Cost to French Drain Installation in Austin, TX (2026)

If you’re budgeting a french drain installation in Austin, most projects run $2,272-$9,089, 9% below the $5,000 national average. What moves that number most is usually one thing: Interior vs Exterior Installation. On its own it can swing the cost by $1,000 - $5,000, so that’s the decision to slow down on before you sweat the smaller stuff.

Easiest place to save: Get quotes for both interior and exterior solutions. Interior drains are often less expensive because they don't require heavy excavation equipment or landscape restoration.

In the Southeast (where Austin sits): Lower labor costs but high water tables and clay soil are common, sometimes requiring more extensive drainage solutions.

$2,272-$9,089 in Austin

9% below the national average · 0.91x cost multiplier

Homeowners in Austin typically spend $2,272-$9,089 on a french drain installation, about 9% below the national average. Labor rates and contractor availability in the Southeast region drive much of the price difference. Permit requirements and material delivery costs also play a role. See the full tier-by-tier breakdown below before requesting bids.

Cost Breakdown in Austin

Line ItemLowMidHigh
Cost per linear ft$23$41$68
Materials$820$1,640$3,587
Labor$1,231$2,462$4,513
Permits$205$256$410
Total$2,256-10% vs. national avg$4,614-10% vs. national avg$9,125-9% vs. national avg

Budget

Exterior French drain, shallow trench (18 inches), corrugated perforated pipe, landscape fabric, gravel backfill, about 50 linear feet

Mid-Range

Interior perimeter French drain, 100 linear feet along basement walls, rigid PVC pipe, connected to sump pit, concrete cutting and patching

Premium

Full interior and exterior French drain system, 150+ linear feet, commercial-grade drainage board, multiple drain connections, sump pump integration, full waterproofing membrane

Material Options

Material prices below are national averages; availability in Austin may shift costs slightly.

MaterialCost/UnitBest For
Corrugated Perforated Pipe$0.50 - $1.50 per linear footBudget exterior yard drainage projects, temporary solutions, shallow installationsCheapest option, flexible and easy to install, widely available, good for simple exterior drains
Rigid PVC Perforated Pipe$1.50 - $4 per linear footInterior basement French drains, deep exterior foundation drains, permanent installationsVery durable (50+ year lifespan), smooth interior resists clogging, handles high water volume, maintains shape
Drain Tile with Filter Sock$1 - $3 per linear footExterior drains in sandy or loamy soil, mid-budget projects where low maintenance mattersBuilt-in filter prevents sediment infiltration, reduces maintenance, good lifespan
EZflow Drainage Bundle$3 - $6 per linear footDIY exterior projects, tight trenches where gravel is hard to place, projects where speed mattersPipe pre-wrapped in gravel aggregate, no separate gravel needed, faster installation, consistent drainage
Commercial Drainage Board (Dimple Mat)$2 - $5 per sq ft of wall coverageComprehensive interior waterproofing systems, used alongside French drains for maximum protectionCreates air gap against foundation wall, channels water down to drain, protects waterproofing membrane

Other Projects in Austin

Austin Estimate

Typical Range

$2,272-$9,089

vs. National Average

9% below national

Cost Multiplier

0.91x

Cost Per linear ft

$23-$68

This 0.91x estimate prices Austin labor from BLS Occupational Employment and Wage Statistics (May 2025) and applies a lighter regional adjustment to materials and permits, which vary less by metro than labor does. Actual bids vary by contractor, project scope, and timing.

See national average costs →