Home additions · North Shore
Home additions on Montreal’s North Shore: A project managed from A to Z
Construction HERA handles your entire home addition, from excavation to the finishing touches. One contractor, a complete team and a job site closely managed from start to finish.
- RBQ licence 5716-6019-01
- Based in Mascouche
- 20+ years of combined experience
Get the space your family needs, without managing the job site
Has your house become too small, but moving isn’t an option? A well-planned addition gives you the space you need, right where you need it, without leaving your neighbourhood.
At Construction HERA, we manage the entire structure of your addition, from excavation to finishing. You don’t have to coordinate contractors or chase down trades. We take care of it, with an experienced team and project managers who make sure every step stays on schedule.
As a general contractor licensed by the Régie du bâtiment du Québec (RBQ 5716-6019-01), based in Mascouche, we help North Shore homeowners with their addition projects: second storey, ground-level extension, detached garage, larger kitchen or bathroom. See also all our services and our work.
Why choose Construction HERA
A project managed from A to Z, by a complete team
A turnkey project
From excavation to finishing, everything is handled by one team.
Experts from the design stage
An engineering firm and a technologist, both trusted partners, along with a designer, ensure your structure is sound, code-compliant and good-looking.
A crew lead on site at all times
While the work is underway, a crew lead is always on your job site to supervise, answer your questions and guarantee the quality of the work.
Project managers who coordinate everything
They make sure every trade is available at the right time, so the agreed schedule is respected.
Hands-on co-owners
Both founders, Dany and Alex, are personally involved in following up on your project.
A licensed, local company
A general contractor holding an RBQ licence, based in Mascouche, with more than 20 years of combined experience in construction and renovation.
Our process, from A to Z
Your home addition in 8 steps, with no bad surprises
Meeting and project assessment
We discuss your needs, your budget and your lot, then assess whether the addition is feasible.
Design and plans
Our engineering and technology partners, together with our designer, prepare plans tailored to your house, your needs and the structural requirements.
Second meeting with a project manager
They meet with you again to prepare the quote based on your exact needs.
Free, detailed quote and paperwork
You receive a clear quote. We guide you through the steps required before work begins.
Building permit application
We handle the permit application with your municipality before work begins.
Excavation and structure
Work starts with excavation, foundations and framing, carried out by our skilled carpenters under the supervision of a crew lead.
Coordination of the trades
Our project managers plan and coordinate every trade (electrical, plumbing, insulation, etc.) to stay on schedule.
Finishing and handover
We complete the finishing work, check every detail with you and hand over a space that’s ready to live in.
A complete team for your project
Specialists at every stage of your addition
A successful addition depends on the right people, at the right time. Here’s who works on your project:
An engineering firm
A trusted partner that validates the structure and makes sure your addition ties in soundly with your existing house.
A technologist
A trusted partner who prepares the detailed plans that guide the entire build.
A designer
Helps you plan the space so your addition meets your needs and blends in with your house.
Three crew leads
A crew lead is always on site during the work. You have someone you can trust on site, every day.
Two project managers
They coordinate everyone involved, make sure every trade is available at the right time and keep the project on schedule.
Skilled carpenters
Dedicated professionals who build solid, long-lasting structures, done right.
Day to day, both co-owners are involved: Dany actively follows up on quality and customer satisfaction, and Alex works full time on the project’s structure.
The result: a well-run project and clear communication from start to finish.
The types of additions we build
A custom addition, adapted to your house and your lot
Second-storey addition
Ideal for adding bedrooms or living space without giving up any of your yard.
Ground-level extension
Enlarge your living or dining room, or add a full room at the back or side of your house.
Detached garage
A solid, long-lasting structure for your vehicles, your tools or your workshop.
Kitchen extension
A bigger, more functional kitchen designed for family life.
Bathroom extension
More space and a modern finish that blends seamlessly with your house.
Have a different project in mind?
Let’s talk. We assess every request based on your property and your needs.
Service areas
Your home addition contractor, close to home
Based in Mascouche, Construction HERA builds home additions across Montreal’s North Shore, from Deux-Montagnes to Repentigny, as well as in Laval and the Laurentians.
Don’t see your town on the list? Contact us: we assess every project individually.
- Repentigny
- Mascouche
- Terrebonne
- Blainville
- Boisbriand
- Sainte-Thérèse
- Saint-Eustache
- Deux-Montagnes
- Mirabel
- Laval
- Laurentians
What our clients say
North Shore homeowners who trusted us
Nous sommes extrêmement satisfaits du travail réalisé par cette compagnie pour l’agrandissement de notre résidence. Une équipe professionnelle, fiable et à l’écoute de nos besoins. Le travail a été réalisé avec soin et souci du détail. Nous sommes très heureux du résultat final et nous recommandons cette compagnie sans hésitation. Un gros merci pour votre excellent travail!Déjà deux projets avec Dany et son équipe! Changer les planchers (chêne blanc White mist), les marches, les moulures, les traines, enlever des moulures dans une des chambre, replâtrer, etc… Un super travail, bien fait, des gars propre, des gars de confiance! Ça ressemble beaucoup à du « clé en main », Dany s’occupe de tout!Merci à toute l'équipe pour le projet qui est au delà de notre satisfaction. Dany et Alex nous vous avons fait entièrement confiance et malgré les défis de rénovations, qu'une vieille maison peut apporter, vous étiez dans les temps et avez super bien travaillés, un travail de professionnel. Votre approche et votre vision en vaut le coup!!Frequently asked questions
Everything you want to know before starting your addition
What is a turnkey home addition?
It’s a project managed entirely by one contractor, from excavation to finishing. At Construction HERA, a single team handles the structure, the coordination of the trades and the finishing work.
Is the quote free?
Yes. After assessing your project, we give you a free, detailed quote.
How much does a home addition cost on the North Shore?
The cost depends on the type of project (second storey, ground-level extension, garage), the size, and the materials and finishes you choose. After assessing your project, we give you a detailed quote.
How long does a home addition take?
It depends on the scope of the work. Our project managers set a clear schedule with you at the start and coordinate the trades to meet it.
Do you handle the building permit?
Yes. We take care of the permit application with your municipality before work begins.
Will you be on site during the work?
Yes. A crew lead is always on site while your project is underway, and our project managers coordinate the whole job.
Do you offer engineering and plans?
Yes. Our trusted engineering and technology partners prepare the plans and validate the structure of your addition, with support from our designer.
Which towns do you serve?
We serve the entire North Shore, including Repentigny, Mascouche, Terrebonne, Blainville, Boisbriand, Sainte-Thérèse, Saint-Eustache, Deux-Montagnes and Mirabel, as well as Laval and the Laurentians.
Ready to add on to your home?
Tell us about your project. We assess your needs, walk you through the options and give you a free, detailed quote, hassle-free.