Build on solid foundations — certified piping.

Whether for new construction or a major renovation, Plomberie Despaties installs modern plumbing systems with certified materials, state-of-the-art techniques and complete digital documentation. Licensed. Local. Reliable.

RBQ
CMMTQ
CNESST
CCQ
APCHQ

Why a Certified Plumbing Installation is Essential in Quebec

Quebec winters are merciless. Temperature variations, poorly installed pipes, and inadequate materials are common sources of problems.

The Hidden Risk

Without professional installation, a poorly done plumbing system can cause thousands of dollars in damage: multiple leaks, chronic clogs, insufficient pressure.

Insurance and Resale Concerns

Home insurance providers consider homes with incomplete installations to be higher risk. A claim for water damage caused by a defective installation may be denied.

A Customer's Story: The Solid Foundation That Paid Off

« We built a new house and hired Plomberie Despaties for the complete installation of the plumbing. Their attention to detail, the quality of the materials, and the digital documentation were exceptional. »

— Jean-Pierre L., Blainville

Our Plumbing Installation Process — Solid Foundation, Reliable System

We don't just lay pipes — we design a complete water distribution system.

System Design

Planning of the plumbing system with optimized flow and pressure.

Detailed Estimate

Complete quote with materials, labor, deadlines, and total cost — no pressure.

Permits and Inspection

We handle all the RBQ paperwork for the piping installation and inspections.

On-time Installation

We arrive on time, work cleanly, and finish according to agreed deadlines.

What's included in each intervention

Plumbing System Design : Optimal planning with pressure and flow calculations for each distribution point.

Certified Materials : Copper, PEX, or PVC depending on the specific application for maximum durability.

Complete Warranty : Full coverage on labor and installed materials.

Permit and Inspection Management : All RBQ documentation managed for you.

Why choose Plomberie Despaties?

We're not a franchise or a call center. We're a local team, certified RBQ and CMMTQ, dedicated to residential plumbing in the greater Montreal area.

No Subcontractors

Every pipe is installed by our licensed team.

Transparent Pricing

We provide you with a clear written quote before starting any work.

Licensed and Insured

We hold the active RBQ license #5866-6652-01 and are fully insured.

Quick Response

If you have an urgent project — call us.

Frequently asked questions

Clear and honest answers from a licensed expert — no sales.

We exclusively use certified materials: copper for traditional applications, PEX for flexibility and freeze resistance, and PVC for drains. Each material is chosen according to the specific application to ensure durability and safety.
Time varies depending on the size of the project. An installation for a medium-sized house generally takes 2 to 5 days. We schedule according to your availability and minimize disruptions. We do not use subcontractors — every pipe is installed by our licensed team.
Yes. All our installations are covered by a complete warranty on labor and certified materials. If a problem occurs, we fix it free of charge.
Yes. We obtain all RBQ permits and schedule inspections for the plumbing installation. We provide complete documentation for insurance and resale.
Cost varies depending on the size of the project and materials chosen. We always provide a free estimate before starting. A complete installation for a medium-sized house generally costs between $5,000 and $15,000.
Yes. We have experience with old houses and know how to integrate modern systems with existing structures while respecting safety standards.

Invest in a Solid Foundation for Your Home

A well-done plumbing installation is the foundation of a healthy and safe home. Let Plomberie Despaties install a modern, reliable, and certified plumbing system.

RBQ #5866-6652-01 | Serving Montreal, Laval, North Shore, South Shore