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Basement Renovation Services in Toronto

Connect with experienced basement contractors for residential projects across the Greater Toronto Area. From full finishing to waterproofing and underpinning, we match you with the right pro.

Basement Finishing & Renovations

Complete basement finishing and renovation services across Toronto and the GTA, transforming unfinished lower levels into fully livable spaces with framing, insulation, drywall, flooring, electrical, and plumbing.

From $35
  • Full-scope finishing from unfinished concrete to move-in ready
  • Framing, insulation, drywall, flooring, ceiling, and trim
  • Electrical, plumbing, and HVAC rough-in and finishing
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Basement Waterproofing

Interior and exterior basement waterproofing for Toronto and GTA homes, including weeping tile installation, sump pumps, foundation crack repair, and exterior membrane systems.

From $5,000
  • Interior perimeter drainage and weeping tile systems
  • Sump pump installation with battery backup
  • Foundation crack injection (polyurethane and epoxy)
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Basement Underpinning & Lowering

Basement underpinning and floor lowering to increase ceiling height in Toronto and GTA homes, creating legal living space from shallow basements with full structural engineering.

From $50
  • Bench footing and full-depth underpinning methods
  • Licensed structural engineering and permit drawings
  • City of Toronto building permit and inspection coordination
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Egress Window Installation

Code-compliant egress window installation for Toronto and GTA basements, meeting Ontario Building Code requirements for bedroom escape routes and secondary suite legalization.

From $3,000
  • Ontario Building Code compliant sizing (min 3.77 sqft opening)
  • Foundation wall cutting for concrete and block walls
  • Window well excavation, construction, and drainage
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Basement Bathroom Addition

Basement bathroom installation for Toronto and GTA homes, including rough-in plumbing, concrete cutting, up-flush systems, ventilation, waterproofing, and full finishing.

From $15,000
  • Rough-in plumbing with concrete slab cutting and drain connection
  • Macerating (up-flush) toilet systems for difficult plumbing layouts
  • Ontario Building Code compliant exhaust ventilation to exterior
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Basement Flooring Installation

Basement flooring solutions for Toronto and GTA homes, including luxury vinyl plank, engineered hardwood, tile, epoxy, subfloor systems, and radiant in-floor heating.

From $5
  • Luxury vinyl plank (LVP) — waterproof and dimensionally stable
  • Engineered hardwood with vapour barrier subfloor systems
  • Porcelain tile for bathrooms, laundry, and high-moisture areas
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Basement Framing & Insulation

Basement framing and insulation for Toronto and GTA homes, including steel and wood stud walls, rigid foam, spray foam, batt insulation, and Ontario Building Code R-value compliance.

From $3
  • Wood and steel stud framing with foundation standoff
  • Rigid foam insulation (XPS/EPS) against foundation walls
  • Closed-cell spray foam for combined insulation and vapour barrier
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