HomeReno Cost

French Drain Cost in Maryland

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Estimated cost

$1,680$3,488

Typical range for the options you selected.

Itemized cost breakdown
ItemEstimate
Trench excavation$836
Perforated pipe & fittings$303
Drainage gravel$612
Installation labor$630
Geotextile filter fabric$203
Subtotal$2,584

Local cost snapshot for Maryland

Typical french drain cost estimate for Maryland
Typical range$1,680-$3,488
Modeled midpoint$2,584
Labor index105% of national baseline
Local permit signalPermit likely

How we estimate these costs →

What affects french drain cost in Maryland

French Drain costs in Maryland differ from the national baseline mainly because of local labor rates. French drain labor in Maryland runs about 5% above the national average carpenter wage (BLS), lifting installation cost.

Maryland's mix of Piedmont clay and a Chesapeake-area high water table holds moisture around foundations, so a French drain carries off the seepage and runoff that keep yards soggy and basements damp.

Most Maryland jurisdictions require a permit when the drainage work alters site grading or ties into a public storm sewer (a simple yard drain often needs none); typical residential fees run $200–$500, usually with a drainage or final inspection. Maryland applies a 6.00% state sales tax (about 6.00% combined with local) to French drain materials.

How the Maryland estimate is adjusted

Labor
We apply the Maryland labor multiplier only to labor-heavy line items, so material prices do not rise or fall just because local wages differ.
Climate
The local climate note is included because weather exposure, humidity, freeze-thaw cycles, or coastal conditions can change product choice and prep work.
Taxes and permits
The estimate applies the market tax model and flags whether local permit costs are usually part of the homeowner budget.