Basement Waterproofing Cost in Winnipeg (2026)
Average cost in Winnipeg
$3,500 — $45,000
$250 — $325 per sq ft
Cost Breakdown
ItemizedDeep digging in Winnipeg clay
60%
Membranes, weeping tiles, gravel
20%
Sump pumps and backwater valves
12%
Soil removal and clean stone
5%
City of Winnipeg requirements
3%
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 8 sources and market data for Winnipeg. Actual costs may vary depending on specific project requirements.
📈Price Momentum
Year-over-year~1 year ago
$11,506
Today
$12,105
Basement Waterproofing in Winnipeg is ↑ 5.2% compared to roughly a year ago — about $598 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 providersMr.Basement : Foundation Repair Specialist Winnipeg
1261 Liberty St, Winnipeg, MB R3S 1A5, Canada
19 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
122 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
Winnipeg's 'expansive clay' soil swells when wet and shrinks when dry, requiring deeper excavation (often 6+ feet to reach the frost line) and specialized backfill like clean stone, which can increase labor costs by 20-30% compared to sandy regions.
For a standard detached home with a perimeter of 120-150 linear feet, a full exterior system typically costs between $20,000 and $60,000, depending on excavation depth and accessibility.
Yes, the City of Winnipeg offers the 'City of Winnipeg Sump Pit and Backwater Valve Subsidy Program,' which can cover up to 60% of the installation costs, capped at $1,000 for a backwater valve and $2,000 for a sump pit/pump system.
For minor leaks where excavation isn't required, professional epoxy or polyurethane injections typically cost between $650 and $1,100 per crack in 2026.
📊Our Methodology
How we collect dataAggregated from 8+ 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.