Basement Waterproofing Cost in Calgary (2026)
Average cost in Calgary
$5,000 — $35,000
$70 — $300 per linear ft
Cost Breakdown
ItemizedExcavation and installation
50%
Membranes, weeping tile, sealants
30%
Backfill and grading
15%
City of Calgary permits
5%
GST at 5%
📋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
$6,080 — $9,120
Based on 6 sources and market data for Calgary. Actual costs may vary depending on specific project requirements.
🏢Top Waterproofing Contractors in Calgary
Verified providersBasement Builders
18 Silverado Ranch Way SW, Calgary, AB T2X 0M6, Canada
275 reviews
The Poly B Plumbing Guys
10555 48 St SE #141, Calgary, AB T2C 2B7, Canada
88 reviews
Wizard Crack Repair Ltd
52 Woodbine Blvd SW, Calgary, AB T2W 4A8, Canada
136 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
Exterior waterproofing in Calgary typically ranges from $11,500 to $40,000, depending on the excavation depth and linear footage. Contractors generally charge between $100 and $300 per linear foot.
Interior waterproofing, which often includes an interior drainage system and sump pump, usually costs between $7,100 and $15,000 in Calgary, or roughly $70 to $230 per linear foot.
Epoxy or polyurethane crack injections for minor foundation leaks in Calgary typically cost between $1,600 and $2,500 per crack, serving as a localized fix rather than full perimeter waterproofing.
Yes, major waterproofing involving structural changes, weeping tiles, or sump pump installations requires a City of Calgary permit. Permit and inspection fees typically make up about 5% of the total project cost.
📊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.