Basement Waterproofing Cost in Windsor (2026)
Average cost in Windsor
$5,000 — $35,000
$70 — $350 per linear ft
Cost Breakdown
ItemizedExcavation, installation, and backfill
45%
Membranes, weeping tiles, sump pumps, sealants
35%
Heavy machinery for digging and shoring
15%
Municipal permits and inspections
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 6 sources and market data for Windsor. Actual costs may vary depending on specific project requirements.
🏢Top Waterproofing Contractors in Windsor
Verified providersDry-Rite Basement Waterproofing and Concrete Raising
700 Talbot Rd, Maidstone, ON N0R 1K0, Canada
263 reviews
DC Basement Waterproofing
2221 Dougall Ave, Windsor, ON N8X 1S7, Canada
392 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
In Windsor, interior waterproofing typically costs $70 to $150 per linear foot, while exterior waterproofing involving excavation ranges from $150 to $350 per linear foot.
Most homeowners in Windsor spend between $7,000 and $15,000 for interior systems, and $15,000 to $35,000 for full exterior excavation, making the overall average around $12,500.
Yes, the City of Windsor offers a Basement Flooding Protection Subsidy Program (BFP) which provides financial subsidies up to $2,800 for eligible improvements like installing a sump pump (typically $565-$3,500) and backwater valve (typically $1,500-$3,700).
Exterior waterproofing ($150-$350/lin ft) is the most permanent solution as it stops water before it enters the foundation, which is ideal for Windsor's heavy rains and clay soil. Interior waterproofing ($70-$150/lin ft) is more cost-effective and manages water that has already entered the basement.
📊Our Methodology
How we collect dataAggregated from 6+ 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.