Basement Waterproofing Cost in Windsor (2026)
Average cost in Windsor
$3,500 — $22,000
$75 — $275 per sq ft
Cost Breakdown
ItemizedExcavation and installation
55%
Membranes, weeping tiles, gravel
30%
Shoring and debris removal
10%
City of Windsor requirements
5%
HST at 13%
📋What's Included
ScopeTypically Includes
- Interior drain tile system
- Sump pump installation
- Vapor barrier
- Crack injection sealing
- Labor
Typically Excludes
- Exterior excavation waterproofing
- Foundation repair
- Mold remediation
- Dehumidifier
- Landscaping restoration
Based on interior waterproofing for a standard 800-1,000 sq ft basement.
🧮Estimate Your Cost
InteractiveEstimated Cost
$5,760 — $8,640
Based on 9 sources and market data for Windsor. Actual costs may vary depending on specific project requirements.
📈Price Momentum
Year-over-year~1 year ago
$9,019
Today
$9,669
Basement Waterproofing in Windsor is ↑ 7.2% compared to roughly a year ago — about $649 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 Waterproofing Contractors in Windsor
Verified providersDry-Rite Basement Waterproofing and Concrete Raising
700 Talbot Rd, Maidstone, ON N0R 1K0, Canada
272 reviews
DC Basement Waterproofing
2221 Dougall Ave, Windsor, ON N8X 1S7, Canada
394 reviews
Supreme Basement Solutions
5156 Ure St Suite 2, Oldcastle, ON N0R 1L0, Canada
113 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
Yes, the Basement Flooding Protection Subsidy Program (BFP) offers Windsor residents up to $3,500 in lifetime subsidies for installing backwater valves and sump pumps.
In 2026, a professional sump pump installation typically ranges from $1,000 to $3,000, with the City of Windsor providing a subsidy of up to $2,000 for eligible units.
Windsor's heavy clay soil retains more moisture and is harder to excavate, often requiring more labor and specialized backfill materials like clear stone, which can increase costs by 15-20%.
Interior waterproofing in Windsor averages $75–$150 per linear foot, while exterior waterproofing, which requires full excavation, ranges from $150 to $275+ per linear foot.
📊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 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.