Basement Finishing Cost in Toronto (2026)
Average cost in Toronto
$35,000 — $150,000
$45 — $150 per sq ft
Cost Breakdown
ItemizedSkilled trades (electricians, plumbers, carpenters)
45%
Lumber, drywall, flooring, and fixtures
35%
Rough-ins, lighting, and bathroom fixtures
15%
City of Toronto fees and architectural drawings
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 Cost
InteractiveEstimated Cost
$30,120 — $45,180
Based on 12 sources and market data for Toronto. Actual costs may vary depending on specific project requirements.
📈Price Momentum
Year-over-year~1 year ago
$63,716
Today
$65,500
Basement Finishing in Toronto is ↑ 2.8% compared to roughly a year ago — about $1,784 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
387 reviews
Astaneh Construction
3080 Yonge St Ste 6060, Toronto, ON M5M 1A1, Canada
121 reviews
Harmony Basements
156 Chrislea Rd #4, Woodbridge, ON L4L 8V1, Canada
82 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
Adding a 3-piece bathroom typically costs between $18,000 and $30,000, depending on the proximity to existing plumbing stacks and the quality of finishes.
A legal basement suite, which requires fire separation, a separate entrance, and specific HVAC upgrades, generally ranges from $80,000 to $150,000.
The City of Toronto has a minimum permit fee of $214.79 for 2026, with an hourly inspection fee of $92.79. Most homeowners should budget $500 to $2,000 for total permit costs.
Homeowners can expect an ROI of approximately 70%, with a finished basement typically increasing a home's total resale value by 10% to 20%.
📊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: 4 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.