Basement Finishing Cost in Windsor (2026)
Average cost in Windsor
$28,000 — $95,000
$35 — $95 per sq ft
Cost Breakdown
ItemizedFraming, drywall, and finishing trades
35%
Lumber, flooring, paint, and fixtures
45%
Licensed trade rough-ins and fixtures
10%
City of Windsor fees and BCIN drawings
5%
Unexpected repairs or moisture issues
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
$51,003
Today
$53,145
Basement Finishing in Windsor is ↑ 4.2% compared to roughly a year ago — about $2,142 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
117 reviews
DC Basement Waterproofing
2221 Dougall Ave, Windsor, ON N8X 1S7, Canada
394 reviews
RSW HOME RENOVATION
192 Hampton Crescent, Windsor, ON N9E 4M4, Canada
66 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
According to the City of Windsor's 2026 Schedule 3, the base permit fee for finished basement floor area is $1.86 per sq ft ($20.00 per sq m), with a minimum permit fee of $250.00. Additional costs include a $70.00 zoning certificate fee and potential mechanical fees of $500.00 if creating a new dwelling unit.
Adding a new 3-piece bathroom typically costs between $10,000 and $25,000 in 2026. This includes roughly $3,500 to $7,000 for the plumbing rough-in (trenching concrete) and the remainder for tiling, fixtures, and ventilation.
Yes, the Windsor Building Division requires a permit for any project that adds or modifies rooms, changes structural components, or involves new plumbing and electrical work. Permits typically take 10–15 business days for review.
Homeowners in Windsor can expect a Return on Investment (ROI) of approximately 70%. With the 2026 infrastructure boom and the new regional hospital project, finished basements—especially those configured as legal rental suites—are seeing higher demand.
📊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: 2 days 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.