How Much Does Basement Waterproofing Cost in Maryland?
Maryland pricing is above the national average. Updated for 2026.
Basement Waterproofing Pricing in Maryland
In Maryland, the average cost for basement waterproofing is $5,750 per project, which is 15% higher than the national average of $5,000. Most Maryland residents pay between $2,300 and $11,500.
Maryland has a higher cost of living than most states, which translates to higher labor rates and material costs. Urban areas within Maryland may be even higher.
Basement waterproofing prevents water intrusion through foundation walls and floors. Methods include interior drainage systems, exterior excavation, sump pumps, and sealants.
Maryland vs National Average
What Affects Basement Waterproofing Cost in Maryland?
Method
Interior sealant: $500-$2,000. Interior drainage + sump: $3,000-$8,000. Exterior excavation: $8,000-$15,000
Sump Pump
New sump pump installation: $500-$1,200
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💡 Tips to Save on Basement Waterproofing in Maryland
- 1.Interior waterproofing is cheaper than exterior excavation
- 2.Fix grading and gutters first — many moisture issues are solved by directing water away from the foundation
- 3.Get a professional assessment before committing to expensive solutions
📈 Basement Waterproofing in Maryland Cost Trends (2022–2026)
Prices have increased +17.7% over the last 5 years
| Year | National Avg | YoY Change |
|---|---|---|
| 2022 | $4,884 | — |
| 2023 | $5,089 | +4.2% |
| 2024 | $5,420 | +6.5% |
| 2025 | $5,572 | +2.8% |
| 2026 | $5,750 | +3.2% |
Based on national averages adjusted for annual inflation. Actual costs vary by location and project scope.
💬 What Did You Pay?
Real costs reported by homeowners for Basement Waterproofing in Maryland
Recent Reports
Frequently Asked Questions
Does basement waterproofing increase home value?
Yes. A dry basement protects the foundation and adds usable space, both of which increase value. It also prevents mold, which is a major health concern for buyers.
Basement Waterproofing Cost in Other States
Related Cost Guides for Maryland
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