Rules to follow

• You must check to see if increasing the floor area is allowed for the planned use. Some uses, in particular those operating as an acquired right, have limitations.
• You must comply with the maximum site coverage of the building on the parcel
• Make sure that the use is authorized if you are adding building height
• To modify the appearance of an existing building, check to see if the project complies with the regulation for the zone where it is located
• The enlargement of a building may require an increase in the number of parking spaces or the creation of loading units, depending on use

Before starting your project, contact the permit counter to verify the rules applicable to your situation.

Permit fees

Processing fees for permit applications vary based on the projected cost of the work. You will be required to pay $9.80 for every $1,000 of work.

Regardless of the amount of work, you will be required to pay a minimum of $473 for a commercial, industrial, institutional or mixed-use building.

The cost estimate must include all expenditures related to the work, including plans, labour, equipment, etc. including taxes.

The fees are non-refundable.

• Règlement d'urbanisme de l'arrondissement Ahuntsic-Cartierville (01-274)

Information coming soon.

You can apply online, but before beginning your application, get in touch with the permit counter to find out what you need to do. 

Permit validity

A permit is valid for six months following the beginning of the work to be done, which must begin no later than 12 months after the date of issuance.

Otherwise, the permit must be renewed once work resumes.

Fees

You must pay $9.80 per $1,000 of work, with a minimum of $473.

The estimation of costs must include all fees for the projected work and for the professionals who will prepare the plans, taxes included.

As well, additional fees may apply if your building or the area where it is located has historic value or is subject to special architectural standards. 

Fees are non-reimbursable.

Information coming soon.

Information coming soon.

Information coming soon.

You must get a permit before beginning your project. 

Applicable standards

A number of standards, criteria and objectives must be met in order for your expansion project to be authorized. Up to 15 regulations may apply. Whether it’s a question of site ratio, height, use, park fees or connection to public networks, a permit application will confirm that your building can be expanded in compliance with all applicable standards. 

Before you begin your project, you can check the interactive map (in French). Just enter the address in the search bar and select the “Zonage and PIIA” (“Zoning and SPAIP”) tab). Then, visit the permit counter or send us an e-mail to find out about applicable standards and regulations. It is the project designers’ responsibility to ensure that all by-laws, standards and regulations are observed. 

Required documents

The following documents are required for the preliminary review of your application:

• Certificate of location 
• Building data sheet (exempt (in French) or non exempt (in French)) 
• Architectural plans (existing and projected plans, elevations of facades, cross-sections and longitudinal sections, complete plans of all levels specifying the function of each room, any other plans relevant to the application) 
• Estimates, including taxes and professional fees 
• Power of attorney (if application is submitted by an individual other than the owner) 
• Resolution from the board of directors (if application is submitted by a legal entity) 

 Applications cannot be processed without all required documents and payment of the permit review fee. 

Additional documents, related permits and financial contributions may be required to evaluate the project. 

Certain expansion projects are subject to a SPAIP evaluation by the urban advisory committee. To check whether your project is affected by this by-law, please consult the borough’s By-law concerning site planning and architectural integration (in French) 

Examples of additional documents: 

• Draft site plan prepared by a land surveyor 
• Structural plans signed and sealed by an engineer 
• Mechanical plans (plumbing, ventilation, electricity, fire lines) 
• Storm water management plan 
• Acoustic review 
  • Mechanical equipment on the roof (articles 428.1 et 428.2 of the Le Sud Ouest urban planning by-law - 01-280 (in French) ) 
  • Occupancy of premises with sound equipment that may cause noise pollution pursuant to the By-law concerning noise - B3) 
• Green roof data sheet (buildings covered by articles 27.1 and 27.2 of the By-law concerning the construction and conversion of buildings (11-018)) 
• Contaminated soil rehabilitation plan 
• Landscape development plan (in French) 

Some examples of related permits 

• Excavation permit near public property 
• Water and sewage connection 
• Occupancy of public property 
• Tree felling certificate 
• Occupancy certificate 
• Commercial sign permit 
• Pool certificate 
• Subdivision permit 
• Preliminary review 
• Commission des Services Électriques de Montréal (CSEM) 

Examples of financial contributions and other additional costs: 

• Market value appraisal costs for park fees (in French) 
• By-law for a diverse metropolis financial contribution (when land or affordable housing is not involved) 
• Redevance ARTM royalties (in French) 
• Curb cuts for driveways (addition and/or removal) 
• Add a street number 
• Fees associated with other related permits (felling, pool, occupation, sign, excavation or cutting, permanent occupancy of public property, etc.) 

The permit must be prominently displayed on site for the duration of the project. 

Fees 

The cost to review a permit application varies depending on the cost of your project. You must pay $9.80 for each $1,000 of work being carried out. 

No matter the cost of your project, you must pay at least: 

• $161 for a residential building 
• $473 for a commercial, industrial or institutional building 

The cost estimate must include all expenditures related to the work, including plans, labour, equipment, etc. including taxes.

Additional fees may apply if your building, or the area in which it is located, has historical value or is subject to special architectural standards. 

Fees are non-reimbursable. 

Permit validity period 

Permit validity varies depending on the type of construction work. Several conditions must be met. 

The permit is no longer valid if: 

• Construction has not begun within 12 months of the permit’s date of issue, or within 18 months in the case of a building more than 4 storeys high or with a building area exceeding 2,000 square metres. 
• Construction is interrupted for more than 6 months. 

Construction must be completed within 18 months of the permit issue date, or within 24 months in the case of a building more than 3 storeys high or with a building area exceeding 600 square metres. 

Permit renewal 

The permit validity period can be extended if: 

• The project has not started. 
• The renewal application is submitted before the validity period expires. 

Renewal fee: 25 % of the cost of the original permit. 

The processing fees are not taxable, but taxes are calculated in the projected cost of the work. 

Learn more 

For additional information, contact the permit counter.

In person

• By-law amending the By-law concerning connections to the waterworks and sewer systems and storm water management (20-030) (20-030-3)
• By-law concerning park fees
• By-law concerning noise
• By-law concerning noise By-law concerning the construction and conversion of buildings
• By-law concerning the sanitation and maintenance of dwelling units
• Urban planning by-law
• By-law concerning site planning and architectural integration plans (in French)
• By-law concerning fees (in French)
• Construction code
• Architects Act

Information coming soon.

Before starting your project, contact your permit counter for more information.

You must obtain a permit before starting work.

Apply

Before starting your project, contact your permit counter for details about the steps to follow and documents to provide.

Fees

The cost to analyze a permit request varies as a function of the estimated work project cost. You must pay $9.80 for each $1000 amount of work.

If approval for a Site Planning and Architectural Integration Plan (SPAIP) is required, supplementary fees are added to the cost of the construction permit.

In person

You can go to your permit counter and submit your application together with all the required documents. You can also send your documents online.

Your application must include:

• A description of the project’s uses and the buildings involved
• The lot numbers 
• The name, address and telephone number of the owner, architect, engineer and any other designer or contractor
• A description and estimated value of the proposed work

Fees

• New construction, per local: $9.80 for every $1,000 of work with a minimum of $990
• Enlargment: $9.80 for every $1,000 of work with a minimum of $498.

The estimated value of the work must be at least:

• $1,733 per square metre of floor area for a commercial building
• $1,122 per square metre of floor area for an industrial building.

• PDF file Fiche bâtiment exempté 2020 (in French) [PDF 761 KB]
• PDF file Fiche bâtiment non exempté 2020 (in French) [PDF 651 KB]

• By-law concerning building construction and conversion (in French)

Information coming soon.

You must get a permit before you begin your expansion project. Make an appointment with the permit counter to apply and pay the fee. 

Make sure you provide all required documents. 

Important standards

• You must check to see if increasing the floor area is allowed for the planned use. Some uses, in particular those operating as an acquired right, have limitations.
• You must comply with the maximum site coverage of the building on the parcel.
• Please see the specifications grid for the zone in which the building is located, especially the standards that apply to the building and its layout (zoning). 
• The enlargement of a building may require an increase in the number of parking spaces or the creation of loading units, depending on use.

Before starting your project, contact the permit counter to verify the rules applicable to your situation.

Permit fees

Processing fees for permit applications vary based on the projected cost of the work. You will be required to pay $9.80 for every $1,000 of work.

Regardless of the amount of work, you will be required to pay a minimum of $473 for a commercial, industrial, institutional or mixed-use building.

The cost estimate must include all expenditures related to the work, including plans, labour, equipment, etc. including taxes. The fees are non-refundable.

Required documents

Here are the main documents required :

• Certificate of location
• Scaled plan of the projected building site coverage and its enlargement
• Scaled elevation plans of all exterior walls
• Complete plans for all levels, specifying the use of rooms
• Details about the proposed materials and colours, indicated on the plans
• Technical sheets for materials
• Building technical sheet
• Structural plans prepared by an engineer
• Detailed submission for all work and costs related to the project

Information coming soon.

Please make an appointment with your permit counter and submit your application along with all required documents.

Fees

You must pay $9.80 per $1,000 of work with a minimum of $498.

Validity period of the permit 

A permit is valid for a period of 12 months following the start of the work, which must begin within three months after the date the permit is issued. 

If the permit expires, it must be renewed before work can resume.

By phone

• Zoning by-law (in French)
• By-law concerning fees (in French)
• By-law concerning fees (in French)

You must submit your application at the permit counter, along with all required documents.

Your application must include:

• A description of the project’s uses and the buildings involved
• The lot numbers 
• The name, address and telephone number of the owner, architect, engineer and any other designer or contractor
• A description and estimated value of the proposed work

Fees

You must pay $9.80 for every $1,000 of work with a minimum of $498.

The estimated value of the work must be at least:

• $1,733 per square metre of floor area for a commercial building
• $1,122 per square metre of floor area for an industrial building.

• PDF file Fiche bâtiment exempté 2020 (in French) [PDF 761 KB]
• PDF file Fiche bâtiment non exempté 2020 (in French) [PDF 651 KB]

• Zoning by-law (in French)
• By-law concerning building construction and conversion (in French)
• By-law concerning fees (in French)

You can apply online, but before beginning your application, get in touch with the permit counter to find out what you need to do. 

Permit validity

A permit is valid for six months following the beginning of the work to be done, which must begin no later than 12 months after the date of issuance.

Fees

You must pay $9.80 per $1,000 of work, with a minimum of $473.

The estimation of costs must include all fees for the projected work and for the professionals who will prepare the plans, taxes included.

As well, additional fees may apply if your building or the area where it is located has historic value or is subject to special architectural standards. 

Fees are non-reimbursable.

Required documents

The following documents are required to process your application:

• Certificate of location
• Building specification sheet
• Professional quality plans bearing an architect’s seal and signature that illustrate the current situation and the projected situation:
• Quote or estimation grid for the costs of work, taxes included 
• Plans, illustrations and/or cuts that show the projected development 
• Any other document required to process the application

If your work affects the building’s structure:

• Structure plans signed and sealed by an engineer

If work takes place in a co-owned building:

• Letter of authorization from each of the co-owners or a resolution from the condominium syndicate. 

If you are a representative:

• Power of attorney authorizing you to act on behalf of the owner

For all types of building expansions and extensions, contact the permit counter to find out which regulations apply. Find out which standards must be met when renovating the interior of a building. 

If you’re expanding a building, you’ll also need to comply with the following urban planning standards: 

• Height 
• Density (floor area index) 
• Rate and type of siting 
• Building alignment and setbacks 
• Building appearance 
• Environment and sustainable development 
• Uses 
• Waste management and sanitation 
• Parking 

These parameters vary depending the scale of the expansion project and particularly, on the sector where the building is located. For more information on the standards applicable to a particular sector, please see our interactive map.

In person

You can apply online, but before beginning your application, get in touch with the permit counter to find out what you need to do. 

Fees

You must pay $9.80 per $1,000 of work, with a minimum of $498.

The estimation of costs must include all fees for the projected work and for the professionals who will prepare the plans, taxes included.

As well, additional fees may apply if your building or the area where it is located has historic value or is subject to special architectural standards. 

Fees are non-reimbursable.

Permit validity

A permit is valid for six months following the beginning of the work to be done, which must begin no later than 12 months after the date of issuance.

Otherwise, the permit must be renewed once work resumes.