⚡ Plumbing · Montgomery, AL

How Much Does It Cost to Install a French Drain in Montgomery, AL?

Local pricing for the Montgomery metro area · Updated April 2026

Low End
$1,730
Basic install
Average Cost
$4,340
Most homeowners pay this
High End
$8,670
Complex install
$2,820
Labor (65%)
$1,520
Materials (35%)
2–5
Days to complete

Prices estimated using the NailThePrice Local Cost Model™ — national averages adjusted for Montgomery's labor rates, cost of living, and material pricing.

How Much Does Each Part of French drain installation Cost?

The cost to install a french drain in Montgomery ranges from $1,730 to $8,670, with most homeowners paying around $4,340. Your actual cost depends on several factors specific to your home and the Montgomery market.

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Linear Feet

French drain projects are priced per linear foot — longer drains mean more trenching, gravel, and pipe, scaling costs linearly.

Depth And Width

Deeper drains (18–24 inches) handle more water but require more excavation labor and gravel fill than shallow 12-inch drains.

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Gravel Type

Washed drainage gravel is essential for proper function but costs more than standard fill. Skimping on gravel quality leads to clogging.

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Pipe Diameter

4-inch perforated pipe is standard for residential French drains. Larger diameters handle more water but cost more per foot.

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Landscape Restoration

Trenching through landscaped areas requires restoring sod, mulch beds, or plantings after the drain is installed.

The South generally offers lower labor costs, though fast-growing metro areas are seeing rates climb. Year-round building seasons mean more consistent pricing and availability.

No Permit Typically Required

French drain installation in Montgomery generally does not require a permit for standard installations. Check with your local building department if your project involves panel work or structural changes.

How Does Montgomery's Climate Affect French drain installation?

Standard materials work well without extreme weather considerations. Focus budget on quality fixtures and efficient systems rather than climate-specific protections.

Can You DIY French drain installation or Should You Hire a Pro?

⚠️ Advanced DIY Only

While possible for experienced homeowners, French drain installation involves significant complexity. In Montgomery, you may still need a licensed pro for permits and inspections. DIY could save $1,973–$2,538 in labor.

How Can You Save Money on French drain installation in Montgomery?

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Common Questions About French drain installation in Montgomery

How much does it cost to install a french drain in Montgomery, AL?

The average cost to install a french drain in Montgomery ranges from $1,730 to $8,670, with most homeowners paying around $4,340. This estimate includes both labor ($2,820) and materials ($1,520). Costs in Montgomery are lower than the national average due to local cost of living and labor market conditions. Get multiple quotes from licensed Montgomery contractors to lock in the best price.

Is a permit required for French drain installation in Montgomery?

Montgomery does not typically require a permit for standard French drain installation. However, projects involving electrical panel work, structural changes, or gas line modifications may still require one. Check with Montgomery's building department to confirm before starting work.

How long does French drain installation take in Montgomery?

Most French drain installation projects in Montgomery take 2–5 days to complete. The timeline depends on project scope, contractor availability in the Montgomery metro area, and seasonal demand. Scheduling during Montgomery's off-peak season (typically winter months) can reduce wait times and may lower costs.

How long does a French drain last?

A properly installed French drain with filter fabric and quality gravel lasts 20–30+ years. Without filter fabric, fine sediment clogs the gravel and pipe much sooner. Using perforated PVC pipe (not corrugated) also extends lifespan significantly.

Can I install a French drain myself?

A simple exterior French drain is a feasible DIY project if you're comfortable with heavy digging. You'll need to rent a trencher ($200–$300/day), buy drainage gravel and perforated pipe, and maintain proper slope (1% grade). Interior basement drains are best left to professionals.

What Do Other Projects Cost in Montgomery?

How Much Does French drain installation Cost in Nearby Cities?

Install a French Drain in Birmingham, AL — $4,440 Install a French Drain in Huntsville, AL — $4,630 Install a French Drain in Mobile, AL — $4,340 Install a French Drain in Tuscaloosa, AL — $4,340
Published March 2025 · Updated April 14, 2026 · Cost data based on local labor rates and market conditions in the Montgomery metropolitan area.