Underground utility locating service areas in Greater Montreal
Détection Souterraine Québec works on the Island of Montreal, in Laval, on the South Shore, in the Châteauguay region and on the West Island around Dorval. Each area has its own characteristics: clay soils, shallow bedrock, old utility networks or dense industrial sectors. Our technicians adapt the method to the site and deliver the same PDF report within 24 hours everywhere.
- PDF report within 24 hours
- Submit your Info-Excavation request for public utilities, and entrust us with the private utilities on your property.

Our service areas
Montreal
Every borough on the island. Old utility networks, bedrock close to the surface in several sectors, coordination with municipal excavation permits.
Laval
Chomedey, Sainte-Rose, Vimont, Duvernay, Fabreville, Sainte-Dorothée and the other sectors. Suburban residential properties and industrial parks.
South Shore
Longueuil, Brossard, Saint-Hubert, Boucherville, Saint-Lambert, Sainte-Julie, Varennes, Chambly and Saint-Bruno. Clay soils of the plain and recent developments.
Châteauguay
Châteauguay, Léry, Mercier, Beauharnois, Candiac, La Prairie, Saint-Constant and Sainte-Catherine. Residential, agricultural and commercial areas.
Dorval
Dorval, Pointe-Claire, Lachine, Dollard-des-Ormeaux, Kirkland, Beaconsfield and Pierrefonds. Airport area, industrial parks and residential.
Elsewhere in Quebec
For a project in Quebec City, Gatineau, the Eastern Townships, the Laurentians or Mauricie, tell us about your job site. We plan travel according to the scope of the assignment.
Response times
| Area | Reply to request | Site visit |
|---|---|---|
| Island of Montreal, Laval, nearby South Shore | 24 to 48 business hours | Based on availability, emergencies prioritized |
| Châteauguay, Dorval and outer suburbs | 24 to 48 business hours | Based on availability |
| Other regions of Quebec | 24 to 48 business hours | Scheduled according to the assignment |