How much does a French drain cost?
French drain installation runs $1,200 for a short surface-level run, $3,500 for a typical 50-ft perimeter drain, and $8,500+ for interior basement systems with sump-pump tie-in.
Quick price points (2026)
| Scope | Cost | What it includes |
|---|---|---|
| Low | $1,200 | per job |
| Typical | $3,500 | per job |
| High | $8,500 | per job |
How to budget for this project
- Get 3 quotes
Get itemized quotes from at least three licensed contractors in your area.
- Adjust for your region
Compare the same scope and account for regional labor and permitting.
- Add 10–15% contingency
Hidden conditions, code upgrades and permit fees can increase the original quote.
- Plan the cash, not the financing
Build the replacement cost into the home's repair plan before the work becomes an emergency.