Basement Waterproofing Cost in Minneapolis (2026)
Average cost in Minneapolis
$1,815 – $9,500
$5 – $12 per sq ft
In Minneapolis, the average is $4,678 and most projects cost between $1,815 and $9,500, or about $5 – $12 per sq ft. Prices are before tax and based on 8 sources.
Cost Breakdown
ItemizedSkilled trade hourly rates ($110-$145/hr)
55%
Sealants, membranes, and vapor barriers
25%
Heavy machinery and trenching
12%
Minneapolis tiered valuation fees
5%
Debris removal and site restoration
3%
Sales Tax at 6.88%
📋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 project
LiveYour estimate in Minneapolis
Likely range $2,105 – $9,500
- Labor55%$2,573
- Materials25%$1,170
- Equipment & Excavation12%$561
- Permits & Inspections5%$234
- Disposal & Cleanup3%$140
Interior sealant
$4,678
Interior drainage / weeping tile
$7,485
Exterior excavation
$11,227
Calibrated to 8 researched sources for Minneapolis. Before tax. Real quotes vary with site conditions.
📈Price Momentum
Year-over-year~1 year ago
$4,344
Today
$4,678
Basement Waterproofing in Minneapolis is ↑ 7.7% compared to roughly a year ago — about $334 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 Minneapolis
Verified providersWaterproofing Northeast
3134 California St NE, Minneapolis, MN 55418, USA
180 reviews
Affordable Egress Windows & Basement Waterproofing INC
4035 Apache Dr, Medina, MN 55340, USA
99 reviews
Groundworks Foundation Repair Downtown Minneapolis
23 4th St SE Ste 210, Minneapolis, MN 55414, USA
178 reviews
Standard Water Control Systems
5337 Lakeland Ave N, Crystal, MN 55429, USA
1,044 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
Minneapolis features clay-heavy soils that retain significant moisture, combined with extreme freeze-thaw cycles. This increases hydrostatic pressure against foundations, often requiring more robust drainage systems that average $3,000 to $8,000.
Minneapolis uses a tiered valuation formula. For a typical $8,000 waterproofing project, the permit fee is approximately $380, which includes the base permit, plan review, and state surcharge.
Interior solutions, such as drain tiles and sump pumps, average around $3,000. Exterior waterproofing, which requires extensive excavation around the foundation, typically starts at $7,000 and can exceed $15,000 for full-perimeter protection.
The average cost for a professional sump pump installation is approximately $1,200, with a typical range between $800 and $2,500 depending on whether it is a submersible or pedestal unit and if new electrical circuits are required.
📊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: 1 months ago. Updates run weekly. All costs in USD.
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.
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