Independent and unbiased 2026 pricing data
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Phoenix, AZ

French Drain Cost in Phoenix

Estimated french drain cost in Phoenix

$1,750–$5,250

Roughly in line with the national average.

Costs track the national average, with heat-rated materials a factor.

Estimate your cost

Based on Phoenix, AZ pricing.

Estimated cost range

$1,750–$5,250

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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 Phoenix, AZ. Get written quotes from licensed Phoenix contractors before you budget.

Quote too high? DIY your french drain

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A contractor quote is mostly labor. If that estimate felt steep, here is the exact gear to tackle this job yourself. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.

212 Main Perforated Flexible Drain Pipe, 4" x 25'
212 Main 212 Main Perforated Flexible Drain Pipe, 4" x 25'

$48.85

Corrugated perforated pipe to carry water away from the foundation.

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LAVEVE Landscape Fabric Weed Barrier, 4x100
LAVEVE LAVEVE Landscape Fabric Weed Barrier, 4x100

$29.99

Heavy 3.2oz fabric to wrap the gravel and keep silt out of the pipe.

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MIGHTY109 Grey Pea Gravel, 40 lb
MIGHTY109 MIGHTY109 Grey Pea Gravel, 40 lb

$59.99

Washed drainage rock to bed and backfill the trench.

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NDS 12" Square Catch Basin Drain Kit
NDS NDS 12" Square Catch Basin Drain Kit

$69.75

Catch basin with grate and adapters for surface water collection.

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What to know about french drain in Phoenix

Expansive clay soils and dry spells around Phoenix can shift foundations, so many repairs include soil-moisture management.

What affects french drain cost in Phoenix

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

  • 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 Phoenix

These figures are adjusted for Phoenix pricing (about 1.00x the national average), so they reflect what local homeowners actually pay.

Estimated french drain cost by drain type in Phoenix (2026)
Drain type Cost in Phoenix Typical total
Surface / yard drain $17.50 to $52.50 /ft About $1,750 to $5,250
Footing / interior basement $35 to $105 /ft About $3,500 to $10,500
Exterior foundation $40 to $120 /ft About $4,000 to $12,000

French Drain cost in Phoenix vs other metros

How a french drain in Phoenix compares with nearby and similar-cost metros, using 2026 local estimates.

Metro Estimated french drain cost vs national
Phoenix, AZ $1,750–$5,250 in line with the national average
Tucson, AZ $1,650–$5,000 about 5% below the national average
Detroit, MI $1,750–$5,250 in line with the national average
Richmond, VA $1,750–$5,250 in line with the national average
Charleston, SC $1,750–$5,250 in line with the national average
Dallas, TX $1,700–$5,150 in line with the national average

Frequently asked questions

How much does french drain cost in Phoenix?

In Phoenix, AZ, french drain typically costs $1,750 to $5,250 in 2026 for a standard project, in line with the national average. Your exact price depends on size, materials, and scope.

Why does french drain cost more or less in Phoenix?

Costs track the national average, with heat-rated materials a factor. Labor rates, permit costs, and local demand are the main reasons Phoenix prices differ from the national average.

Do I need a permit for french drain in Phoenix?

Most french drain projects require a permit. Requirements vary by city and Arizona 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 Phoenix?

In Phoenix, spring and fall are the sweet spot. Mid-summer heat can slow crews and affect materials like asphalt and concrete that cure differently in extreme temperatures.

Is french drain cheaper outside Phoenix?

Sometimes. Phoenix runs in line with 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.

French Drain cost in other cities

See the national French Drain cost guide