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

French Drain Cost in Portland

Estimated french drain cost in Portland

$2,050–$6,100

Roughly about 16% above the national average.

Wet climate and labor costs lift prices above average.

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Based on Portland, OR pricing.

Estimated cost range

$2,050–$6,100

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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 Portland, OR. Get written quotes from licensed Portland contractors before you budget.

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What to know about french drain in Portland

Soil movement around Portland is usually modest, but local soil type still drives the right approach.

What affects french drain cost in Portland

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

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 Portland

These figures are adjusted for Portland pricing (about 1.16x the national average), so they reflect what local homeowners actually pay.

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

Drain type	Cost in Portland	Typical total
Surface / yard drain	$20.30 to $60.90 /ft	About $2,050 to $6,100
Footing / interior basement	$40.60 to $122 /ft	About $4,050 to $12,200
Exterior foundation	$46.40 to $139 /ft	About $4,650 to $13,900

Frequently asked questions

How much does french drain cost in Portland?

In Portland, OR, french drain typically costs $2,050 to $6,100 in 2026 for a standard project, about 16% above the national average. Your exact price depends on size, materials, and scope.

Why does french drain cost more or less in Portland?

Wet climate and labor costs lift prices above average. Labor rates, permit costs, and local demand are the main reasons Portland prices differ from the national average.

Do I need a permit for french drain in Portland?

Most french drain projects require a permit. Requirements vary by city and Oregon 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 Portland?

In Portland, the mild climate means most projects can run year-round, with only the occasional rainy stretch to plan around.

Is french drain cheaper outside Portland?

Sometimes. Portland runs about 16% 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.