Basement Waterproofing Cost in Winnipeg (2026)
Average cost in Winnipeg
$2,500 — $22,500
$75 — $310 per sq ft
Cost Breakdown
ItemizedManual or machine digging and site prep
50%
Membranes, weeping tiles, and gravel
25%
Excavators and disposal bins
10%
Pump unit and discharge line setup
10%
City of Winnipeg building permits
5%
GST+PST at 12%
📋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
$5,632 — $8,448
Based on 11 sources and market data for Winnipeg. Actual costs may vary depending on specific project requirements.
📈Price Momentum
Year-over-year~1 year ago
$10,165
Today
$10,592
Basement Waterproofing in Winnipeg is ↑ 4.2% compared to roughly a year ago — about $427 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 Winnipeg
Verified providersAssured Property Management
115 Strand Cir, Winnipeg, MB R2N 1N3, Canada
52 reviews
Blue Maxx Basement Systems
3300 McGillivray Blvd #3, Oak Bluff, MB R0G 1N0, Canada
40 reviews
Belvidere Construction Ltd
710 St Anne's Rd, Winnipeg, MB R2N 0A8, Canada
128 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 covers up to 60% of the cost for installing a backwater valve (max $1,000) and a sump pit drainage system (max $1,000) for eligible homes.
Winnipeg's heavy clay soil expands when wet, requiring deeper excavation (often 8-10 ft) and specialized backfill like clear stone, which can push exterior costs to $150-$310 per linear foot.
For a single non-structural crack, polyurethane or epoxy injections typically cost between $600 and $1,200 in 2026, depending on the depth and accessibility.
A standard 1,000 sq ft basement in Winnipeg typically requires 130-140 linear feet of drainage, costing between $8,500 and $14,000 for a full interior French drain and sump pump installation.
📊Our Methodology
How we collect dataAggregated from 11+ 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: 3 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.