Basement Waterproofing Cost in Windsor (2026)
Average cost in Windsor
$3,000 — $25,000
$90 — $250 per sq ft
Cost Breakdown
ItemizedExcavation and installation
60%
Membranes, weeping tiles, gravel
25%
Mini-excavators and shoring
10%
City fees and debris removal
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
$10,852
Today
$11,721
Basement Waterproofing in Windsor is ↑ 8.0% compared to roughly a year ago — about $868 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
281 reviews
DC Basement Waterproofing
2221 Dougall Ave, Windsor, ON N8X 1S7, Canada
398 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 offers up to $3,500 per property. This covers 100% of the cost for backwater valves (up to $1,450) and sump pumps (up to $2,000) when installed by a city-licensed plumber.
For isolated issues in poured concrete, polyurethane or epoxy crack injections typically cost between $650 and $1,100 per crack in 2026.
Areas near the Detroit River and Lake St. Clair have heavy clay soil and a high water table. This increases hydrostatic pressure and often requires more robust exterior membranes and deeper excavation, pushing costs toward the $250 per linear foot range.
Yes, a permit is required for exterior excavation and any plumbing changes, such as installing a backwater valve or sump pump. Permit and inspection fees typically range from $150 to $500.
📊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 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.