4181 BILLY MITCHELL DR · ADDISON, TX MON-FRI 8A-5P LIC. #RMP35786 BBB A+ RATED
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Serving Coppell, TX

Plumber in Coppell, TX

Licensed plumbers working in Coppell homes, backed by in-house excavation crews and over 150 years of combined experience. Upfront pricing.

  • Local, licensed crews, Lic. #RMP35786
  • Same-day service across Coppell when possible
  • Insurance-ready documentation on every diagnosis
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Est.1995
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Coppell runs on a watering calendar from May through September, and the yards here show it. Two days a week is not much water for clay soil that shrinks when it dries, and shifting soil is what moves a slab and stresses the lines underneath it. Herndon McFarland Plumbing has served the Dallas area since 1995, and our crews spend a good part of every week on exactly the problems that soil movement creates.

Book your service online with Herndon McFarland Plumbing today.

Plumbing Services We Offer in Coppell

Coppell calls tend to start underground and work upward, so the list is ordered the way the work actually arrives. The full breakdown lives on our plumbing services page.

Our own licensed technicians carry out this work instead of a subcontractor. That is the reason we can put a guarantee on the labor.

How Coppell’s Watering Schedule Shows Up in Your Plumbing

The City of Coppell Water Conservation Plan puts every utility customer on a mandatory Stage 1 schedule from May 1 through September 30. Addresses ending in an even number water Tuesdays and Saturdays, odd numbers water Wednesdays and Sundays, and automatic or hose-end spray irrigation is prohibited between 9 am and 6 pm.

That is sound water policy. It is also three and four day gaps with no water going into the ground around your house, in the months when this clay gives up moisture fastest. Clay shrinks as it dries. The soil pulls back from the edge of the slab, the slab settles where the support went, and the supply and drain lines cast into and under that concrete take the strain.

The plan leaves a door open that most homeowners walk straight past. Hand watering, drip irrigation, and soaker hoses are allowed on any day, at any time. A soaker hose run a foot or so off the foundation on a short cycle keeps the perimeter closer to even without touching your two sprinkler days. It is the cheapest foundation care available.

When a line has already given up, we start with leak detection and a hydrostatic test so we know what is failing and where before anyone opens concrete.

Signs a Coppell Slab Has Moved on Your Plumbing

Soil movement rarely breaks a line all at once. These are the warnings that come first.

  • A water bill that climbs with no change in how the house is used
  • Warm or damp spots on a tile or wood floor, most often noticed barefoot
  • The sound of water moving with every fixture shut off
  • Doors that stop latching in the same season a drain starts running slow
  • Pressure that falls off across the whole house rather than at one fixture

Any one of these is worth a look.

Why Coppell Homeowners Choose Herndon McFarland

Most of what goes wrong here is buried, so the company you call needs the equipment to reach it and the license to sign off on it.

  • Serving Coppell and the wider Dallas area since 1995
  • Over 150 years of combined plumbing experience across the team
  • Licensed by the Texas State Board of Plumbing Examiners, license RMP35786
  • Licensed, insured, and bonded, with permits pulled where the work requires them
  • In-house excavation and tunneling crews, so slab and sewer work stays with one company
  • A one-year labor guarantee on our installations
  • PHCC-TX and North Dallas Chamber of Commerce member
  • Adjuster assistance on plumbing tests and repairs
  • Military and senior citizen discounts, plus financing and our HMC Protection Club membership

We would rather find the actual failure and explain the options than sell a repair that leaves the cause in the ground.

Get a Coppell Plumber Out to the House

Describe what the house is doing, and we will start with a diagnosis instead of a guess. Slab work, drain work, gas work, and water heaters all stay with our own licensed crews from the first call through the final inspection. Coppell is one of many service areas we cover across the Dallas area.

Book your service online with Herndon McFarland Plumbing.

FAQs About Plumbing in Coppell, TX

Does Coppell’s watering schedule affect my plumbing?

Indirectly, yes. The city’s mandatory Stage 1 schedule limits sprinkler irrigation to two assigned days a week from May through September. That is fine for turf and harder on clay soil around a foundation, which shrinks as it dries and lets the slab settle unevenly. Under-slab supply and drain lines move with it. The plan does allow soaker hoses and drip irrigation on any day, which is the practical way to keep moisture steadier along the perimeter without breaking the schedule.

Do I need a permit for plumbing work in Coppell?

It depends on the scope. Replacing a flapper or clearing a stoppage is not permitted work. Water heater replacement, repiping, sewer line replacement, gas line alterations, and new fixture installations are treated differently and generally require a permit and inspection through the City of Coppell. We confirm what applies before we begin and handle the permitting and inspection process when it is part of the job, so the work is documented rather than something a future buyer’s inspector has to untangle.

How do I know a high water bill is a leak and not just summer irrigation?

Shut off every fixture and appliance that uses water, then watch the meter. If the low flow indicator moves, water is going somewhere. If the meter is still, the usage is likely irrigation. From there, an isolation test separates the pressurized supply side from the drain side, which tells us whether we are looking for a leak under the slab, a leak in the yard line, or an irrigation problem that is not a plumbing repair at all.

Can a slab leak be fixed without tearing up my floors?

Often, yes. The right method depends on where the line runs, how deep it sits, the condition of the rest of the piping, and what is above it. Tunneling under the foundation lets our crews reach many under-slab lines from outside, leaving flooring, cabinets, and finished surfaces alone. Sometimes rerouting the line overhead makes more sense than repairing it in place. We locate the leak first, then explain which approach fits the house rather than defaulting to one method.

Why do my drains slow down across the house at the same time?

One slow fixture is usually a local clog. Two or more slowing together points farther down the line, toward the main. Causes include grease buildup, root intrusion at joints, a bellied section where soil settled, or a partial collapse. Gurgling and sewer odor indoors suggest a venting problem or a blockage pulling air through. We camera the line to see the actual condition before recommending cleaning, hydro jetting, spot repair, or replacement.

Herndon McFarland Plumbing excavation crew repairing a sewer line
Documented findings from a recent job.
WHAT WE DO IN COPPELL

Services in Coppell.

OUR WORK

Real Jobs. Documented Findings.

From slab leaks under the foundation to sewer line repipes, every job is diagnosed, documented, and done right. A look at recent work across North Dallas.

Sewer line excavation and repair Sewer Line Repair
Slab leak located under bathroom tile Slab Leak Detection
Tree roots cleared from a drain line Drain Cleaning
In-wall leak located and repaired Leak Detection
Repiping behind the wall Piping & Repiping
Underground pipe excavation Underground Repair
REVIEWS

Homeowners have been saying nice things since 1995.

★★★★★
4.7 189 GOOGLE REVIEWS
“
★★★★★

Excellent customer service, very friendly staff from the person taking the call to the staff fixing the repairs. Very trustworthy company. Shaun explained the step-by-step process and provided very fair prices.

AC Addison CustomerADDISON, TX
“
★★★★★

Their positive, upbeat, anxious-to-please attitude made the whole process the very best it could be! All of the employees were a pleasure to work with. I highly recommend Herndon McFarland.

MG Mr. GarlandGARLAND, TX
“
★★★★★

Trent and Reggie were the most professional associates entering our home. They treated our home with respect as if it were theirs. We will use this company again because of them and our experience.

HC Happy CustomerPLANO, TX
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