Basement Renovation in Toronto, ON

Basement renovation costs in Toronto typically range from $20,000 to $70,000 depending on the size, whether you're adding a bathroom or kitchen, and the quality of finishes. A basic basement finishing with flooring, drywall, and lighting usually costs $20,000 to $35,000, while a full basement apartment conversion with a separate entrance can reach $50,000 to $70,000 or more.

Yes, basement renovations in Toronto require building permits from the Toronto Building (City of Toronto) for framing, electrical, plumbing, and HVAC work. If you're creating a basement apartment, additional permits and inspections are required to ensure it meets fire code, egress, and the Ontario Building Code. We handle the entire permit process for you.

Yes, we build legal basement apartments in Toronto that comply with the Ontario Building Code, fire code, and local zoning bylaws. This includes proper egress windows, fire separation, separate mechanical systems, and — where required — a separate entrance. Toronto Building issues permits for Canada's largest city with specific requirements for heritage conservation districts (over 30 HCDs), ravine and natural feature protections, and committee of adjustment approvals for variances.

Before any finishing work, we conduct a thorough moisture assessment of your Toronto basement. Solutions may include interior weeping tile and sump pump installation, crack injection, exterior waterproofing, and high-quality vapour barriers. We never finish over moisture problems — we fix them first to protect your investment.

A typical basement renovation in Toronto takes 4 to 8 weeks depending on the scope. Basic finishing (framing, drywall, flooring, lighting) usually takes 4 to 5 weeks. Full basement apartment conversions with bathrooms, kitchens, and separate entrances can take 6 to 8 weeks. We provide a detailed schedule with your estimate.