Explore

Explore and learn about the essentials of a new home project to build a solid foundation before the Planning stage.
Explore the Resources

To plan

Structure your budget, needs, and key priorities for your project before moving on to the Simulation stage.
Plan My Project

Simulate

Simulate your project online and instantly get a clear, personalized plan
Simulate My Project
Build Your Home

Explore

Explore and learn about the essentials of a new home project to build a solid foundation before the Planning stage.
Explore the Resources

To plan

Structure your budget, needs, and key priorities for your project before moving on to the Simulation stage.
Plan My Project

Simulate

Simulate your project online and instantly get a clear, personalized plan
Simulate My Project
Horizon intergenerational model from our Altera Intergenerational Series

Your New Home, a Natural Oasis

From custom homes to predesigned models, we build in the Outaouais with your lifestyle and the natural setting in mind.

Horizon intergenerational model from our Altera Intergenerational Series

Find the Right Model for You

Harmonie Construction is a well-established home builder in the Gatineau–Ottawa region. Our team takes pride in helping bring your vision to life in a natural and inspiring setting. Whether you are looking for a single-family home, a thoughtfully designed semi-detached home, or an innovative Bi-Generational home, our mission is to create a living environment that reflects your lifestyle while bringing you closer to nature. Discover the quality and variety of our homes.

View all models
Ténor A Single Family
2
1
Ténor B Single Family
3
2
Symphonie B Single Family
3
2
Symphonie A Single Family
2
1
Origine – Single-Family Single Family
3
1
Altera Origine The Altera Multigenerational Series
5
2+1

Dream Deck Promotion

Are you planning to build your new home in 2026?

Imagine moving into your new home with a dream deck designed just for you.

From March 15 to April 30, 2026, you could receive up to $20,000 toward your dream deck, in collaboration with FenceScape, when building your home with Harmonie Construction.

Your Home.
Your Deck.
Your Dream.

View Promotion

Build Your Home in the Right Community

Located in the heart of the Outaouais, our communities are thoughtfully designed to blend into their natural surroundings while staying close to essential services. Discover the ideal setting to build a home that fits your lifestyle.

View Our Communities

A Step-by-Step Journey to Building Your Home

Building a home is a step-by-step process. The Explore phase helps you better understand your needs and priorities. Plan helps you organize your ideas, budget, and key decisions. Simulate brings everything together, giving your project a clear direction that is easy to visualize. By moving through these three phases, you can move forward with greater clarity, confidence, and consistency — from your first ideas to a well-defined vision of your future home.

Explore

Discover the options available to you and better understand the decisions ahead. Clarify your needs, priorities, and goals at your own pace, without pressure.

I Want to Explore
Plan

Organize your ideas, budget, and key decisions with greater clarity. This step helps eliminate gray areas and lays a solid foundation for what comes next.

I Want to Plan
Simulate

Bring your ideas together into a clearer vision of your future home. This step helps you visualize your project more easily so it can begin to take shape.

Simulate My Home

The People Behind Your Home

Harmonie Construction was built on a simple commitment: to do things the right way, with professionalism and respect. Behind every home is a team that takes the time to guide clients, explain decisions, and bring clarity to every stage of the process from the start.

Our approach is rooted in strong values and real-world experience, both in client relationships and on the job site. It allows us to move forward with care and consistency, from the first conversation to the delivery of the home.

About Harmonie Construction

Stories From Our Clients

What we appreciated most was the time the team took to fully understand our project from the start. Since it was our first experience, we were not quite sure what to expect. Even before the first shovel hit the ground, we already felt confident. Thank you to the entire Harmonie team—you made this experience both reassuring and enriching.

Nicole Gagnon
Cantley, QC

As young professionals, we had very little time to devote to our home project. The initial planning phase with the Harmonie team was a real relief. We were able to see the steps ahead of time, the possible obstacles, and how to make better use of the limited time we had. The result: everything went as planned, and our project was a great success in collaboration with Harmonie.

Daniel Labonté
Cantley, QC

We engaged Harmonie Construction to build our bi-generational home during the winter of 2024-2025, and what we appreciated most was their availability. Every time we had a question or concern, the team took the time to respond and keep us informed. We could visit the construction site easily, which gave us confidence. Communication was constant, even for adjustments during the process, and everything was clearly explained to us. This is a company very attentive to customer service, and it shows at every stage.

Gabriel Désilets-Charlesbois
Cantley, QC