Basement Finishing Cost in Windsor (2026)
Average cost in Windsor
$32,000 — $115,000
$35 — $95 per sq ft
Cost Breakdown
ItemizedSkilled trades, framing, and project management
45%
Lumber, drywall, LVP flooring, and insulation
30%
Electrical, plumbing rough-ins, and HVAC extensions
15%
Municipal fees and BCIN-stamped drawings
5%
Buffer for moisture issues or structural repairs
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
$25,080 — $37,620
Based on 8 sources and market data for Windsor. Actual costs may vary depending on specific project requirements.
📈Price Momentum
Year-over-year~1 year ago
$58,223
Today
$61,483
Basement Finishing in Windsor is ↑ 5.6% compared to roughly a year ago — about $3,260 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 Windsor
Verified providersJSM Construction Limited
988 Watson Ave, Windsor, ON N8S 3T2, Canada
132 reviews
DC Basement Waterproofing
2221 Dougall Ave, Windsor, ON N8X 1S7, Canada
402 reviews
RSW HOME RENOVATION
192 Hampton Crescent, Windsor, ON N9E 4M4, Canada
67 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
In 2026, a standard basement finishing permit in Windsor typically costs between $206 and $600 CAD, depending on the floor area. Additional permits for plumbing or electrical work may be required separately.
Installing a code-compliant egress window in Windsor-Essex costs between $3,500 and $8,000 CAD per opening. This includes the foundation cut, window unit, and a drainage-equipped window well.
A full conversion of an unfinished basement into a legal secondary suite in Windsor ranges from $60,000 to $130,000 CAD. This higher cost accounts for fire-rated separations, a separate entrance, and a full kitchen.
Most professional basement finishing projects in Windsor take 6 to 12 weeks to complete. Permit approval through the Windsor Building Division usually adds an additional 10 to 15 business days to the start date.
📊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: today. 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.