Serrurier D Tremblay Inc.

A lock on quality

Serrurier D Tremblay inc. Services

Lock sales, installation and repair, Copy keys, Replace original automobile keys Mount master key systems, Installation of door locks and hardware, Lock systems controlled by signature, Digital locks and smart locks, Door closers, Door pivots and hinges, Commercial accordion grilles

Service area

Terrebonne, Repentigny, Mascouche, L’Assomption, Saint-Lin-Laurentides, Laval, Bois-des-Fillions, Lorraine Blainville, Sainte-Thérèse, Rosemère and others

The key to your peace of mind

It is important to me that you feel safe in your home or your business. That’s why I believe it is my duty to inform you of the alternatives and services available to secure your property.

Ask Serrurier D Tremblay for locks to secure your:


Denis Tremblay, a highly qualified master locksmith

For more than 30 years, Serrurier D Tremblay has advised customers on the purchase of new locks and repairs or replaces your existing locks. You can count on Serrurier D Tremblay for responsible, prompt, courteous and personalized service in Terrebonne, Repentigny, Mascouche and L'Assomption

I founded Serrurier D Tremblay in August 1990 in Terrebonne. Since that time, I have given training to new locksmiths and to technicians working in institutions. I am a member of the Association des maîtres-serruriers du Québec (provincial master locksmith association). I am also a member of the Bureau de la Sécurité privée du Québec (provincial office of private security) and hold a RBQ license.