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Drainage & French Drains

French drain installation

French drain installation is the most dependable fix for a yard that stays wet long after the rain stops: a graded trench with perforated pipe and washed gravel that intercepts groundwater and carries it away from your lawn and foundation. Local & insured across the Triangle — searching “french drain installation near me”? You found us.

10+ yrs serving the Triangle
Local insured & accountable
100% satisfaction guarantee
12-mo workmanship warranty

Trusted french drain installation across the Triangle

French drain installation is the most dependable fix for a yard that stays wet long after the rain stops: a graded trench with perforated pipe and washed gravel that intercepts groundwater and carries it away from your lawn and foundation. Cary Sprinklers has been designing and installing these systems across the Triangle for more than a decade, and owner Adam K still stands behind every job. We’re local and insured, and we serve all of Wake County.

Triangle clay is the reason so many yards around here need this work. It sheds surface water quickly but absorbs almost nothing, so the rain that does soak in gets trapped a foot below the grass and saturates the subsoil for days. That trapped water builds hydrostatic pressure against foundation walls and pushes moisture into crawlspaces, which is exactly the problem a correctly sloped drain interrupts. We plan every french drain installation around how water actually moves across your specific lot — not from a template.

We handle french drain installation for homeowners in Cary, Raleigh, Apex, Morrisville, Holly Springs, Fuquay-Varina and throughout Wake County — part of our drainage & french drains service.

Drainage trench dug along a brick home foundation for water management in Cary, NC

French drain installation problems we solve

Diagnosed right and fixed with genuine Hunter, Rain Bird & Toro parts.

Soggy Lawn Areas

Patches that squish underfoot for days after a storm mean the clay underneath is saturated, not that your grass needs less water. A drain line set across the wet zone collects that groundwater and moves it out before roots start to rot.

Water Near the Foundation

Soil that stays wet against your foundation exerts steady hydrostatic pressure on the walls, and over time that pressure finds cracks. Intercepting the water a few feet out relieves the load before it becomes a structural repair.

Crawlspace Moisture

A damp crawlspace usually starts with saturated soil outside, not a plumbing leak. Cutting off the groundwater at the perimeter dries things out and takes the musty smell with it.

Slope Erosion

On graded lots, runoff picks up speed and strips topsoil, mulch, and seed with every storm. A drain installed across the slope catches that water high and releases it where it can’t do damage.

Settling Around Patios

When water works under a patio or walkway, our clay swells and shrinks with every wet-dry cycle, and the slab tilts or cracks. Redirecting subsurface water keeps the base soil stable.

Overloaded Downspouts

Gutters that dump roof water right at the foundation feed the exact saturation a French drain exists to prevent. We tie downspouts into solid pipe and route everything to a proper outlet in one pass.

Signs you need french drain installation

  • Standing water a day or more after rain
  • Musty smell from the crawlspace
  • Mulch or topsoil washing downhill
  • Damp stains on foundation or basement walls
  • One side of the lawn always too wet to mow

How the work happens, step by step

No mystery, no runaround — here’s the order we work in.

Site Evaluation

We walk the property, watch where water enters and collects, and check soil conditions before anyone touches a shovel. Accurate diagnosis first — guessing is how drains end up in the wrong place.

Slope & Discharge Planning

Every french drain installation depends on gravity, so we map the fall across your lot, pick a discharge point safely away from structures, and plan any downspout tie-ins and grading work at the same time.

Precision Trenching

We cut a clean trench, typically 12 to 24 inches deep, following the planned grade. Excavation stays minimal and controlled so your landscaping survives the project.

Pipe, Gravel & Fabric

Perforated pipe goes in on grade, surrounded by washed gravel and wrapped in filter fabric that keeps clay sediment from clogging the system. Most residential installs are finished in one to two days.

Reviews

What our Triangle neighbors say

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Shahar Moscovits profile picture
Shahar Moscovits
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I’m so glad I found Cary Sprinklers! Adam, the owner, is incredibly friendly, honest, and straightforward. He found several problems with our sprinkler system and was able to fix them for a very reasonable price. We had other companies come out who tried to upsell us on repairs costing thousands of dollars, so the difference was unbelievable. I have some experience in this field myself, so I know how to evaluate vendors and recognize when someone is being honest and when they’re simply trying to sell you more work. Adam was clearly focused on actually solving the problems rather than taking advantage of us. He saved us a tremendous amount of money, and we really appreciate it. Thank you so much, Adam, for your honesty, professionalism, and excellent work. Highly recommended!
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cyndy White profile picture
cyndy White
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This is the second time we have used Cary Sprinklers, and both times involved dirty digging and repairing complex leaks. The first was an underground valve leak and they put the dirt and our sod back as if it was their own home. The site around our second job by our backflow was also filled in nicely. Adam the owner, Matt the estimator, and Colby the irrigation magician were all great to work with. We think our irrigation in our box came apart when TOC main busted and the extreme pressure of 200+ psi was too much. Matt did a thorough job looking at our issue, answering all my questions about the possible TOC main break playing a part, and giving quote for the time he felt it would take. Keep in mind, this is the type of small business where you need to be flexible on the time of arrival since prior jobs may put them behind. With this said, the crew will spend all the time needed to repair the issue you have at your home and not rush to make things just good enough. They want to make sure the repair is done to your satisfaction. I texted Adam several times and he had a prompt response time. He was also prompt via email with a post work invoice question. We recommend supporting Cary Sprinklers for the reasons above and because this is a small business growing roots in our community.
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Matt Pickens profile picture
Matt Pickens
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Very fast service and Colby was very professional. Highly recommend using Cary Sprinklers.
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Lynne profile picture
Lynne
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Fantastic company! I highly recommend Cary Sprinklers. They did a great job!
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James Cleary profile picture
James Cleary
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Cary Sprinkler was easy to get an appointment online, they kept me informed every step of the way. The technician was on time, knowledgeable and personable. Would use again and recommend.
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Beth K Mandell/Lerner profile picture
Beth K Mandell/Lerner
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Adam and Gerald showed up right on time and kept me updated with texts the night before and the day of with their ETA. I needed a new zone added for part of the yard that wasn’t getting enough water anymore, and they did a great job. Fair pricing, excellent communication, and very professional — I’m really happy with the result.
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Kate Wotton profile picture
Kate Wotton
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5 stars — Highly recommend Cary Sprinklers! We hired Cary Sprinklers to expand our existing irrigation system by extending one zone and adding a completely new zone. From the beginning, they were professional, knowledgeable, and very easy to work with. What really impressed us was the equipment and efficiency. They used a Toro Dingo to trench the new lines, which allowed them to get the work done quickly and professionally while keeping the disruption to our yard to a minimum. The crew clearly knew what they were doing, and the installation was done right. Adam took the time to explain what we needed and why, and the communication throughout the project was excellent. The new zones give us much better coverage of the property, and everything is working exactly as it should. We couldn’t be happier with the finished system. The whole process was smooth, and the work exceeded our expectations. We would definitely use Cary Sprinklers again.
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Beth Turkish profile picture
Beth Turkish
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Cary Sprinklers is amazing. Adam is professional, capable, and wonderful to do business with. We called him because we had trouble with our timer app and controller. It wasn’t a brand that he usually works with, but he figured it out and fixed it anyway. Additionally, his team did an amazing job removing this massive root to get a broken sprinkler out of the ground and replace it and even under budget! I’ve done business with a few sprinkler companies in my lifetime, and these guys are the best!! They are honest, reliable, and very detail oriented. You will not be sorry if you call Cary Sprinklers.
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John Donellan profile picture
John Donellan
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Adam came out and made adjustments to several unfamiliar sprinkler heads that had been causing some lawn coverage issues. He worked quickly & efficiently to correct the issues to my satisfaction. A very good experience!
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Why homeowners choose us

01

Owner-Involved, Accountable

Adam K has spent 10+ years diagnosing drainage in Triangle clay, and he stays involved rather than handing your job to a call center or a rotating crew. The plan you get reflects your lot, not a sales script.

02

Minimal, Controlled Excavation

We trench precisely where the water is, not everywhere it might be. Your beds, sod, and hardscape come through the job intact instead of looking like a construction site.

03

Guaranteed Work, Upfront Price

You get a written quote before we dig, a 100% satisfaction guarantee, and a 12-month workmanship warranty behind every install. If something isn’t right, we come back and make it right.

French drain installation in Cary, Raleigh & the whole Triangle

We provide french drain installation across the Triangle. Choose your town for local details: Cary · Raleigh · Apex · Morrisville · Holly Springs · Fuquay-Varina.

Related services we handle on the same visit: yard drainage · foundation drainage · drain repair.

French drain installation FAQ

How much does french drain installation cost?

It depends on trench length, depth, access, and where the discharge point sits, so we don’t quote blind numbers over the phone. We give a free on-site estimate with upfront pricing — the figure you approve is the figure you pay. No surprise add-ons once the digging starts.

How long does the installation take?

Most residential jobs wrap up in one to two days, including trenching, pipe, gravel, fabric, and cleanup. Larger systems with multiple runs or downspout tie-ins can take a bit longer, and we’ll tell you before we start.

Will installing a French drain tear up my yard?

Far less than people expect. We use minimal, controlled excavation, cut sod carefully, and keep spoil contained, so the trench line blends back into the lawn within a season. Protecting your landscaping is part of the job, not an extra.

Do you offer french drain installation near me in the Triangle?

If you’re in Cary, Raleigh, Apex, Morrisville, Holly Springs, Fuquay-Varina, or anywhere in Wake County, yes. We’re based locally and have worked in Triangle clay for over a decade, so we know how these soils drain — and how they don’t.

How long will a French drain last?

A proper french drain installation lasts for decades. The filter fabric wrapped around the gravel is what makes the difference in our clay — it keeps fine sediment out of the pipe so the drain keeps flowing instead of silting shut in a few years. Skipping the fabric is the most common shortcut we see on failed drains.

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