Basement Waterproofing Cost in Minneapolis (2026)
Average cost in Minneapolis
US$1,815 — US$9,500
US$5 — US$12 per sq ft
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 Cost
InteractiveEstimated Cost
US$6,080 — US$9,120
Based on 8 sources and market data for Minneapolis. Actual costs may vary depending on specific project requirements.
📈Price Momentum
Year-over-year~1 year ago
US$4,344
Today
US$4,678
Basement Waterproofing in Minneapolis is ↑ 7.7% compared to roughly a year ago — about US$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
168 reviews
Groundworks Foundation Repair Minneapolis
23 4th St SE suite 210, Minneapolis, MN 55414, USA
167 reviews
Standard Water Control Systems
5337 Lakeland Ave N, Crystal, MN 55429, USA
1,033 reviews
Groundworks
6265 Carmen Ave E, Inver Grove Heights, MN 55076, USA
1,105 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 weeks 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.
Spotted bad data? Let us know — we'll review and update.