How Much Does a French Drain Cost? Complete 2026 Breakdown for Property Owners

Based on Breasy’s drainage project data across 12 U.S. markets and 100K+ completed jobs.

French drain installation costs range from $1,650 to $12,250 in 2026, with most property owners paying between $25 and $85 per linear foot depending on drain type, depth, and soil conditions. Interior basement drains are higher than exterior yard drains due to concrete work and sump pump requirements.

Breasy serves single-family rentals in 12 metros across 7 states. Commercial properties and locations outside our service areas require specialized contractors.

French Drain Installation Cost at a Glance #

The table below shows what property managers and owners pay across different project types and drain lengths.

2026 Average Costs Summary Table #

Project Type	Typical Cost Range	Cost Per Linear Foot
Shallow yard drain (50 ft)	$1,650–$3,500	$25–$50
Deep exterior footing drain (100 ft)	$4,500–$8,500	$45–$85
Interior basement drain (50 ft)	$3,500–$7,500	$70–$150
Full perimeter drain system	$8,000–$12,250	$50–$75

Ranges based on Breasy’s Q4 2025 vendor pricing across 7 states. Jobs under 25 feet carry minimum charges of $1,200–$1,800.

These ranges reflect labor costs, materials, and typical excavation difficulty.

Cost by French Drain Type #

The type of French drain installation you need depends on where water enters your property and what damage it threatens.

Interior vs Exterior: Which Do You Need? #

Exterior drains prevent water from reaching your foundation. Interior drains manage water that’s already inside. If water damage prevention is your goal and exterior access is viable, exterior drains cost less and solve the root cause.

Interior drains make sense when exterior excavation isn’t possible—properties with attached neighbors, extensive landscaping, or limited side yard access. For single-family rentals, exterior drains in most cases deliver better long-term value.

Exterior French Drain Costs #

Exterior systems involve digging a drainage trench, laying perforated pipe surrounded by gravel, and directing water away from the structure; that excavation and slope engineering are why labor accounts for 50–60% of total project expenses.

Shallow Yard Drains #

Shallow French drains sit 8–12 inches deep and handle surface water pooling in low spots. These cost $25–$50 per linear foot and work well for yard drainage problems that don’t threaten foundations.

A 50-foot shallow drain in most cases runs $1,650–$2,500 installed. The excavation is straightforward, and most jobs are completed in one day.

Deep Footing Drains #

Deep perimeter drains run 18–24 inches alongside your foundation and handle serious groundwater management. These cost $45–$85 per linear foot because of increased excavation costs and the need for proper slope engineering.

A 100-foot footing drain system in most cases runs $4,500–$8,500.

Interior Basement French Drain Costs #

Interior systems require cutting concrete, installing drain channels along basement walls, and adding a sump pump. This combination drives costs to $70–$150 per linear foot.

A 50-foot interior system averages $3,500–$7,500 depending on basement access, concrete thickness, and water pressure severity. From our 100K+ completed jobs, interior drains consistently require more time than exterior installations. Contractors regularly find cracked foundation walls during interior drain work, which adds remediation cost to the project scope.

Factors That Affect French Drain Installation Cost #

Beyond length and type, several site-specific variables push costs up or down. Understanding these helps you evaluate quotes and plan budgets accurately.

Soil Conditions and Excavation Difficulty #

Sandy or loamy soil digs easily and costs less. Clay, rocky, or compacted soil requires more labor and sometimes specialized equipment, adding 15–30% to excavation costs.

Properties in our Phoenix and Las Vegas markets have caliche, a calcium-rich soil layer that functions as natural concrete. Caliche within the first two feet drives excavation costs up 15–30% above standard rates.

Trench Depth and Accessibility #

Standard yard drains need trenches 8–12 inches deep. Footing drains require 18–24 inches, and every additional six inches adds $5–$10 per linear foot in labor. Where equipment can’t reach the work area, hand digging replaces machine excavation and adds 40–60% to labor costs on affected sections.

Materials: Pipe, Gravel, and Fabric #

Materials in most cases represent 20–30% of total project cost.

Material	Cost Range
Perforated PVC pipe (4-inch)	$0.50–$1.50 per foot
Drainage gravel	$25–$50 per cubic yard
Filter fabric	$0.15–$0.50 per square foot
Catch basins	$50–$150 each

Higher-quality corrugated pipe with sock filters costs more upfront but prevents clogging that leads to early failure.

Labor Costs by Region #

Labor rates vary 20–40% across markets. In Dallas-Fort Worth, expect $45–$65 per hour for drainage work. Denver and Seattle run higher at $55–$80 per hour because of cost-of-living differences.

The labor portion of your quote reflects both hourly rates and estimated time. Experienced installers work faster, which sometimes offsets higher hourly costs.

Permits and Local Requirements #

Many municipalities require permits for drainage work, especially systems that discharge to storm drains or cross property lines. Permit fees run $75–$300 in most markets.

Some areas mandate inspections before backfilling, which affects the project timeline. Orlando and Atlanta have stricter stormwater management requirements that may add engineering costs.

Beyond the core installation factors above, several add-on services complete the drainage system and belong in your project budget.

Sump Pumps, Landscaping, and Discharge Costs #

The drain itself isn’t always the complete solution. The work below adds cost but completes the flooding prevention system.

Sump Pump Installation #

Interior basement French drains almost always require a sump pump to move collected water outside. Sump pump installation adds $650–$1,800 depending on pump quality and discharge routing. Note that interior drains requiring concrete cutting and sump pump integration are covered in detail in the Interior Basement French Drain Costs section above.

Battery backup systems add $300–$600 but protect against power outages during storms when you need pumping most. For rental properties, backup systems prevent tenant complaints and water damage claims that follow pump failures.

French drains need a discharge destination: storm drains, dry wells, or rain gardens. Dry well installation adds $800–$2,500 depending on size and soil permeability and is required where storm drain access is unavailable, or discharge regulations apply.

Landscaping Repair #

Exterior trenching disrupts lawns, gardens, and sometimes hardscaping. Budget $500–$2,000 for sod replacement, plant restoration, and surface repairs after installation.

Breasy handles landscaping restoration as part of turnover and maintenance services, which simplifies getting properties back to showing condition after drainage work. Learn about lawn services that repair post-construction areas.

French Drain Maintenance Costs #

French drains require minimal maintenance but aren’t maintenance-free. Budget $75–$200 annually for inspections and cleaning, flush drain lines every 2–3 years to clear sediment, and test sump pumps annually—replacing them every 7–10 years.

When debris blocks outlet grates or soil erosion covers discharge points, systems that ran fine for years back up fast. Routine property maintenance catches these issues before they cause damage.

DIY vs Professional French Drain Installation #

The materials for a basic French drain cost $200–$800 for a 50-foot run. That gap between material cost and installed price makes DIY tempting, but the decision involves more than just dollars.

DIY Cost Breakdown #

Item	Cost
Perforated pipe (50 ft)	$25–$75
Gravel (2-3 cubic yards)	$75–$150
Filter fabric	$30–$60
Trenching tool rental	$150–$300/day
Fittings and discharge	$50–$100
Total	$330–$685

Add your time, which runs 8–16 hours for a basic installation. Trenching is physically demanding work, and proper slope requires careful measurement.

When to Hire a Professional #

DIY makes sense for shallow yard drainage in accessible areas with cooperative soil, whereas deep excavation near foundations, concrete cutting for interior drains, or unknown utility locations requires professional execution.

Across Breasy’s 100K+ completed jobs, the most expensive drainage calls we handle are remediation jobs — properties where an undersized or improperly sloped DIY drain failed and directed water toward the foundation rather than away from it. As a result, most property managers on our platform move directly to professional installation after reviewing those remediation costs.

What to Expect: Timeline from Quote to Completion #

Understanding the typical process helps you plan around tenant schedules, inspections, and property availability.

How Long Installation Takes #

Project Type	Typical Duration
Shallow yard drain (50 ft)	1 day
Deep exterior drain (100 ft)	1–2 days
Interior basement drain (50 ft)	2–3 days
Full perimeter system	3–5 days

Weather affects outdoor work. Interior basement drains aren’t weather-dependent but generate more disruption, including noise, dust, and access restrictions.

Getting Accurate Quotes #

Quality quotes require site assessment. Walk-around visits identify soil type, access limitations, and scope details that phone estimates miss. Multiple quotes help you verify pricing, but the lowest number in most cases reflects missed scope rather than better value.

When you submit a drainage request to Breasy, we provide a quote within 48 hours based on property details and photos. Jobs are completed within 5 business days of approval, and all field team members are insured and background-checked.

Frequently Asked Questions #

Get Your French Drain Quote #

Submit your drainage request through your existing property management system—Breasy integrates with AppFolio and Buildium—or directly through our platform. We handle the scheduling, execution, and documentation, and you receive same-day completion photos before any invoice goes out.