Complete Basement Finishing
Framing, insulation, drywall, flooring, lighting, and finishes that turn raw space into comfortable rooms.
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Basement Renovations
Basement Renovations — Ontario's Most Trusted Basement Contractors
Turn Your Basement Into Your Favourite Room
Your basement is the single biggest opportunity in your home to add living space and value — and most homeowners are barely using it. RenoBuzz specializes in transforming unfinished and outdated basements into beautiful, functional spaces your whole family will love. From cozy family rooms to income-generating legal suites, we handle every aspect of your basement renovation from start to finish.
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Our Basement Renovation Services
Legal Basement Apartments
Code-compliant secondary suites that generate $1,500–$2,500/month in rental income.
Learn MoreHome Theatres & Rec Rooms
Custom entertainment spaces with acoustic treatment and ambient lighting.
Home Gyms
Durable flooring, mirrors, ventilation and electrical for the perfect home workout space.
Basement Waterproofing
Interior and exterior systems to keep your basement permanently dry.
Learn MoreEgress Windows
Required for legal bedrooms and suites, improving both safety and natural light.
What's Included in a Basement Renovation
Every RenoBuzz basement renovation includes everything you need, managed end to end so you don't have to.
- Free in-home consultation
- Detailed design
- Fixed-price quote
- Full permit handling
- Professional construction by our licensed crew
- Daily progress updates
- Final inspection
- Written workmanship warranty
Basement Renovation Cost in Ontario
$45,000–$55,000
Typical 700 sq ft finish
Basement renovation costs in the GTA typically range from $35,000 to $80,000+ depending on the size of your basement, the level of finishes, and whether you're adding plumbing for a bathroom or kitchen. A standard 700 sq ft basement finish runs approximately $45,000–$55,000. The best way to know your exact cost is a free, no-obligation quote.
Do You Need a Permit?
Yes — most basement renovations in Ontario require a building permit, especially when adding bedrooms, bathrooms, or a separate suite. The good news: we handle all permits and inspections for you. Our team knows the local building codes in every city we serve.
Serving the Entire GTA
We provide basement renovations throughout Mississauga, Brampton, Oakville, Milton, Etobicoke and Toronto. Visit your city's page below for local information, or request your free quote today.
- Mississauga
- Brampton
- Oakville
- Milton
- Etobicoke
- Toronto
Ready to Transform Your Basement?
Get a free, no-obligation quote and find out what your finished basement could look like.
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