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

French Drain Cost in San Antonio

Estimated french drain cost in San Antonio

$1,650–$4,900

Roughly about 7% below the national average.

Lower labor costs keep prices below the national average.

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Based on San Antonio, TX pricing.

Estimated cost range

$1,650–$4,900

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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 San Antonio, TX. Get written quotes from licensed San Antonio contractors before you budget.

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What to know about french drain in San Antonio

Wet soils and heavy rain in San Antonio stress foundations, so grading and drainage are part of a durable fix.

What affects french drain cost in San Antonio

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

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 San Antonio

These figures are adjusted for San Antonio pricing (about 0.93x the national average), so they reflect what local homeowners actually pay.

Estimated french drain cost by drain type in San Antonio (2026)

Drain type	Cost in San Antonio	Typical total
Surface / yard drain	$16.28 to $48.83 /ft	About $1,650 to $4,900
Footing / interior basement	$32.55 to $97.65 /ft	About $3,250 to $9,750
Exterior foundation	$37.20 to $112 /ft	About $3,700 to $11,200

Frequently asked questions

How much does french drain cost in San Antonio?

In San Antonio, TX, french drain typically costs $1,650 to $4,900 in 2026 for a standard project, about 7% below the national average. Your exact price depends on size, materials, and scope.

Why does french drain cost more or less in San Antonio?

Lower labor costs keep prices below the national average. Labor rates, permit costs, and local demand are the main reasons San Antonio prices differ from the national average.

Do I need a permit for french drain in San Antonio?

Most french drain projects require a permit. Requirements vary by city and Texas 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 San Antonio?

In San Antonio, aim for spring or fall. Summer heat, humidity, and afternoon storms can cause delays on exterior projects, and late summer is peak storm season.

Is french drain cheaper outside San Antonio?

Sometimes. San Antonio runs about 7% below 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.