French Drains & Sump Pumps
Learn about french drains & sump pumps, including how the work is performed, common causes and warning signs, repair or installation options, maintenance considerations, and typical service cost factors. Use this guide to understand when professional plumbing service is needed and what to expect before scheduling work.
Common causes
Accumulated grease FOG
Hair & soap residue
Tree root intrusion
Foreign object blockage
Solution methods
- 1
Mechanical drain augering
- 2
High-pressure hydro jetting
- 3
Camera video inspection
- 4
Pipe relining replacement
Tools you'll need
Drain auger snake
Sewer inspection camera
Hydro jetter
Cleanout wrench
Average costs
| Service | Typical range |
|---|---|
| Pump repair | $200 – $700/ repair |
| Pump replacement | $500 – $1,800/ installation |
| Backup system | $500 – $2,000/ installation |
| Drainage or flood protection | $2,000 – $10,000/ project |
National averages. Local rates, permits and after-hours work can change these figures.
Estimate your cost
Pick your location, the job and how soon you need it to see a realistic price range for french drains & sump pumps.
Estimated range
$800 – $3,625
Based on national averages — add a location for a local range; standard scheduling.
Estimate only. The final price depends on an on-site inspection, parts, permits and access.
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Community Q&A: French Drains & Sump Pumps
Real questions from homeowners like you
How to unclog a sink drain?
The bathroom sink is draining slowly. What’s the easiest way to unclog it?
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