Maintenance Guides / Plumbing & Water

Clear French drain

Difficulty: moderateTime: 90 minsEst. Cost: $100 - $400

Why it matters

Clogged French drains redirect water into the foundation, causing flooding and damage.

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How to do it

  • 1

    Locate the French drain inlet near the foundation.

  • 2

    Use a plumbing snake to push through the line.

  • 3

    If snake fails, rent a high-pressure jetter.

  • 4

    Feed jetter hose along the pipe length.

  • 5

    Verify water flows freely to the daylight outlet or sump.

  • 6

    Cap inlet and test during next heavy rain.