office@corralbros.com
Turning dirt into design every day (737) 404-9343
HomeAbout UsServicesIndustriesLocationsGalleryContactGet a Free Quote

French Drain Cost in Central Texas: What You'll Pay and When You Need One

Corral Bros · July 14, 2026

French Drain Cost in Central Texas: What You'll Pay and When You Need One

If water pools in your yard every time a Central Texas storm rolls through, you’ve probably heard a french drain is the fix. The next question is always the same: what does it cost? Here’s a straight answer, plus how to tell whether you actually need one.

How much does a french drain cost?

A typical Central Texas french drain runs about $30 to $75 per linear foot installed, and most residential jobs land between $2,500 and $7,500 total. That’s a real range, not a dodge. A short, shallow run through soft soil to a nearby downhill outlet sits at the low end. A long, deep drain that fights caliche and needs catch basins and a piped discharge sits at the top.

Here’s how that breaks down by project type:

Project typeTypical Central Texas range
Short run, soft soil (up to ~40 ft)$1,500 – $3,000
Standard residential yard drain (40–100 ft)$2,500 – $7,500
Deep drain through caliche or limestone$60 – $95 / linear foot
Add a catch basin (each)$150 – $450
Piped discharge to street or dry well$500 – $2,000

We won’t quote you a number off a blog post. Every yard is different, and the only honest price comes from walking the site. Corral Bros gives free on-site estimates so you know exactly what you’re paying for before anyone digs.

What drives the price up or down?

The biggest cost factors are length, depth, what’s in the ground, and where the water goes. Length and depth are obvious: more trench and deeper trench mean more labor and more gravel. The other two catch people off guard.

Around here, the ground fights back. Much of the I-35 corridor sits on caliche and limestone, and once a trench hits rock, hand digging or a jackhammer replaces the easy machine work. That alone can push a job from the low end of the range to the high end. Then there’s the discharge point — the spot where collected water finally leaves. If your lot slopes to a nice downhill outlet, great. If we have to run pipe across the yard to the street or build a dry well, that’s more material and more time.

Catch basins, cleanouts, and reconnecting your downspout extensions into the system all add cost too, but they’re usually worth it. A drain that’s a pain to maintain is a drain that clogs.

Why do Central Texas yards flood?

Central Texas yards flood because our blackland clay barely drains and our rain comes in violent bursts. That soil is dense. Water can’t soak through it fast, so during one of our flash-flood downpours it just sits on top or slides toward the lowest point in the yard — which is often right up against the house.

Then the weather flips. We go from a gully-washer to weeks of drought, and that clay shrinks and cracks. Wet-swell, dry-shrink, over and over. That cycle is rough on foundations and it’s why a low spot that held water last spring is still a mud pit this summer. Add Hill Country slopes that funnel runoff toward homes, and you get standing water that breeds mosquitoes, kills grass, and leans on your slab.

A french drain interrupts that. It gives the water an easy path underground and carries it somewhere safe, instead of letting it decide for itself.

Do I actually need a french drain?

You probably need a french drain if water stands in your yard more than a day after rain, pools against your foundation, or keeps a low spot permanently soggy. Those are the clearest signs. A few more:

  • Water runs toward your house instead of away from it
  • A section of lawn stays mushy or grows moss while the rest dries out
  • You see mosquitoes breeding in a spot that never fully drains
  • Your crawlspace or slab edge stays damp
  • Mulch and soil wash out of your beds after storms

If you’re nodding along to a couple of those, it’s worth a look. Not every wet yard needs a full drain, though. Sometimes regrading the slope or extending downspouts solves it for a lot less. That’s exactly the kind of call we make on a free site visit — we’d rather send you home with a $300 fix than sell you a drain you don’t need.

What’s the difference between a french drain and regular drainage?

A french drain moves water that’s already in the ground; surface drainage moves water sitting on top of it. They solve different problems, and the best yards often use both.

A french drain is a gravel-filled trench with a perforated pipe wrapped in filter fabric. Groundwater seeps through the gravel, into the pipe, and flows downhill to a safe outlet. It’s what you want for a chronically saturated yard, a spring in a slope, or water pushing against a foundation.

Surface solutions — regrading, swales, channel drains, and downspout extensions — deal with water before it soaks in. In practice, we usually pair a french drain with grading and downspout work. Fix the slope so water heads the right direction, get the roof runoff out past the beds, and let the french drain catch what’s left. That layered approach is what actually keeps a Central Texas yard dry, and it ties in cleanly with your irrigation so you’re not fighting your own sprinklers.

Getting it done right

A french drain is only as good as its slope and its outlet. Get those wrong and you’ve buried an expensive pipe that does nothing — or worse, one that funnels water back toward the house. That’s the part we sweat on every job, whether we’re out in Universal City, up in Austin, or anywhere along the corridor between them.

If you’ve got standing water, a soggy low spot, or a foundation you’re worried about, let’s take a look. We’ll tell you honestly whether you need a drain, grading, or just a downspout fix — and put a real number on it.

Get your free on-site estimate: request a quote or call (737) 404-9343.

FAQ

Frequently asked questions

How much does a french drain cost per linear foot in Central Texas?

Most installed french drains run about $30 to $75 per linear foot in Central Texas. The wide swing comes down to trench depth, whether we hit caliche or limestone, and how far we have to carry the water to a good discharge point.

How long does a french drain last?

A properly built french drain with quality filter fabric and clean gravel typically lasts 20 to 40 years. The main thing that shortens that lifespan is silt and clay clogging the pipe, which is why fabric wrap and the right gravel matter so much in our blackland clay.

Will a french drain protect my foundation?

Yes, when it's placed to intercept water before it reaches the slab. In Central Texas, blackland clay swells when wet and shrinks when dry, and that movement is hard on foundations. Pulling standing water away from the perimeter is one of the cheapest ways to protect a slab.

Do I need a permit for a french drain in Austin or San Antonio?

A standard residential french drain usually doesn't need a permit, but tying into a storm system, working in a drainage easement, or discharging toward a neighbor can. We check local rules before we dig so you're not exposed later.

Can I install a french drain myself?

You can, but the two things that make or break a drain are slope and the discharge point, and both are easy to get wrong. A drain that runs uphill or dumps water against your own foundation makes the problem worse, not better.

Get a free estimate in Central Texas

Tell us about your project and we'll get back to you within one business day. Free, no-pressure, on-site quotes across the Austin–San Antonio corridor.

Get your free quote (737) 404-9343
Call Now Free Quote