Basement renovation is one of the best ways to add space and value to your home. You may want an extra bedroom or a rental unit. In both of these cases, you can use this option. A finished basement makes your house more useful. But before you begin, it’s important to understand the costs. Are you also planning a basement renovation Montreal? Then, knowing what to expect in 2025 can help you plan your budget better.
In this blog, we will explain the cost and what affects the price. We will also tell you ways to find the right contractor for your project.
Why Renovate Your Basement?
A renovated basement gives you more space without building an extension. Many homeowners in Montreal turn their basements into playrooms and offices. They also use them as guest rooms and rental apartments. A finished basement also increases your property’s value. This can be helpful if you plan to sell in the future.
Besides adding comfort, it can also bring extra income if you rent it out. That is why basement services in Montreal are in high demand right now.
What will be the Cost to Finish a Basement in Montreal this year?
On average, one can expect to spend between 35,000 and 75,000 Canadian dollars. But this can change based on your needs. Some basic renovations may cost as little as $30,000. High-end remodels with custom designs and luxury finishes may cross CAD 100,000.
The basement renovation cost in Montreal 2025 depends on many things, like size and layout. It also depends on the materials and labour rates.
Factors That Affect the Cost

There are many aspects that can raise or lower the cost of your basement renovation. Some of these are:
1. Basement Size
A bigger space needs more materials and time to finish. So, the cost increases with square footage.
2. Plumbing and Electrical Work
Need a bathroom, kitchen, and laundry room? In that case, you will need new plumbing lines. There is also the requirement of electrical work. These are usually expensive parts of the renovation.
3. Type of Renovation
A simple open space is cheaper to build than a full apartment with a kitchen and bathroom. The cost will increase if you add more features.
4. Flooring and Walls
The budget increases for luxury flooring and custom walls. Basic vinyl floors and drywall are more affordable.
5. Permits and Inspections
In Montreal, certain changes need permits from the city. These come with extra fees. But they are required by law.
How to Choose Affordable Basement Contractors Montreal?
You don’t have to spend a fortune to get good results. There are many affordable basement contractors Montreal who offer quality work at fair prices.
To find the right contractor, you have to consider some important things. Check their reviews online. Ask for references from their past customers. Compare at least three quotes before making any decision. You should also ask about guarantees for their work. Always, make sure they are licensed. They must be insured. Get everything in writing. This includes the timeline and payment terms.
A good contractor will listen to your ideas and respect your budget. During the entire renovation process, they will keep you updated.
What Is Included in Basement Finishing Services in Montreal?
If you hire professionals for basement finishing services in Montreal, here’s what they often include:
- Design and planning
- Framing, insulation, and drywall
- Lighting and electrical outlets
- Flooring installation
- Bathroom and kitchen setup (if needed)
- Painting and final finishes
- Permits and city inspections
Some companies also include services like clean-up and waste removal in their basement renovation Montreal services. This helps keep your home tidy during the project.
Cost Breakdown: Where Does the Money Go?
Here’s a rough idea of how your renovation budget may be spent:
Item | Estimated Cost |
Framing and Insulation | CA$3,000–$6,000 |
Drywall and Painting | CA$3,000 – $7,000 |
Flooring | CA$3,000 – $7,000 |
Lighting and Electrical | CA$4,000 – $7,000 |
Bathroom (if included) | CA$5,000 – $15,000 |
Kitchenette (optional) | CA$8,000 – $10,000 |
Permits and Fees | CA$500 – $2,000 |
Please note that this is not the exact price. You should always get a detailed quote based on your needs.
Tips to Save Money on Your Basement Renovation

You can lower the cost to remodel basement in Canada. For this, try the following things:
- Choose simple finishes instead of luxury materials.
- Avoid unnecessary features that don’t add much value.
- Do small tasks like painting and installing baseboards yourself.
- Keep the existing layout. This helps to avoid moving plumbing and walls.
- Plan properly to avoid last-minute changes that can cost more.
Conclusion
A finished basement adds value and comfort. It also adds usable space to your home. Whether you want an entertainment area or extra income from a rental unit, renovating your basement is a great idea. In 2025, the basement renovation Montreal market offers many choices for homeowners with different budgets and styles.
You must understand the basement renovation cost in Montreal 2025. After this, hire a good basement contractor to turn your basement into a space that fits your lifestyle. Remember, good planning and smart decisions are the key to getting the best results.
Want to make the most of your basement? Start planning today and talk to the experts at Tross Construction. We offer the best basement finishing services in Montreal that match your needs. For more details, call us now.
FAQs
1. Do I need a permit to renovate my basement in Montreal?
Yes. If you’re adding a bathroom and making major changes. You will also need consent in case you are turning your basement into a rental unit. Before starting, always check with the city.
2. How long does this renovation usually take?
Most renovations take around 6 to 10 weeks. But bigger and more complex projects may take longer (especially if inspections and permits are involved).
3. Can I live in my home during the basement renovation?
Yes, in most cases. But expect some noise and dust. Make sure the work area is closed off from the rest of your property. This is for safety purposes.
4. Will a finished basement improve the home’s resale value?
Yes. It can increase the resale value of a home by up to 15%. You can expect better value if it includes extra living space and a rental suite.
5. Should I finish the basement myself or hire a pro?
Small cosmetic jobs can be done by yourself. But for electrical, plumbing, and structural work, hire licensed professionals. This is to stay safe and meet code requirements.