Municipality

Haie, clôture, muret et mur de soutènement

Ville de Laval

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Laval requires a certificate of authorization and, for a wall of 1.8 m or more, a cross-section signed and sealed by an engineer plus a site supervision mandate.
Laval requires engineer-signed and sealed plans for a wall of 1.8 m or more.
Laval asks for a land surveyor's certificate of location with the application.
Laval requires a certificate to add or modify a retaining wall.
Laval page on retaining walls.
Laval asks for a certificate of location prepared by a land surveyor with a retaining wall certificate application.
Land surveyor's certificate of location required with the certificate application.
Land surveyor's certificate of location.