropriate licence from the Régie du bâtiment du Québec (RBQ) for the type of work (e.g., major renovations, electrical, plumbing).

Failure to comply can result in stop-work orders, fines, and orders to demolish or modify the work.

Legal Non-Conforming Uses (Grandfathered Uses)

When a zoning by-law changes to prohibit a use that previously existed, the existing use may be permitted to continue as a legal non-conforming use (commonly called a “grandfathered” use). This right is not permanent if the use is interrupted or abandoned.

Abandonment period:

Most municipal by-laws provide that a legal non-conforming use is lost if it ceases for a specified period – commonly 6 months (though the exact period depends on the by-law). After that, the use must conform to current zoning. An owner who ceases operations for 8 months, for example, will likely lose the grandfathered status.

Minor Variances and Exemptions

A minor variance (also called a “minor exemption” in some contexts) is a procedure that allows an owner to obtain a slight departure from a zoning by-law standard (e.g., a height of 12 m where the limit is 10 m). The municipality may grant it only if all three criteria are met:

The variance must be minor in nature.
It must respect the objectives of the urban plan.
It must not cause serious harm to neighbouring properties.

Criteria such as tax amount or length of residency are not legally relevant. The decision is made by the municipal committee on minor variances (often the “Committee on Adaptation” or similar body), considering the specific circumstances of the property.

Easements and Private Law Constraints

Zoning by-laws are public regulations. However, a property may also be subject to private law restrictions, such as an easement registered in the land registry (e.g., a view easement prohibiting construction that blocks a window).

Which prevails?

Both must be respected. Even if a zoning by-law allows a taller building, the owner must comply with the easement. The municipality issues permits based solely on public regulations; it does not resolve private easement conflicts. A buyer must check both the zoning by-law and the land registry for encumbrances.

Disclosure Obligations for Sellers and Brokers

The seller has a duty of good faith and must disclose any known defect or irregularity that could affect the property’s value or the buyer’s decision. Work done without a permit may constitute a latent defect – a hidden problem that renders the property unfit for its intended use or diminishes its value.

Seller’s duty: If the seller knows of an unpermitted extension or renovation, they must inform the buyer. Concealing it can lead to legal action for latent defect.
Broker’s duty: The broker must advise the seller to investigate whether the work can be regularized (e.g., by obtaining an after-the-fact permit or confirming acquired rights) and must ensure the information is disclosed to prospective buyers.

After-the-fact permit: In some cases, the municipality may issue a permit for work already completed if it meets current standards. This is not guaranteed, especially if the work violates zoning or the Construction Code.

Condominium Renovations

In a divided co-ownership (condominium), renovations to a private unit may require authorization from the syndicate of co-owners, particularly if the work affects:

Common areas (e.g., walls, floors, plumbing, electrical systems)
The exterior appearance of the building
The intended use of the unit

A buyer should verify that past renovations were properly authorized and that permits were obtained when required. Unauthorized work can lead to disputes and costs.

Important Regulations, Procedures, and Professional Obligations

The Act Respecting Land Use Planning and Development

This provincial statute governs municipal planning in Quebec. Key provisions include:

Public consultation: Before adopting or amending an urban plan, the municipality must hold public consultation (e.g., a public meeting or hearing). This allows citizens to express their views before the council votes.
Minor exemption criteria: Section 145.1 (or similar) sets out the three conditions for a minor exemption: minor nature, respect for the urban plan’s objectives, and no serious harm to neighbours.
Zoning by-law enforcement: Municipalities are primarily responsible for enforcing their own zoning by-laws. The RBQ intervenes mainly for contractor qualifications and safety standards under the Construction Code.

Building Permit Procedure

The owner or contractor submits plans and specifications to the municipality.
The municipality checks compliance with the zoning by-law and the Construction Code.
If approved, a permit is issued, often with conditions (e.g., inspection schedule).
Work must be performed in accordance with the approved plans. Any deviation – such as building a deck larger than permitted – constitutes a violation.
The municipality can order the owner to modify or demolish non-compliant work, regardless of whether an initial permit was granted.

Acquired Rights and Regularization

Acquired rights (legal non-conforming use): May be recognized if the use existed before a zoning change and has not been abandoned.
Regularization: An owner can attempt to obtain a permit retroactively (after-the-fact permit) if the work complies with current regulations. If not, the owner may need to apply for a minor variance or, in some cases, demolish the structure.

Professional Code of Ethics for Brokers

Real estate brokers must act with integrity, competence, and good faith. Specific obligations relevant to this chapter:

Disclose any known defect relating to zoning or permit irregularities.
Advise clients to obtain legal or municipal advice when necessary.
Not misrepresent the property’s compliance status.

Common Relationships Between Concepts

Zoning By-law ↔ Urban Plan

The urban plan provides the vision; the zoning by-law provides the rules.
A minor variance must be consistent with the urban plan’s objectives, not just the zoning by-law.

Building Permit ↔ Zoning By-law ↔ Construction Code

A building permit checks compliance with both the zoning by-law (use, height, setbacks) and the Construction Code (structural, safety, technical standards).
A project may comply with zoning but still require permit modifications to meet the Construction Code.

Legal Non-Conforming Use ↔ Minor Variance

A legal non-conforming use is a pre-existing right preserved despite a by-law change.
A minor variance is a new permission granted by the municipality for a specific deviation.
Both are limited: the grandfathered use can be lost by abandonment; a minor variance is a one-time exception.

Easement ↔ Zoning By-law

Zoning is public law; easements are private law.
An owner must satisfy both. A municipality will issue a permit if zoning is met, but the owner remains responsible for respecting private restrictions.
A buyer should check both the municipal by-law and the land registry.

Seller’s Disclosure ↔ Latent Defect ↔ Broker’s Duty

An unpermitted renovation is a potential latent defect because it may affect the property’s value or usability.
The seller who knows of the irregularity must disclose it.
The broker must advise the seller on options (regularization, disclosure) and ensure buyers are informed.

Condominium Authorization ↔ Building Permit

Work in a condo may require both a municipal building permit and authorization from the syndicate.
The syndicate’s rules often address changes to common areas, exterior appearance, and use of the unit. A permit does not replace syndicate approval, and vice versa.

This material provides the foundation for understanding how zoning, urban planning, and renovation laws interact in Quebec real estate transactions. Real estate professionals must apply this knowledge to advise clients accurately, avoid legal pitfalls, and uphold their ethical duties.

Chapter 4: Zoning, Urban Planning and Renovation