How Much Does French Drain Installation Cost in Delaware?
Delaware pricing is near the national average. Updated for 2026.
French Drain Installation Pricing in Delaware
In Delaware, the average cost for french drain installation is $5,250 per project, which is 5% higher than the national average of $5,000. Most Delaware residents pay between $1,050 and $10,500.
Delaware has costs that track closely with the national average, though prices can still vary between urban and rural areas within the state.
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.
Delaware vs National Average
What Affects French Drain Installation Cost in Delaware?
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
📐 French Drain Installation in Delaware Cost Calculator
Get a personalized estimate based on your project details
Get Free Renovation Estimates
Connect with licensed contractors for your project.
Top-Rated French Drain Installation Pros in Delaware
5 providersModern Edge Home Design
🏆 SPONSOREDProudly serving DE since 2005. Licensed, insured, and committed to excellence.
Dream Home Remodeling
🏆 SPONSOREDProudly serving DE since 2003. Licensed, insured, and committed to excellence.
Blueprint Design & Build
✅ VERIFIEDAre You a French Drain Installation Professional?
Get listed on CostWhale and reach thousands of customers searching for french drain installation in Delaware.
💡 Tips to Save on French Drain Installation in Delaware
- 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 Delaware Cost Trends (2020–2024)
Prices have increased +17.7% over the last 5 years
| Year | National Avg | YoY Change |
|---|---|---|
| 2020 | $4,459 | — |
| 2021 | $4,646 | +4.2% |
| 2022 | $4,948 | +6.5% |
| 2023 | $5,087 | +2.8% |
| 2024 | $5,250 | +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 Delaware
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 Delaware
🔍 Get Free Quotes from Local Pros
Compare prices from pre-screened contractors in your area. Free, no-obligation estimates.
* CostWhale may earn a commission. This doesn't affect our pricing data or recommendations.
💰 Get Weekly Cost-Saving Tips
Join 10,000+ smart homeowners. Unsubscribe anytime.