How Much Does French Drain Installation Cost in Louisiana?
Louisiana pricing is below the national average. Updated for 2026.
French Drain Installation Pricing in Louisiana
In Louisiana, the average cost for french drain installation is $4,350 per project, which is 13% lower than the national average of $5,000. Most Louisiana residents pay between $870 and $8,700.
Louisiana benefits from a lower cost of living than many states, resulting in more affordable pricing for french drain installation. This makes it one of the more budget-friendly states for this service.
French drains redirect water away from your foundation using a perforated pipe in a gravel-filled trench. Critical for preventing basement flooding and foundation damage.
Louisiana vs National Average
What Affects French Drain Installation Cost in Louisiana?
Type
Interior: $40-$100/linear ft. Exterior: $60-$120/linear ft. Full perimeter: $5,000-$12,000
Additions
Sump pump: $500-$1,200. Drain tile: $20-$40/linear ft. Channel drain: $30-$75/linear ft
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💡 Tips to Save on French Drain Installation in Louisiana
- 1.Interior French drains are cheaper ($40-$100/linear ft) than exterior ($60-$120/linear ft)
- 2.DIY is possible for simple exterior drains
- 3.Address grading issues first — sometimes regrading alone solves drainage
- 4.Bundle with waterproofing for better pricing
📈 French Drain Installation in Louisiana Cost Trends (2022–2026)
Prices have increased +17.7% over the last 5 years
| Year | National Avg | YoY Change |
|---|---|---|
| 2022 | $3,695 | — |
| 2023 | $3,850 | +4.2% |
| 2024 | $4,100 | +6.5% |
| 2025 | $4,215 | +2.8% |
| 2026 | $4,350 | +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 French Drain Installation in Louisiana
Recent Reports
Frequently Asked Questions
Do French drains really work?
Yes. A properly installed French drain is one of the most effective solutions for redirecting groundwater. They typically last 30-40 years with minimal maintenance.
French Drain Installation Cost in Other States
Related Cost Guides for Louisiana
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