Basement Finishing Cost in Toronto (2026)
Average cost in Toronto
$25,000 – $150,000
$65 – $130 per sq ft
In Toronto, the average is $73,598 and most projects cost between $25,000 and $150,000, or about $65 – $130 per sq ft. Prices are before tax and based on 9 sources.
Cost Breakdown
ItemizedSkilled trades and general construction
45%
Lumber, drywall, flooring, and finishes
30%
Plumbing, electrical, and HVAC updates
15%
City fees and architectural drawings
5%
Buffer for unexpected site conditions
5%
HST at 13%
📋What's Included
ScopeTypically Includes
- Framing & drywall
- Basic flooring (LVP or carpet)
- Electrical (outlets & lighting)
- Egress window (if required)
- Painting
- Basic bathroom rough-in
Typically Excludes
- Full basement bathroom
- Built-in bar or kitchen
- Home theater wiring
- Waterproofing (separate cost)
- Permits & inspections
Assumes an unfinished basement with existing concrete floor and basic utilities.
🧮Estimate your project
LiveYour estimate in Toronto
Likely range $33,119 – $149,999
- Labor45%$33,119
- Materials30%$22,079
- Mechanical15%$11,040
- Permits & Design5%$3,680
- Contingency5%$3,680
Basic (rec room)
$51,199
Standard (bedroom + bath)
$73,598
Premium (full suite)
$104,958
Calibrated to 9 researched sources for Toronto. Before tax. Real quotes vary with site conditions.
📈Price Momentum
Year-over-year~1 year ago
$68,977
Today
$73,598
Basement Finishing in Toronto is ↑ 6.7% compared to roughly a year ago — about $4,621 more on the average project.
Comparison derived from the year-over-year change rate, not a month-by-month price index. We don't store historical snapshots yet — when we do, this will become a real time series.
🏢Top Basement Finish Contractors in Toronto
Verified providersCD Flood & Sewer Water Damage Cleanup
77 Bloor St W #636, Toronto, ON M5S 1M2, Canada
398 reviews
The Reno Pros
2 St Clair Ave W 18th Floor, Toronto, ON M4V 1L5, Canada
66 reviews
CSG Renovation
30 Powerhouse St 101 Office G12, Toronto, ON M6H 0C6, Canada
74 reviews
Basement Finishing Company
219 Connie Crescent Unit 11a, Concord, ON L4K 1L4, Canada
58 reviews
Provider data sourced from public business directories. Ratings and reviews are public and may change. LookupCost is not affiliated with listed providers.
💬What People Actually Paid
Community❓Common Questions
A legal secondary suite typically costs between $90,000 and $140,000. This premium is driven by mandatory fire-rated separations, separate entrances, and updated 2025 HVAC zoning requirements.
City of Toronto building permit fees for 2026 are approximately $1,000 to $1,500, but homeowners should budget an additional $2,000 to $5,000 for required professional architectural drawings.
If your basement is below the 1.95-metre (6'5") habitable height requirement, underpinning typically costs between $30,000 and $80,000 depending on the linear footage and soil conditions.
Yes. Homes built before 1970 often require interior or exterior waterproofing, which adds $10,000 to $20,000 to the budget. Pre-1980s homes may also require $3,000 to $10,000 for asbestos abatement.
📊Our Methodology
How we collect dataAggregated from 5+ verified web sources and cost databases
Licensed contractor estimates and regional cost guides
Government construction and labor statistics
Community-reported project costs and reviews
Last data collection: 3 weeks ago. Updates run weekly. All costs in CAD.
About this data
Cost figures are estimates synthesized from public market data using AI research and refreshed regularly. Real project costs vary by scope, materials, contractor, and site conditions. Always get verified quotes from licensed contractors for your specific project.
Spotted bad data? Let us know — we'll review and update.