Scarborough's trusted renovation contractor — kitchens, bathrooms, basements & more

Basement Renovation & Finishing in Toronto & Scarborough

Turn your unfinished basement into a beautiful, income-generating living space. SM Builders offers professional basement finishing, apartment conversions, and legalization services across Scarborough, Toronto, and the GTA.

Scarborough's Trusted Basement Renovation Contractor

Your basement is one of the most underutilized — and most valuable — spaces in your home. SM Builders is a specialist basement renovation and home renovation contractor serving Toronto, Scarborough, and surrounding GTA communities. We transform cold, unfinished basements into warm, modern living areas that add real value to your property.

From simple basement finishing projects to full basement apartment conversions and legalization, we handle every step of the process — including permits, inspections, framing, insulation, drywall, flooring, plumbing, electrical, and final finishes.

Wondering about basement renovation cost in Toronto for 2025? A typical finished basement in the GTA ranges from $30,000 to $80,000+ depending on size and scope. We provide transparent, itemized quotes with no surprises — and help you maximize your return on investment.

What We Offer

Our Basement Renovation Services Include

  • Complete basement finishing — framing, insulation, drywall
  • Basement apartment conversion with separate entrance
  • Basement legalization — permits, inspections, compliance
  • Waterproofing and moisture barrier installation
  • Full bathroom renovation, laundry room rough-in and finishing
  • Egress window installation for legal bedroom requirements
  • Pot light, resource-efficient LED lighting installation
  • Flooring — LVP, laminate, ceramic tile, carpet
  • Custom built-in storage, bars, and entertainment areas
  • Soundproofing between floors for basement apartments

Why Choose SM Builders for Your Basement Renovation?

  • Basement legalization experts — we know Scarborough and Toronto city requirements
  • One-stop-shop: design, permits, construction all handled by our team
  • Strong rental income potential — basement apartments in Toronto earn $1,500–$2,200/mo
  • Certified, insured, and Ontario Building Code compliant
  • Clean, organized work site throughout the project
  • Serving Scarborough, Toronto, Vaughan, Mississauga & surrounding GTA

Unlock the value hiding in your basement.

Call SM Builders at 647 331 7366 for a FREE basement renovation estimate in Toronto or Scarborough. We’ll assess your space, discuss your goals, and deliver a detailed proposal within 48 hours.

Frequently Asked Questions

Yes. We can design and finish your basement to meet local building codes, ensuring it's safe, functional, and ready for rental. Most legal basement apartments in Toronto also require a side entrance addition for independent access — a service we handle in-house.

Timelines vary by project size, but most basement renovations are completed within 6–10 weeks. A detailed schedule is shared before we begin.

Absolutely. We address moisture, insulation, and ventilation needs to ensure your basement stays dry, energy-efficient, and comfortable year-round.

Yes. Whether you want a home theater, gym, or workspace, we design and build to match your lifestyle and vision.