French Drain Cost in Philadelphia (2026): Average Price & Estimate

French Drain Cost in Philadelphia

Estimated french drain cost in Philadelphia

$1,950–$5,900

Roughly about 12% above the national average.

Older housing stock and Northeast labor rates raise typical costs.

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Based on Philadelphia, PA pricing.

Estimated cost range

$1,950–$5,900

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An estimate for planning, not a quote. Get written quotes from local pros below.

Estimate, not a quote. Local prices vary by contractor and project. These are 2026 estimates for Philadelphia, PA. Get written quotes from licensed Philadelphia contractors before you budget.

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What to know about french drain in Philadelphia

Frost heave and freeze-thaw in Philadelphia can stress foundations, so good drainage and proper footing depth matter for a lasting result.

What affects french drain cost in Philadelphia

Beyond the local market, the same factors that drive french drain cost everywhere apply in Philadelphia:

Length and depth of the drain.
Type: yard, interior basement, or exterior foundation.
Soil conditions and digging difficulty.
Landscaping or concrete to remove and restore.

French Drain cost by drain type in Philadelphia

These figures are adjusted for Philadelphia pricing (about 1.12x the national average), so they reflect what local homeowners actually pay.

Estimated french drain cost by drain type in Philadelphia (2026)

Drain type	Cost in Philadelphia	Typical total
Surface / yard drain	$19.60 to $58.80 /ft	About $1,950 to $5,900
Footing / interior basement	$39.20 to $118 /ft	About $3,900 to $11,800
Exterior foundation	$44.80 to $134 /ft	About $4,500 to $13,400

Frequently asked questions

How much does french drain cost in Philadelphia?

In Philadelphia, PA, french drain typically costs $1,950 to $5,900 in 2026 for a standard project, about 12% above the national average. Your exact price depends on size, materials, and scope.

Why does french drain cost more or less in Philadelphia?

Older housing stock and Northeast labor rates raise typical costs. Labor rates, permit costs, and local demand are the main reasons Philadelphia prices differ from the national average.

Do I need a permit for french drain in Philadelphia?

Most french drain projects require a permit. Requirements vary by city and Pennsylvania jurisdiction, so confirm with your local building department. A licensed contractor usually pulls the permit for you.

When is the best time of year for french drain in Philadelphia?

In Philadelphia, exterior work is easiest from late spring through early fall. Winter weather can delay roofing, siding, concrete, and foundation jobs, and some crews book up fast once the weather breaks.

Is french drain cheaper outside Philadelphia?

Sometimes. Philadelphia runs about 12% above the national average. Nearby smaller towns with lower labor costs can come in cheaper, while denser urban areas often cost more. Always compare quotes from contractors who serve your specific area.