Basement renovation - Cartago Construction

Transform your basement into a warm, practical space that adds value to your home.
Do you have an unused, dark or poorly finished basement?

With Cartago Constructiontransform this space into a modern, functional and comfortable room, perfectly suited to your needs.

Our expertise in residential basement renovation covers all stages: from design to finishing, including insulation, plumbing, electricity and turnkey fit-out.

Why renovate your basement?

A well-renovated basement not only increases value of your propertybut it also improves your quality of life on a daily basis. Whether for:

  • Create a family room warm

  • Install a home theater

  • Add a basement bathroom

  • Set up a home office

  • Transforming space into rental housing (bachelor)

  • Create a training room or a workshop

.. each project is tailor-made to suit your tastes, needs and budget.

Micro-services included in basement renovation

Design and planning

  • Study of available space and technical constraints

  • Customized plans and 3D visualization

  • Advice on interior design and choice of materials

  • Verification of compliance with RBQ standards and Quebec Building Code

Foundation preparation and correction

  • Inspection of slab and foundation walls

  • Sealing against moisture and water infiltration

  • Crack correction and drainage if necessary

  • Mould treatments

Insulation and soundproofing

  • Thermal insulation (walls, floors, ceilings)

  • High-performance materials: mineral wool, rigid panels, spray foam

  • Soundproofing for home or home theater

  • Moisture control with a suitable vapour barrier

Mechanical work (plumbing, electricity, ventilation)

  • Installation or modification of bathroom/kitchen plumbing

  • Adding electrical circuits and recessed lighting

  • Electric heating, radiant floor or central system

  • Controlled mechanical ventilation (CMV) for basements

Layout and divisions

  • Construction of new partitions (gypsum, wood, metal)

  • Creation of bedrooms, offices or playrooms

  • Addition of full bathroom in basement

  • Safe, attractive staircases

Finishes and trim

  • Moisture-resistant floor coverings: ceramic, vinyl, floating floors, carpets

  • Mouldings, frames and interior joinery

  • Painting and wall decoration

  • Installation of built-in furniture and custom storage

Popular types of basement renovation projects

  • Turnkey basement everything is designed, planned and delivered ready to use

  • Basement bedrooms, family room, office

  • Rental basement : housing up to standard (electricity, plumbing, soundproofing)

  • Multi-purpose basement workout room, home theater, creative workshop

  • Luxury basement : high-end design, integrated bar, games room, indoor spa

Preferred materials and equipment

At Cartago Construction, we choose materials that are durable, safe and suitable for basement use:

  • Certified energy-efficient insulation

  • Heating systems for underground spaces

  • Moisture-resistant coatings

  • Energy-efficient LED lighting

  • Low-VOC paints and finishes for better air quality

Why trust Cartago Construction with your basement?

  • +10 years of experience in residential renovation in Canada Quebec

  • RBQ certification and full insurance coverage

  • Turnkey approach design, site management, subcontractor coordination

  • On time and on budget

  • High-quality finisheswithout compromising on safety and durability

  • Free and transparent quotation

Ready to transform your basement?

A well-renovated basement can become the heart of the home. At Cartago ConstructionWe make sure that every square foot of your property is optimized and habitable.

📞 438-932-4326
✉️ info@cartagoconstruction.ca

Cartago Construction - The art of transforming basements into functional, sustainable living spaces.

Cartago Construction 5-star review icon — customer testimonials

Get a free consultation

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

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.

Rénovation intérieure

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

Interior & exterior painting

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

Floor coverings

Hardwood, vinyl, ceramic or laminate - we'll help you choose, install and enhance every room.

Areas served by this service

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

Montreal

Longueuil

Brossard

Boucherville

South Shore

Laval

3 simple steps to a better life

New surroundings have never been easier

01

Form icon — step 1: contact us about your project

Contact us

Fill out the form and tell us about your project

02

Hammer icon — step 2: start of renovation work

Let's get to work

We transform your space while respecting your budget and the deadline

03

House icon — step 3: enjoy your new space

Live your new life

Enjoy your new comfort and invite people over to your place!

A good job - guaranteed!

Over 10 years' experience at your service.

★★★★★

The project was completely finished quickly and professionally. Yassine is a reliable and trustworthy entrepreneur. I highly recommend his services for your renovation.

Xiaoyuren Tan
Customer
★★★★★

Cartago did an incredible job. The team finished our basement as planned: quality, service and respect for deadlines. I highly recommend Cartago for your renovation projects.

Thi Truong Phi Nguyen
Customer
★★★★★

Cartago Construction offered an excellent experience from start to finish. The team demonstrated meticulous work and a clear commitment to quality. I want to highlight the exceptional contribution of Jihad and Yassine, whose punctuality and professionalism truly set the tone for the entire project. I highly recommend Cartago Construction, and I would gladly do business with them again.

Rizwan R
Customer
★★★★★

I am extremely satisfied with the work done by Cartago Construction. The team is professional, punctual and very attentive to the client's needs. The work was carried out with care and within the planned deadlines. The final result exceeds my expectations: impeccable quality and flawless finishing. I highly recommend this company to anyone looking for a reliable and high-quality renovation service.

Anis Elleuch
Customer
★★★★★

I entrusted the complete transformation of my basement to Cartago Construction, and I am truly impressed by the result! The team was able to optimize the space and create a warm, modern and functional place. Everything was done with care and professionalism, from start to finish. Thanks to Yassine and his team for their excellent work — I recommend them without hesitation!

Waaa Yooo
Customer
★★★★★

Thank you very much for your excellent work! I am very satisfied with the result and your professionalism. Bravo to the whole team!

Hella Troudi
Customer
★★★★★

Thank you for your office job Yassine My home is becoming my little paradise

Jihed Bagga
Customer
★★★★★

He renovated my house: truly an excellent finished product, daily monitoring of the project and the final result excellent quality. Truly satisfied.

Boujelben Mohamed
Customer
★★★★★

Very good coordination, respect for commitments (cost, schedule), and remarkable finishing quality. I highly recommend Cartago Construction. »

Ismail Triki
Customer
★★★★★

Best service Best price I highly recommend

Harazi Mehrez
Customer
Customer satisfaction rates.
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Years of experience.
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More than a dozen successful projects every year.
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Make your environment a
home

Why so many Quebecers put their trust in us:

Satisfied client consulting Cartago Construction renovation services

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.