New buildings & extensions - Cartago Construction

Complete house, garage or extension - we build your project from A to Z, according to Quebec standards.
Would you like to build a new home or extend your existing one without getting in over your head?

With Cartago Constructionwe manage your project from A to Z design, permits, structure, MEP (electrical/plumbing/ventilation), finishing and turnkey handover. We combine on-the-ground expertise, compliance with Quebec standards (RBQ) and tight quality control to deliver durable, high-performance, aesthetically pleasing structures.

What exactly is "new construction" and "expansion"?

  • New construction New foundations, framework, building envelope, technical networks and finishing touches - a house delivered ready to move into.

  • Expansion Whether it's a side extension, elevation, garage addition, veranda or rear extension, the new structure is integrated into the existing building in a static, watertight and aesthetically pleasing manner.

Micro-services included (entities & attributes)

Engineering, design & compliance

  • Feasibility study and terrain analysis (topography, access constraints).

  • Soil / geotechnical investigation (bearing capacity, water table, foundation recommendations).

  • 2D architectural drawings / 3D renderings to view before you start.

  • Structural engineering calculations (beams, columns, foundations, anchors).

  • Municipal permit management and compliance with Building code and requirements RBQ.

Site preparation & foundations

  • Site releaseearthworks, grading and water management.

  • Excavation and slab preparation.

  • Foundations The following elements are included: footings, foundation wall, flashings, drains (French drain) and waterproofing membrane.

  • Humidity control and drainage system if required.

Frame & envelope

  • Wood, steel or concrete frames depending on design (purlins, joists, load-bearing wall).

  • Air/vapour barrier/insulation system performance (R-value adapted to the climate).

  • Windows & doors certified (air/watertightness, Uw, resistance) with frames and flashings.

  • Roof shingles, elastomeric membranes, flat roofs, insulation and waterproofing.

Technical networks (MEP)

  • Plumbing : supply, drainage, water points, installation of sanitary appliances.

  • Electricity panels, circuits, recessed lighting, appliance mounting.

  • Heating & air conditioning heat pump, radiant floor, furnace, ventilation (VMC / air exchanger).

  • Home automation & security intelligent thermostats, alarms, intercoms.

Interior & exterior finishes

  • Partitions, gypsum, soundproofing and integrated furnishings.

  • Floor coverings hardwood, ceramic, LVT, underfloor heating.

  • Kitchen & Bathrooms carpentry, quartz/granite, high-end plumbing.

  • Exterior cladding canexel, brick, stucco, aluminium, composite.

  • Landscaping terrace, steps, sidewalks, landscape connections.

Management & delivery

  • Site planning and coordination (GANTT schedule, deliverables by phase).

  • Subcontractor coordination (plumbing, electricity, roofing, etc.).

  • Quality control & regular site inspections.

  • Turnkey deliverycompliance file and maintenance manual.

Technical specifications & energy optimization (entities to know)

  • Compliance with best insulation practices (adapted R-values).

  • Airtight solutions (continuous air barrier, foam gaskets, taping).

  • Eco-performance options : Novoclimat / R-2000 (depending on project), high-efficiency heat pumps, heat recovery ventilation (HRV/ERV).

  • Equipment integration Energy Star and low-VOC materials for better indoor air quality.

Factors influencing cost and feasibility

  • Area and architectural complexity.

  • Foundation type required (slab-on-grade, crawl space, etc.), excavated subsoil).

  • Site access (equipment operation, need for special formwork).

  • Finish level (standard vs. high-end installation).

  • Heavy structural work (opening load-bearing walls, reinforcement).

  • Regulatory requirements and permit costs.

Guarantees, compliance and insurance

  • RBQ Certified general contractor and compliance with standards.

  • Site insurance and civil liability included.

  • Compliance file and certificates (electricity, plumbing) handed over on delivery.

  • Work warranty according to contractual agreement (finishes, structure, waterproofing).

Why choose Cartago Construction?

  • 10+ years' field experience directed by Yassine Troudi.

  • Turnkey approach a single point of contact, complete coordination.

  • Network of qualified subcontractors and verified.

  • Attention to detail and strict compliance with Quebec standards.

  • Transparent tenders and rigorous cost management.

How do you get started?

  1. Contact us for an initial assessment (photo, existing plans or visit).

  2. Feasibility study and preliminary estimate.

  3. Design & detailed quotation (plans, 3D, choice of materials).

  4. Permit application and site preparation.

  5. Construction followed by periodic inspections.

  6. Delivery and acceptance from turnkey project.

Ready to build or expand without stress?

For a free quote, a site assessment or just to talk about your project :

📞 438-932-4326
✉️ [email protected]

Cartago Construction - New construction & extensions delivered with rigor, safety and durability.

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Other services available

Discover other ways we can help you improve your home.

Basement renovation

Transform your basement into a warm, practical space that adds value to your home.

Bathroom renovation

Transform your bathroom into a modern, comfortable and functional space.

Kitchen renovation

Modernize your kitchen with practical design, durable materials and an impeccable finish.

Interior renovation

Bring your space back to life with modern, practical and sustainable renovations.

Landscaping

Driveways, terraces, low walls, paving stones - we'll make your yard as beautiful as your home.

Interior & exterior painting

Clean, well-painted walls that last - indoors and out.

Areas served by this service

Click on your zone to see how we can renovate your home.

Montréal

Longueuil

Brossard

Boucherville

South Shore

Laval

3 simple steps to a better life

New surroundings have never been easier

01

Frame

Contact us

Fill in the form and tell us about your project

02

hammer

Let's get to work

We transform your space on budget and on time

03

home

Live your new life

Enjoy your new comfort and invite everyone to your home!

A good job - guaranteed!

Over 10 years' experience at your service.

★★★★★

Cartago Construction did an exceptional job on my renovation. Their expertise and professionalism were impressive. The team was friendly and the customer service was excellent. I highly recommend them to anyone looking for quality construction services. Thank you, Cartago Construction!

- Julien
CEO
★★★★★

Cartago Construction completed an exceptional renovation for my home in Beloeil. Their knowledgeable team and attention to detail made the process stress-free. I highly recommend their construction and renovation services. Thank you Cartago Construction for a job well done!

Jian
CEO
★★★★★

Cartago Construction was incredible! Their team completed an exceptional renovation of my home. Their professionalism and attention to detail was impressive. I highly recommend their services to anyone looking for quality construction work. Thank you very much, Cartago Construction!

Alexandre
CEO
★★★★★

I'm extremely satisfied with the work done on my kitchen renovation. From the outset, they listened to my needs and proposed solutions adapted to my budget and tastes. The work was carried out with great attention to detail and on schedule, which is very rare in this field.The end result exceeds my expectations: a modern, functional and beautiful kitchen! The team also left the premises spotless at the end of the work. I highly recommend them to anyone looking for a competent and reliable professional for their renovation projects. Thanks again for this exceptional service!

Lapointe C
Customer
★★★★★

I'm absolutely delighted with the work Cartago Construction did on my basement renovation. From the initial consultation to the completion of the project, their professionalism and expertise were outstanding. The team was punctual, efficient and exceeded all my expectations in terms of quality and deadlines. They were able to transform my underground space into a beautiful and functional area. I highly recommend Cartago Construction to anyone looking for quality renovation services. Thanks again for an outstanding job!

Maxime
Customer
★★★★★

Very competent and with excellent workmanship and finish, prompt and courteous response. Highly recommend.

Haithem
CEO
★★★★★

I highly recommend Cartago Construction to anyone looking for high-quality renovation services. Their dedication to customer satisfaction and attention to detail make them an exceptional choice for any renovation project.

Nour
CEO
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Make your environment a
home

Why so many Quebecers put their trust in us:

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You'll get a fast, clear and free quote from RBQ-certified experts.
With our complete renovation solutions, your space becomes exactly as you imagined it.
Whether it's a redesigned kitchen, an optimized basement or an exterior makeover, we manage it all - on time and on budget.
Local expertise. Seamless service. Peace of mind from start to finish.

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Tell us about your project

We'll get back to you as soon as possible.