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Free · 2026

Drainage & French drain cost calculator

Free and instant. Enter the size and your state to see a 2026 price range.

Drainage & French drain Cost Calculator

2026 updated prices

Total Estimated Cost

$1,600–$4,800

Ballpark estimate — your final price depends on scope and materials.

Cost Breakdown

Trenching
$640 – $1,92040%
Perforated pipe and gravel
$480 – $1,44030%
Fabric and backfill
$320 – $96020%
Outlet / pop-up
$160 – $48010%

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What's included

  • Trenching
  • Perforated pipe and gravel
  • Fabric and backfill
  • Outlet / pop-up

What drives the cost

  • Trench depth and length
  • Sump pump
  • Tie-in to storm drain
  • Soil conditions

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