Basement Renovation in Oakville
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"Transform Your Basement into a Dream Space with Oakvilles’s Basement Experts "
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- Who we are
- What we do
- How we do it
- Why we do it
- Why us
- Who we are
At FinishedBasement.ca, we are a family-owned and operated business proudly serving Oakville and the surrounding areas. Founded by Igor Ivasiv, our company is built on a foundation of integrity, craftsmanship, and unmatched customer care. For over 30 years, we’ve specialized exclusively in basement renovations, allowing us to fine-tune our process and deliver consistently superior results. Our tight-knit team combines the reliability of seasoned professionals with the friendly service of a neighbor you can trust. We treat every basement as if it were our own—because we believe our clients deserve nothing less.
- What we do
We transform underused or unfinished basements into beautiful, functional, and code-compliant living spaces. Whether it’s a cozy family room, an income-generating rental unit, or a professional-grade home office, we bring your vision to life. Our services include full basement finishing, basement construction, waterproofing, custom carpentry, and interior design. We also specialize in legal secondary suites and ensure all work meets Ontario Building Code standards and Oakville’s municipal regulations. From design to completion, we manage every aspect of the project under one roof.
At FinishedBasement.ca, we help Mississauga homeowners transform their basements into high-quality, fully finished spaces designed for comfort, utility, and added home value. Whether you’re dreaming of a luxury entertainment zone, a multi-functional family room, a private gym, or a legal rental unit to generate income—we bring those ideas to life with precision and care.
Our services cover every aspect of the basement renovation journey—from initial concept and 3D design to demolition, construction, and final detailing. We provide expert layout planning, custom millwork, flooring installation, lighting design, drywall, paint, insulation, waterproofing, and more. Every feature is selected to enhance durability, safety, and style—without compromising your budget.
We also specialize in building secondary suites that comply with Mississauga’s legal basement apartment requirements. Our team handles all drawings, permits, and inspections—giving you peace of mind that everything is done right the first time.
With over 2,500 completed projects across the GTA, we know what it takes to deliver beautiful, livable basements that meet the specific needs of local families. We work fast, clean, and with absolute transparency—so you stay informed and in control every step of the way.
- How we do it
Our process starts with a free, no-obligation in-home consultation where we assess your basement, listen to your needs, and offer tailored recommendations. You’ll then visit our state-of-the-art showroom to explore styles, materials, and finishes. Next, we provide a 3D design rendering so you can visualize the transformation. Once you approve the plan, we handle all permits, drawings, and inspections. Our licensed tradespeople then complete the construction with precision and efficiency. Every project concludes with a final walkthrough and a workmanship warranty for your peace of mind.
- Why we do it
At FinishedBasement.ca, our mission goes beyond construction—we help families unlock the full potential of their homes. We know that a well-finished basement can change lives: it can keep loved ones closer, create passive income, support home businesses, or simply make everyday living more enjoyable. In a high-demand real estate market like Oakville, it’s more important than ever to make smart use of every square foot. Our passion is helping homeowners improve their quality of life while adding lasting value to their property.
- Why us
Choosing FinishedBasement.ca means choosing experience, efficiency, and excellence. As Oakville’s go-to basement renovation specialists, we’ve built our reputation on trust, transparency, and top-tier craftsmanship. Our team doesn’t just build basements—we create tailored living environments that align with your lifestyle and future goals. From our in-house designers to our licensed tradespeople, every member of our crew is focused on quality and customer satisfaction.
Unlike general contractors who juggle different types of projects, we work exclusively on basements. That laser-sharp focus has allowed us to streamline our process, reduce construction times, and maintain impeccable standards. Plus, our dedicated project managers keep you informed at every stage, so you’re never left guessing.
We also understand that every Oakville home—and homeowner—is unique. That’s why we don’t offer cookie-cutter solutions. Instead, we personalize every detail, whether it’s optimizing a layout for multi-generational living or designing a custom wet bar for entertaining. And with 342+ verified 5-star reviews and over 2,500 projects completed, we have the track record to prove it.
Basement Renovation Oakville: Transform Your Basement into a Masterpiece
Basements often represent untapped potential in Oakville homes. With proper planning and execution, a basement renovation in Oakville can add functionality, comfort, and substantial value to your property. At FinishedBasement.ca, we specialize in basement finishing and basement construction that caters specifically to homeowners in Oakville and the surrounding areas.
Why Choose Basement Renovation in Oakville?
Oakville is one of the most desirable communities in the Greater Toronto Area, known for its beautiful neighborhoods, excellent schools, and growing real estate value. Renovating your basement is a cost-effective way to expand your living space without the hassle of moving. But beyond just adding square footage, basement renovations offer a world of versatility for homeowners looking to make the most of their property.
Imagine creating a private living space for your grown children or elderly parents, allowing them to live semi-independently while staying close to family. With today’s cost of rent and real estate, converting your basement into a comfortable suite can offer significant savings for your loved ones while increasing the long-term value of your home.
Looking for ways to generate extra income? A finished basement can be transformed into a legal secondary suite or even a short-term rental through platforms like Airbnb. With Oakville’s strong rental demand and proximity to Toronto, many homeowners are capitalizing on this income stream to offset their mortgage or fund future investments.
Not in need of rental income? No problem. A basement can be your personal haven—a custom home gym that saves on monthly memberships, a cozy home theatre for family movie nights, or even a full-service spa retreat where you unwind after a long day. The possibilities are endless.
Working from home? A dedicated basement office offers a quiet, distraction-free environment that enhances productivity. Plus, you may even benefit from tax deductions for your home office setup. Some Oakville homeowners have gone even further, transforming their basement into full-fledged businesses—think dental clinics, photography studios, music rehearsal rooms, or even home-based bakeries.
This kind of flexibility makes basement construction one of the smartest investments for today’s homeowner. Whether you need more space for your family, want to supplement your income, or dream of starting a small business from home, your basement can be the launchpad.
Advantages of Renovating Your Basement:
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Increase property value 🏡
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Add functional space (office, gym, suite) 🛋️
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Save on rent or generate passive income 💸
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Improve energy efficiency 🔋
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Create business opportunities 📈
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Enhance comfort and livability
About our business
Experience the Personal Touch of Our Family-Owned Business
At FinishedBasement.ca, we’re more than just a renovation company—we’re a family-owned business with a passion for helping other families. For over 30 years, we’ve proudly served homeowners across Mississauga and the Greater Toronto Area, transforming thousands of basements into vibrant, functional living spaces. From our founders to our design consultants and tradespeople, everyone on our team shares the same mission: to treat every project like it’s being done in our own home. We don’t cut corners, we don’t outsource work, and we never compromise on quality. What you get is honest service, expert craftsmanship, and a personal commitment to your satisfaction.
Being a family-run operation means we care deeply about the experience you have from day one. You’ll meet the people behind the brand—real professionals who take the time to understand your needs, answer your questions, and guide you every step of the way. We know how important your home is, especially in a city like Mississauga where space is precious and property value matters. That’s why we designed a seamless, in-house renovation system to ensure everything is handled under one roof—fast, efficient, and stress-free. When you choose FinishedBasement.ca, you’re not just hiring a contractor—you’re partnering with a team that treats you like family.
31
Years
in Business3800+
BASEMENTS
We Built and Renovated600+
REVIEWS
From Satisfied ClientsOakville Building Permit Requirements
Before you start any basement construction in Oakville, it’s important to understand the permit process. Permits ensure your renovation complies with the Ontario Building Code (OBC) and local bylaws. The Town of Oakville provides clear guidelines for homeowners looking to finish or modify their basement space.
According to the Town of Oakville’s official finished basement guide, you need a building permit if you’re planning to:
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Finish a basement in a newly built or older home
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Add or remove walls
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Install or relocate plumbing fixtures
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Create a separate entrance or second dwelling unit
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Modify HVAC, insulation, or electrical systems
These permits are not just red tape—they help ensure safety, compliance with fire separation standards, and proper ventilation. Under the 2024 Ontario Building Code, Division B Part 9 (which governs housing and small buildings), any finished basement work must meet minimum ceiling height requirements of 6 ft 11 in (2.1m) and ensure proper egress routes for fire safety (e.g., egress windows for bedrooms).
Distinguishing Between Personal-Use and Second Dwelling Basements
A critical factor in your renovation plan is whether your basement is for personal use or intended as a legal second dwelling unit. Here’s what each involves:
Personal-Use Basement:
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Used by the primary occupants of the house
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Does not contain a separate kitchen or entrance
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May include entertainment areas, offices, gyms, or guest rooms
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Simpler permit and inspection process
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Requires general code compliance (e.g., fire safety, structural integrity, moisture protection)
Legal Second Dwelling Unit:
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Must be self-contained, including a kitchen, bathroom, and sleeping space
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Requires a separate entrance (or shared entrance with fire-rated separation)
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Needs additional fire separation between units (minimum 30-minute fire resistance per OBC)
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Dedicated HVAC and soundproofing often required
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Zoning clearance may be needed, depending on your location in Oakville
Each use case has unique implications for design, materials, and permit scope. For example, soundproofing and fire safety upgrades are mandatory for legal units, while personal-use basements can often be completed with standard materials and fewer regulatory hurdles.
How Much Does a Permit Cost?
As of 2025, the base city fee of a building permit to finish a basement in Oakville is approximately $313.60. Additional fees may apply depending on the project size and scope. If you are adding a second dwelling unit, be prepared for increased permitting complexity and possibly additional development charges.
You may also need to submit:
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Architectural drawings
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HVAC and electrical layouts
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Plumbing schematics (if applicable)
A qualified contractor or design consultant can help navigate this paperwork.
More info: Oakville Building Services
Basement Renovation Costs in Oakville
The cost of a basement renovation in Oakville depends on size, design complexity, and your selected finishes. Generally, expect to pay between $30,000 to $100,000+.
What Affects the Cost?
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Size of basement
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Type of materials
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Plumbing/electrical work
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Custom design features
Personal-Use Basement vs. Legal Secondary Suite
Homeowners must distinguish between personal-use basements and second units, as they involve different rules and requirements.
Personal-Use Basement:
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No separate entrance required
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No additional kitchen
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Easier permit process
Second Dwelling Unit:
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Must have egress windows
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Independent HVAC, electrical, and plumbing
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Fire separation and soundproofing
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May require zoning clearance
Learn more about adding a second unit: Ontario Guide
Our Process
01
We begin every project with a free in-home estimate. Our team visits your Oakville home to assess the space, understand your goals, and answer your initial questions. We take measurements, offer ideas based on your lifestyle and budget, and begin the outline of a customized renovation plan. No pressure, no obligation—just expert insight to get you started.
After your consultation, you’ll be invited to our fully equipped showroom, where you can explore flooring, cabinetry, lighting, fixtures, and design elements firsthand. Our design consultants will guide you through different material options, finishes, and layouts. This visit helps you visualize your basement transformation and finalize your preferences with clarity.
02
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Once your style choices are made, we provide a detailed 3D design rendering of your future basement. This visual blueprint shows room configurations, furniture placement, lighting concepts, and even paint color options. You can request changes and explore different versions to ensure the layout matches your exact vision before we build a single wall.
With plans approved, our licensed and insured team begins construction. From framing and electrical rough-ins to insulation, drywall, flooring, and trim, every step is performed to the highest standard. We use quality materials and precise craftsmanship, ensuring the basement is built to last—and looks stunning.
04
05
Once construction is complete, we walk through the finished basement with you to ensure every detail meets your expectations. Final adjustments are made if needed, and we leave you with a professionally cleaned, move-in ready space. All work is backed by a warranty for your peace of mind. Final walk-through with you, including warranty and quality check.
Our process ends with your satisfaction—and often, your glowing review. We take pride in building lasting relationships with Mississauga homeowners, many of whom refer friends and family after seeing the results. Once your renovation is complete, we invite you to share your experience and feedback. It’s not just about showcasing your new space—it’s about celebrating the journey. Your testimonial helps others feel confident in choosing FinishedBasement.ca for their own dream basement transformation.
06
Custom Basement Finishing Ideas for Oakville Homes
Basements are incredibly flexible spaces that can be tailored to suit your lifestyle, hobbies, and long-term goals. In Oakville, homeowners are increasingly recognizing the value of transforming their basements into unique, high-functioning extensions of their homes. Whether you’re seeking a peaceful retreat, a source of income, or a place to nurture your passion, a finished basement can meet those needs—and more.
The right design doesn’t just increase livable square footage; it creates opportunity. Imagine skipping traffic and crowds by working out in your personal gym, enjoying movie nights with a state-of-the-art home theatre, or hosting friends and family in a fully equipped guest suite. If you work remotely, a quiet home office downstairs can offer the privacy you need for focus and productivity. And for families, a dedicated kids’ playroom keeps toys and noise away from the main level.
Your basement can also serve a more specialized purpose. Some Oakville homeowners have turned their spaces into art studios, music rehearsal rooms, or even small businesses. The possibilities are endless—and we’re here to help bring your vision to life.
Home Theatre 🎬
A home theatre brings cinema-quality entertainment into the comfort of your own home. We design fully soundproofed rooms equipped with built-in surround sound, reclining theatre seating, blackout drapes, and ultra-high-definition projectors or large LED displays. Whether you’re watching the latest blockbuster or hosting a family movie night, your home theatre will deliver an immersive experience. Oakville homeowners love this upgrade, especially during long winters when cozy indoor entertainment becomes even more desirable.
Personal Gym 🏋️
Transform your basement into a fully equipped fitness zone tailored to your workout preferences. From reinforced floors that support heavy equipment to mirrors, rubber flooring, and smart lighting, we build gyms that inspire daily use. Add wall-mounted TVs, sound systems, and even a sauna or steam room for post-workout recovery. Building a personal gym not only saves time and monthly membership fees, but also adds convenience and motivation to your fitness journey.
Wine Cellar 🍷
Wine enthusiasts in Oakville are increasingly adding climate-controlled wine cellars to their basements. These custom spaces not only store your collection in optimal conditions but also serve as elegant entertaining spots. Features can include tasting bars, accent lighting, racking systems, and unique finishes like reclaimed wood or stone. Whether you’re a collector or a casual connoisseur, a wine cellar brings sophistication and functionality to your finished basement.
Guest Suite 🛏️
Perfect for hosting extended family or visiting friends, a basement guest suite offers privacy and comfort. We include full bathrooms, soundproofing, and generous storage to create a space that rivals any hotel. Add a kitchenette for even more independence. Whether it’s used seasonally or year-round, a guest suite is an excellent way to make visitors feel welcome while maintaining boundaries in your main living areas.
Kids' Playroom 🎮
Create a colorful, imaginative, and safe environment where your children can play, learn, and grow. Oakville parents love having a dedicated space for toys, crafts, reading nooks, and interactive learning zones. We incorporate soft flooring, built-in storage, writable walls, and age-appropriate lighting to make cleanup easy and the space adaptable as your kids grow. Plus, keeping playtime downstairs helps maintain order upstairs.
Home Office 💼
With remote work now a long-term reality for many, a dedicated home office has never been more valuable. We design professional, distraction-free environments that include built-in desks, ergonomic lighting, sound insulation, and high-speed internet wiring. For self-employed individuals in Oakville, a basement office may also offer tax deductions. From creative studios to consulting spaces, this setup increases productivity and elevates work-life balance.
Common Challenges (and How We Solve Them)
1. Moisture and Water Damage
One of the most common issues in Oakville basements is moisture infiltration due to below-grade construction and seasonal weather changes. To combat this, we begin by inspecting your foundation for cracks, water stains, or signs of seepage. We install a high-quality waterproof membrane along the walls and floors, apply sealants where needed, and incorporate a modern sump pump system with backup battery to prevent flooding. Drainage boards, dimple membranes, and proper grading around your home ensure that water flows away from your foundation. For added peace of mind, we recommend including a dehumidifier and moisture-resistant insulation to maintain a dry, comfortable environment year-round.
2. Low Ceiling Heights
Older Oakville homes often come with lower basement ceilings, which can create design and usability limitations. We address this by using space-saving construction methods like recessed lighting and duct re-routing. In some cases, we can lower the basement floor through underpinning to achieve additional ceiling height (where feasible and permitted). For visual comfort, we also recommend smooth ceilings and strategic color palettes that make the space feel more expansive. We work within code requirements to maximize usable headroom without compromising safety or functionality.
3. Natural Light
Basements typically lack natural light, making them feel closed off and gloomy. Our solution includes installing larger egress windows or window wells that meet Ontario Building Code requirements, especially if you’re adding a bedroom. We also use reflective finishes, glass doors, light-colored flooring, and high-efficiency LED lighting to brighten the space. Smart layouts ensure that natural light from existing windows is maximized across open areas, and mirrors or daylight-mimicking lights can enhance ambiance where windows aren’t possible.
4. Structural Beams & HVAC
Beams, ducts, and plumbing stacks often run through basements in inconvenient places. Instead of moving major infrastructure—which can be costly and unnecessary—we creatively design around them. We incorporate architectural soffits, bulkheads, or built-in cabinetry to hide obstructions while adding function. In some cases, we reroute ductwork or convert to high-efficiency systems that take up less space. Every modification is done within code and structural safety guidelines to maintain both aesthetics and performance.
5. Soundproofing for Secondary Suites
If you're building a legal second dwelling unit in your Oakville basement, soundproofing is not optional—it's a requirement under OBC for fire separation and occupant comfort. We install resilient channel framing, sound-dampening insulation (such as Roxul Safe'n'Sound), and double-layered drywall with acoustic sealant. These elements form an effective barrier against airborne noise. For additional performance, we use solid-core doors with weatherstripping, floor underlayments with acoustic value, and dedicated HVAC returns to minimize cross-talk between units. Our techniques ensure your basement remains quiet, safe, and private whether you're renting it out or housing extended family.
FREE CONSULTATION
Meet Our Sales
Manager, Vitaliy
Vitaliy
FREE CONSULTATION
Meet Our Sales
Manager, Vitaliy
Basement Renovation Showroom:
Experience Your Future Space
Showroom - 3000 square foot
How long does a basement renovation in Oakville take?
On average, a basement renovation in Oakville takes between 2 to 3 weeks. The duration depends on several factors including the size of your basement, the complexity of the design, the availability of materials, and most importantly, the permit approval timeline. While basic renovations may move quicker, legal second units or more elaborate builds involving plumbing, electrical, and HVAC systems will take longer due to inspection stages and zoning reviews. At FinishedBasement.ca, we manage every step—from permits to final finishes—to ensure the project remains on schedule.
Do I need a permit to finish my basement in Oakville?
Yes, you require a building permit for most basement renovation projects in Oakville. According to the Town of Oakville and Ontario Building Code, permits are mandatory when adding walls, plumbing, or converting the basement into a legal second dwelling. Even cosmetic work may require inspection to ensure safety and code compliance. We prepare and submit all necessary architectural drawings and coordinate with inspectors, making the process stress-free for our clients.
How much does a basement renovation cost in Oakville?
The typical cost of finishing a basement in Oakville ranges from $30,000 to $100,000+. Price is influenced by square footage, material selection, scope of work, and whether the basement will serve as a personal-use space or legal second suite. Add-ons like kitchens, bathrooms, and specialty rooms (home theatre, gym, etc.) will increase the total. We provide transparent, itemized quotes so you can budget confidently without hidden surprises.
Can I turn my basement into a rental unit?
Absolutely. Creating a legal basement apartment is a great way to generate passive income. However, it requires meeting Ontario Building Code standards for fire separation, egress windows, soundproofing, dedicated HVAC systems, and often a separate entrance. You may also need zoning clearance in some Oakville neighborhoods. We’ve helped dozens of homeowners through this process and ensure all plans are compliant before construction begins.
Do you provide waterproofing services?
Yes, every basement renovation we complete includes a moisture management strategy. Oakville’s climate and underground positioning make basements vulnerable to leaks and dampness. We install waterproof membranes, vapor barriers, sump pumps, and moisture-resistant insulation. Whether it’s preventative or corrective waterproofing, our approach guarantees a dry, healthy living space.
Is the basement suitable for home offices or gyms?
Definitely. In fact, home offices and personal gyms are among our most requested features. A well-finished basement provides the perfect separation from everyday distractions. We soundproof walls, wire high-speed internet, optimize lighting, and install HVAC for climate control. These setups not only improve quality of life but may qualify for home office tax deductions if used for business purposes.
What design features do most Oakville homeowners request?
Oakville residents often ask for open-concept family rooms, spa-like bathrooms, wet bars, built-in storage, and multipurpose guest rooms. Our showroom provides hundreds of finishes and layout ideas to inspire your custom design. We also integrate smart lighting, heated floors, and modern cabinetry to create a functional and stylish space.
Can I visit a showroom before deciding?
Yes! We welcome every prospective client to visit our state-of-the-art showroom in Mississauga. You’ll see finishes, materials, lighting setups, cabinetry styles, flooring samples, and live design stations. It’s a hands-on experience where we work with you to bring your dream basement to life.
What warranties do you offer?
All of our basement renovations come with a comprehensive warranty package that covers workmanship and materials. We believe in our work, and our reviews back that up. In addition to warranty support, we also offer post-renovation service to address any concerns that may arise after project completion.
What’s included in a full basement renovation package?
A full basement renovation with FinishedBasement.ca includes everything you need from concept to completion. That means layout planning, 3D design, framing, insulation, electrical, plumbing, HVAC adjustments, drywall, painting, flooring, ceiling finish, lighting, trim, and millwork. We also manage permits, inspections, and city requirements in Oakville —especially if you’re building a legal suite. Want a custom feature like a home theatre, wet bar, or sauna? We do that too. Every detail is covered under one fixed-price contract. No hidden fees, no subcontractor delays. Our team of designers, licensed trades, and project managers deliver a fast, clean, high-quality renovation—so your basement is move-in ready in just weeks.
How do I get started with FinishedBasement.ca?
Getting started is easy. Just book a free estimate — we’ll visit your home, assess your space, and discuss your ideas. Within days, you’ll receive a detailed fixed-price quote and a custom 3D design. Then, visit our showroom to select materials and finishes with the help of our design consultants. Once approved, we’ll handle permits, planning, and construction from start to finish. Most projects are completed in just 3 weeks. Whether you’re looking to build a legal apartment, a personal gym, or a cozy guest suite, we make the process simple, fast, and enjoyable. Let’s bring your basement vision to life — starting today.