What projects require a building permit?

For all the following types of project, you should contact the experts in our Urban Planning and Inspection Division to get your project approved and obtain the necessary permit.

You will avoid many potential problems and extra costs by checking with us before beginning work on your project.

Residential zones (single-family dwellings, duplexes)

  • Demolition of a building
  • Demolition of an accessory building or a pool
  • New building
  • Addition
  • Porch or vestibule
  • Solarium, veranda
  • Modify or renovate the exterior of a building
  • Exterior finishes: alteration or changing materials (including roofing): color, type of materials, style, renovating existing finishes
  • Changes to doors, windows and garage doors, even if the existing opening remains: color, type, modulation, style, bay window, enlarging of existing openings
  • Structural changes: interior and exterior
  • Landscaping: adding or modifying paved surfaces, planting hedges in front yards (respecting new green bands & vegetation and plant coverages)
  • Changing grade levels (raising or lowering land levels)
  • Balcony, patio or terrace
  • Driveway: enlarging or repaving driveway and/or installing heated driveways (must be equipped with a drainage system)
  • Creating an habitable attic space, dormers or skylights
  • Plumbing: adding or relocating fixtures; repairing private sewage system
  • Geothermal system
  • Garden shed or cabana
  • Gazebo, arbour or pergola
  • Fence
  • Retaining wall
  • Drilling, underpinnings and underground earth-retaining wall (mur berlinois)
  • Swimming pool, spa or pond
  • Irrigation system
  • Mechanical equipment: heat pump, air conditioning or generator units
  • Solar panels
  • Antenna
  • Tree cutting
  • Location of a garbage/recycling container
  • Playgrounds

Community, institutional, multifamily, commercial and industrial zones

  • Demolition
  • New Building
  • Addition
  • Interior and exterior renovations
  • Changing of exterior finishes
  • Modification to openings
  • Café-terrace
  • Signage
  • Occupancy: opening of a new business or modification of an existing business
  • Driveway and Parking area: enlarging or repaving driveway and/or installing heated driveways (must be equipped with a drainage system)
  • Landscaping: adding or modifying paved surfaces, planting hedges in front yards (respecting new green bands & vegetation and plant coverages)
  • New loading areas
  • Plumbing: adding or relocating fixtures, repairing private sewage system
  • Geothermal system
  • Accessory building
  • Fence
  • Retaining wall
  • Drilling, underpinnings and underground earth-retaining wall (mur berlinois)
  • Irrigation system
  • TSS
  • Location of the garbage/recycling container
  • Mechanical equipment: heat pump, air conditioning or generator units
  • Antenna
  • Smoking shelter
  • Tree cutting

Bring all relevant documents (blueprints, certificate of location, etc., depending on the project) to our Inspection Service Counter at 10 Roosevelt Avenue. You can find examples of required plans in the documentation associated to this page.