How to request or cancel a civic number (street address)

Last updated January 17, 2024

Would you like to obtain a new a civic number (a municipal street address number) or cancel an existing one – perhaps as a result of construction or renovation work? Here’s how you can do so.

Only the property owner, or his or her agent holding a power of attorney, may submit an application for a civic number.

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You need to apply for a permit to make a civic number (street address) official.

You must request the addition or cancellation of a civic number at the same time as you apply for a building or conversion permit.

Rules to follow

  • A civic number can be cancelled if you want to convert a duplex to a single-family dwelling.
  • In some residential areas, only one basement dwelling unit may be added.

Contact the permit counter to verify the rules applicable to your situation.

Fees (taxes included)

  • New number: $82
  • Cancellation: no charge

The cost of each civic number will be added to the cost of a building or conversion permit application.

Learn more or make an appointment

By phone

514-872-3020

Legislation

You must request the addition or cancellation of a civic number at the same time as you apply for a building or conversion permit.

Make a Request

Go to the permit counter. Once the application has been submitted, an inspector may visit the premises to verify the compliance of the dwelling or premises concerned.

Number plate

Obtain a number plate. You can buy it in a store or make it yourself, as long as you don’t change the number you have been given. No specific dimensions are required, but the civic number must be visible from the street.

Fees (taxes included)

  • If the construction or improvement permit is already paid for: free of charge
  • Creation of a basement apartment: $9.80 per $1000 of work, minimum $157

Communication channels

311

Outside of Montréal: 514-872-0311

Monday to Friday: From 8:30 a.m. to 8:30 p.m.
Saturday, Sunday and public holidays: From 9 a.m. to 5 p.m.

By appointment
7171 Rue Bombardier
Second floor
Montréal, QC H1J 2E9

Legislation

You must request the addition or cancellation of a civic number at the same time as you apply for a building or conversion permit.

Make a Request

Please schedule an appointment at the permit counter. Due to the characteristics of the regulations, information is not shared by telephone.

Once the application has been submitted, an inspector may visit the premises to verify the compliance of the dwelling or premises concerned.

Time frames

The time frame for assignment of a new number is typically three to four weeks.

Number plate

Obtain a number plate. You can buy it in a store or make it yourself, as long as you don’t change the number you have been given.

As the owner of the building, you are responsible for installing the civic number on the street-front and rear of the building. You must also replace it if it becomes damaged.

Number format

The characters must be at least 77 mm high by 10 mm wide on a contrasting background.

Fees (taxes included)

  • Analysis fee: $60
  • Cancellation: no charge

Make an appointment

311

Outside of Montréal: 514-872-0311

Monday to Friday: From 8:30 a.m. to 8:30 p.m.
Saturday, Sunday and public holidays: From 9 a.m. to 5 p.m.

Legislation

You must request the addition or cancellation of a civic number at the same time as you apply for a construction or conversion permit.

Make a Request

Go to the permit counter. Once the application has been submitted, an inspector may visit the premises to verify the compliance of the dwelling or premises concerned.

Time frames

Assignment of a new number will take one to two weeks.

Number plate

  • Obtain a number plate. You can buy it in a store or make it yourself, as long as you don’t change the number you have been given.  The plate must be installed within 10 cm of the building wall.
  • The way the building is lit must not prevent the number from being read properly.
  • As the building owner, you are responsible for installing the civic number on the building and replacing it if it becomes damaged.

Number format

The characters must be at least 77 mm high by 10 mm wide on a contrasting background.

Fees (non-taxable)

  • New number: $50 
  • Cancellations $50

Communication channels

Information

514-639-2140

1800 Boulevard Saint-Joseph
Montréal, QC H8S 2N4

Legislation

You can request the addition or cancellation of a civic number following conversion work on your building.

Make a Request

Go to the permit counter. Once the application has been submitted, an inspector may visit the premises to verify the compliance of the dwelling or premises concerned.

Number plate

  • Obtain a number plate. You can buy it in a store or make it yourself, as long as you don’t change the number you have been given. The plate must be installed within 10 cm of the building wall.
  • The way the building is lit must not prevent the number from being read properly.
  • As the building owner, you are responsible for installing the civic number on the building and replacing it if it becomes damaged.

Number format

The characters must be at least 70 mm high and visible from the street.

Make an appointment

In person

By appointment
55 Avenue Dupras
Montréal, QC H8R 4A8

Legislation

You can request the addition or cancellation of a civic number following the modification or conversion of a building that was carried out under a permit.

Make a Request

Go to the permit counter. Once the application has been submitted, an inspector may visit the premises to verify the compliance of the dwelling or premises concerned.

Time frames

The time frame for assignment of a new number is typically three to four weeks.

Number plate

Obtain a number plate. You can buy it in a store or make it yourself, as long as you don’t change the number you have been given.

Number format

The characters must be at least 77 mm high by 10 mm wide on a contrasting background.

Fees (taxes included)

  • Analysis fee: $102

Make an appointment

311

Outside of Montréal: 514-872-0311

Monday to Friday: From 8:30 a.m. to 8:30 p.m.
Saturday, Sunday and public holidays: From 9 a.m. to 5 p.m.

201 Avenue Laurier Est
Fifth floor
Montréal, QC H2T 3E6

Legislation

You must request the addition or cancellation of a civic number at the same time as you apply for a building or conversion permit.

Make a Request

Go to the permit counter. Once the application has been submitted, an inspector may visit the premises to verify the compliance of the dwelling or premises concerned.

Time frames

The time frame for assignment of a new number is typically three to four weeks.

Number plate

Obtain a number plate. You can buy it in a store or make it yourself, as long as you don’t change the number you have been given.

Number format

The characters must be at least 77 mm high by 10 mm wide on a contrasting background.

Fees (taxes included)

  • Analysis fee: $95
  • Cancellation: no charge

Learn more or make an appointment

Legislation

You must request the addition or cancellation of a civic number at the same time as you apply for a building or conversion permit.

Make a Request

Go to the permit counter. Once the application has been submitted, an inspector may visit the premises to verify the compliance of the dwelling or premises concerned.

As the building owner, you are responsible for installing the civic number on the building and replacing it if it becomes damaged.

Make an appointment

311

Outside of Montréal: 514-872-0311

Monday to Friday: From 8:30 a.m. to 8:30 p.m.
Saturday, Sunday and public holidays: From 9 a.m. to 5 p.m.

15795, boulevard Gouin Ouest
(on the 2nd floor, rear door of the citizen reception and public safety office)
Montréal, QC H9H 1C5

Legislation

You must request the addition or cancellation of a civic number at the same time as you apply for a building or conversion permit.

Make a Request

Go to the permit counter. Once the application has been submitted, an inspector may visit the premises to verify the compliance of the dwelling or premises concerned.

Time frames

It takes three to four weeks to be assign a new number.

Number plate

Obtain a number plate. You can buy it in a store or make it yourself, as long as you don’t change the number you have been given. 

Number format

The characters must be at least 77 mm high by 10 mm wide on a contrasting background.

Rates (before taxes)

  • New number: $85
  • Cancellation: no charge

For more information or to make a request

In person

By appointment
6854 Rue Sherbrooke Est
Montréal, QC H1N 1E1

Legislation

You must request the addition or cancellation of a civic number at the same time as you apply for a building or conversion permit.

Make a Request

Go to the permit counter. Once the application has been submitted, an inspector may visit the premises to verify the compliance of the dwelling or premises concerned.

Time frames

Assignment of a new number will take three to four weeks.

Number plate

Obtain a number plate. You can buy it in a store or make it yourself, as long as you don’t change the number you have been given. No specific dimensions are required, but the number must be visible from the street.

Fees (taxes included)

  • Analysis fee: starting at $161

Communication channels

In person

4241 Place de l'Hôtel-de-Ville
Montréal, QC H1H 1S4

You must request the addition or cancellation of a civic number at the same time as you apply for a building or conversion permit.

Make a Request

Go to the permit counter. Once the application has been submitted, an inspector may visit the premises to verify the compliance of the dwelling or premises concerned.

Fees (taxes included)

  • New number: $91

Communication channels

Information

514-495-6234

1431 Avenue Van Horne, 2nd floor
Montréal, QC H2V 1K9

You must apply to add or cancel a civic number after the modification or conversion of a building.

Make a Request

Go to the permit counter. Once the application has been submitted, an inspector may visit the premises to verify the compliance of the dwelling or premises concerned.

Time frames

It take between three and four weeks to obtain a new number.

Number plate

Obtain a number plate. You can buy it in a store or make it yourself, as long as you don’t change the number you have been given. The borough does not provide number plates.

Fees (taxes included)

  • Assignment, addition or replacement : $30

Communication channels

Make an appointment

514-626-3467

13665 Boulevard de Pierrefonds
Montréal, QC H9A 2Z4

Legislation

You can make your request to add or cancel a civic number after conversion work is completed.

Make a Request

Go to the permit counter. Once the application has been submitted, an inspector may visit the premises to verify the compliance of the dwelling or premises concerned.

Time frames

The time frame for assignment of a new number is typically three to four weeks.

Number plate

Obtain a number plate. You can buy it in a store or make it yourself, as long as you don’t change the number you have been given. 

Number format

The characters must be at least 77 mm high by 10 mm wide on a contrasting background.

Rates (before taxes)

  • New number: $70.50
  • Cancellation: free of charge

Communication channels

Make an appointment

514-868-4343

12090 Rue Notre-Dame Est
Montréal, QC H1B 2Z1

Legislation

You must request the addition or cancellation of a civic number at the same time as you apply for a building or conversion permit.

Make a Request

Go to the permit counter. Once the application has been submitted, an inspector may visit the premises to verify the compliance of the dwelling or premises concerned.

Time frames

It takes three to four weeks to receive a new number.

Number plate

Obtain a number plate. You can buy it in a store or make it yourself, as long as you don’t change the number you have been given.

As the owner of the building, you are responsible for informing the borough within 30 days if the building is destroyed or its entrance is bricked up.

Number format

The characters must be at least 77 mm high by 10 mm wide on a contrasting background.

Fees (taxes included)

  • New number: $98
  • Cancellation: no charge

Information

By phone

311

Outside of Montréal: 514-872-0311

Monday to Friday: From 8:30 a.m. to 8:30 p.m.
Saturday, Sunday and public holidays: From 9 a.m. to 5 p.m.

Legislation

Go to the permits counter to submit a request.

Number plate

Obtain a number plate. You can buy it in a store or make it yourself, as long as you don’t change the number you have been given. 

As the building owner, you are responsible for installing the civic number and keeping it in good condition.

Number format

The characters must be a minimum of 77 mm high by 10 mm wide on a contrasting background and be visible from the street.

The borough may request that the number also be installed on the side or rear of a residential building. For industrial or commercial buildings, a second number must be installed on the side and rear to distinguish secondary entrances from the main entrance.

Rates (before taxes)

  • Assignment or change: $148

Make an appointment

311

Outside of Montréal: 514-872-0311

Monday to Friday: From 8:30 a.m. to 8:30 p.m.
Saturday, Sunday and public holidays: From 9 a.m. to 5 p.m.

777, boulevard Marcel-Laurin
Saint-Laurent, QC H4M 2M7

Legislation

You must request the addition or cancellation of a civic number at the same time as you apply for a building or conversion permit.

Make a Request

Go to the permit counter. Once the application has been submitted, an inspector may visit the premises to verify the compliance of the dwelling or premises concerned.

Rules to follow

  • In some residential areas, a civic number can be cancelled if you want to convert a multiplex to a single-family dwelling.
  • In some residential areas, only one basement dwelling unit may be added.

Contact the permit counter to verify the rules applicable to your situation.

Number plate

Obtain a number plate. You can buy it in a store or make it yourself, as long as you don’t change the number you have been given.

The plate must measure no more than 60 cm wide by 30 cm high.

Fees (taxes included)

  • Cancellation, new number or change: $145

Communication channels

311

Outside of Montréal: 514-872-0311

Monday to Friday: From 8:30 a.m. to 8:30 p.m.
Saturday, Sunday and public holidays: From 9 a.m. to 5 p.m.

Legislation

You must request the addition or cancellation of a civic number at the same time as you apply for a building or conversion permit.

Make a Request

Go to the permit counter or call 311.

Time frames

The deadline for assigning the number is at least four weeks.

Number plate

Once a building number has been assigned to you, you can purchase a number plate. You can buy one at a store or build one yourself, provided that you don’t change the number. The number plate must have a minimum height of 7 cm. 

Place the number plate on the facade, beside the main entrance. The number plate should be visible from the street. If the back wall of the building faces an alleyway, place a number plate on the back wall as well.

It is prohibited to paint the address number directly on the wall, or hang it from the wall on a piece of cardboard or on any other material.

 

Fees (taxes included)

  • New number or cancellation: $111

Submit a request

311

Outside of Montréal: 514-872-0311

Monday to Friday: From 8:30 a.m. to 8:30 p.m.
Saturday, Sunday and public holidays: From 9 a.m. to 5 p.m.

4555 Rue de Verdun
Suite 109
Montréal, QC H4G 1M4

Legislation

You must apply for the addition or cancellation of a civic number at the same time as you apply for a building or conversion permit.

Make a Request

Go to the permit counter. Once the application has been submitted, an inspector may visit the premises to verify the compliance of the dwelling or premises concerned.

Time frames

The time frame for assignment of a new number is typically three to four weeks.

Number plate

Obtain a number plate. You can buy it in a store or make it yourself, as long as you don’t change the number you have been given.

As the owner of the building, you are responsible for installing the civic number on the street front and rear of the building. You must also replace it if it becomes damaged.

Number format

The characters must be at least 77 mm high by 10 mm wide on a contrasting background. The characters can be installed directly on the wall.

Fees (taxes included)

  • Analysis fee: $75
  • Cancellation: no charge

Communication channels

800 Boulevard De Maisonneuve Est
17th floor
Montréal, QC H2L 4L8

Legislation

You must request the addition or cancellation of a civic number at the same time as you apply for a building or conversion permit.

Make a Request

Go to the permit counter. Once the application has been submitted, an inspector may visit the premises to verify the compliance of the dwelling or premises concerned.

Time frames

The time frame for assignment of a new number is typically three to four weeks.

Number plate

Obtain a number plate. You can buy it in a store or make it yourself, as long as you don’t change the number you have been given.

As the owner of the building, you are responsible for installing the civic number on the building. You must also replace it if it becomes damaged.

Number format

The characters must be at least 77 mm high by 10 mm wide on a contrasting background. The characters can be placed directly on the wall.

Rates (before taxes)

  • Analysis fee: $121
  • Cancellation: free of charge

Communication channels

Information

514-868-3509

405 Avenue Ogilvy
Suite 111
Montréal, QC H3N 1M3

Legislation