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Buildup of sand and soil can clog the pipes in french drains. Building a wider drain will make it last longer before getting clogged up.
Trench Drain, Blind Drain, Rubble Drain, Perimeter Drain, Land Drain, Sub-soil Drain
The cost of a French drain depends on how deep and how long it is. A shallow, exterior French drain costs about $10 to $15 per linear foot, whereas a deeper, interior drain costs an average of $50 to $60.
Costs vary greatly by region (and even by zip code). To get free estimates from local contractors, please indicate yours.