- BBB A+ Rated
- Mesquite Chamber of Commerce Member
- 30+ Years Experience
Plumber in Coppell, TX
Most Coppell homes were built in the 1980s and 1990s, which means their plumbing is now thirty to forty years old. Water heaters are on their second or third replacement, some supply lines are polybutylene, and the copper under the slab is at the age where pinhole leaks start. We find what is actually wearing out and quote the fix at one flat price, in writing.
James Armstrong Plumbing has served the Dallas area since 1995. James Armstrong is a Texas Master Plumber, License M-39428, with a gas endorsement, and the company has been BBB A+ accredited since 2018.
Call 214-918-6109. Monday to Friday. $132 (5–10 PM) or $184 (10 PM–8 AM) after hours.
Licensed Master Plumber
License #M39428
The “Armstrong Clean Promise"
No mess, no stress — that's our guarantee.
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Our Services
Comprehensive Plumbing Solutions for Homes & Businesses in Coppell
Most Requested 
Plumbing Repairs and Installation
Get fast help from a trusted plumber in the DFW for leaks, fixture installs, and upgrades. We restore your plumbing with smooth, reliable work.
Water Heater Services
From quick fixes to full replacements, our water heater services in Dallas-Fort Worth, keep your hot water steady. We work on all standard and tankless models.
Most Requested 
Drain Cleaning Services
Stubborn clogs disappear with our drain-cleaning solutions in Texas. We clear the buildup fully so your drains flow the way they should.
Sewer Line Plumbing
Our team handles sewer line plumbing in the DFW , with careful inspection and precise repairs. We keep wastewater moving safely away from your home.
Gas Line Plumbing
Safe and reliable gas line plumbing in the DFW, is just a call away. Whether it’s a leak, repair, or new line, we follow strict safety standards.
Emergency Service
Emergency Service — Available 24/7
Burst pipe? Major leak? Don’t wait. Our emergency team serves the entire DFW area around the clock.
Technician available now
Why Choose Us
Why DFW Homeowners Choose James Armstrong Plumbing
Licensed & Certified Technicians
Our plumbers are fully licensed, professionally trained, and committed to delivering quality workmanship that meets today’s industry standards.
Transparent, Upfront Pricing
No hidden fees and no surprises. Just clear, honest pricing you can trust before we begin any repair or installation.
Fast & Friendly Service
We respect your time. Our technicians arrive promptly, work efficiently, and treat you and your home with courtesy and care.
The Armstrong Clean Promise
Floor protection, shoe covers, and a meticulous cleanup on every job. If your home isn’t cleaner than we found it, we pay for the cleaning.
5-Star Rated by Homeowners Like You
Local families choose us for reliable plumbing and friendly service. Your comfort, safety, and satisfaction are the reasons we do what we do.
Emergency Response Available
Afterhours emergency calls accepted. Call (214) 918-6109.
Coppell Water Heater Replacement
In a house this age, the water heater is one of the first things due, and most Coppell homes are already on at least their second one.
Before recommending a replacement we check whether a repair makes more sense. A failed thermostat, element or thermocouple on a younger unit is usually worth fixing. A tank that is leaking from the body, or an attic unit past its expected life, usually is not, because a tank failure in the attic comes through the ceiling.
When we replace a water heater, we install it to current code, including the drain pan, venting and, where the system needs one, a thermal expansion tank. We quote the whole job flat, in writing, before work starts.
Polybutylene and Slab Leaks in Coppell Homes
Polybutylene
If your Coppell home was built in the late 1980s or early 1990s, check for gray plastic supply pipe. It does not fail all at once, but it fails without warning, often at fittings. Replacing it means repiping the supply lines, which we quote flat and schedule ahead.
Slab leaks
The clay under Coppell swells when wet and shrinks when dry, and after decades that movement wears copper lines under the foundation. We locate the leak before anyone cuts concrete. Electronic leak detection runs $300 to $500, and a hydrostatic pressure test runs $300 to $500.
Drains and sewer lines
A clog that keeps coming back is usually a line problem. A sewer camera inspection runs $150 to $400. If the line needs work, cured-in-place lining runs $80 to $250 per foot, pipe bursting $100 to $300 per foot, and open trench replacement $4,000 to $15,000 or more.
Meet James Armstrong
Meet the Master Plumber Serving Coppell: James Armstrong
James Armstrong has been a Mesquite-resident Master Plumber since 1995. What began as helping neighbors fix leaky faucets turned into a career — and eventually a family business, built on one simple rule: treat people right, do the job with integrity, and always stand behind your work. Today, James and his crew serve Coppell, Sachse, Garland, and the broader DFW metro from the Mesquite headquarters at 844 Dalworth Dr.
“In thirty years of plumbing across the DFW metro, including Coppell, the drain calls almost always come down to two things: tree roots in the older neighborhoods, and grease and hair buildup in the newer developments. We camera-inspect first, then choose hydro-jetting or snaking based on what we actually see — not on what gets you to the highest invoice.”
James Armstrong, Master Plumber • Texas License M-39428 • Founder, James Armstrong Plumbing
Every job comes with the Armstrong Clean Promise — we leave your home cleaner than we found it, guaranteed. No excuses, no mess, no shortcuts. It’s the kind of commitment that’s earned us thousands of repeat customers and a reputation across the DFW metroplex for honest, reliable work.
Emergency Calls Accepted After Hours & Weekends as well.
Our Process
What to Expect When You Call
Call or Book Online
Speak with a real person, not a call center. We schedule at your convenience.
Same-Day Inspection
A licensed plumber evaluates your issue on-site. No guesswork.
Upfront Quote
You approve the price before work begins. The number you see is final.
Clean, Expert Work
Armstrong Clean Promise — we leave your home better than we found it.
Follow-Up Guarantee
We check in within 24 hours and follow up to ensure everything holds.
No hassle estimate · No obligation · Real person answers
What Wears Out in a 30 to 40 Year Old Coppell Home
Coppell grew from a small town into a suburb mostly between 1980 and 2000, in neighborhoods like Riverchase and along Denton Tap Road and Sandy Lake Road. Houses from that era tend to reach the same problems at about the same time.
| What | Why it matters now | What to look for |
|---|---|---|
| Water heater | A tank typically lasts 8 to 12 years, so most original units are long gone and many replacements are due again | Rust at the base, rumbling, water in the pan, not enough hot water |
| Water heater location | Two-story homes from this era often put the water heater in the attic | A drain pan that actually drains, and a leak alarm in the pan |
| Polybutylene supply pipe | Gray plastic supply line used in some homes built from the late 1970s to the mid 1990s, which becomes brittle with age | Gray pipe at the water heater, under sinks or where the line enters the house |
| Copper under the slab | Thirty to forty years in contact with shifting clay | A warm spot on the floor, a rising water bill, running water sounds |
| Cast iron or early plastic drains | Scale, cracks and joint separation as the slab moves | Slow drains, repeat clogs, sewer smell |
Service Areas
Serving Communities Across Dallas-Fort Worth
- Allen
- Anna
- Arlington
- Azle
- Balch Springs
- Bedford
- Benbrook
- Blue Mound
- Blue Ridge
- Burleson
- Celina
- Colleyville
- Combine
- Dallas
- Everman
- Fairview
- Farmersville
- Flower Mound
- Forest Hill
- Fort Worth
- Frisco
- Garland
- Grand Prairie
- Plano
- Richardson
- Rowlett
- Sunnyvale
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FAQ
Plumber in Coppell, TX: Frequently Asked Questions
Have questions? We’ve got answers. Can’t find what you’re looking for? Give us a call anytime.
A tank water heater typically lasts 8 to 12 years. Most Coppell homes were built in the 1980s and 1990s, so many are on their second or third water heater. Rust at the base, rumbling, water in the drain pan or running short on hot water are signs it is time to have it checked.
Look for gray plastic supply pipe where the water line enters the house, at the water heater or under sinks. Some homes built from the late 1970s to the mid 1990s used it, and it becomes brittle with age. The fix is repiping the supply lines, which we quote flat in writing.
The common signs are a warm spot on the floor, a water bill that rises with no change in use, the sound of running water with every fixture off, and a water heater that keeps running. Electronic leak detection runs $300 to $500, and no one should cut concrete until the leak is located.
A tank that leaks or fails in the attic sends water through the ceiling below. A drain pan that is piped to drain somewhere catches that water, and a battery leak alarm in the pan warns you early. We include the pan when we replace an attic water heater.
No. We work Monday to Friday, and after-hours calls carry a $132 (5–10 PM) or $184 (10 PM–8 AM) fee. Our shop is in Mesquite, about 42 minutes away, so for an active flood, shut off the main valve and call whichever plumber can arrive first.
Water heater replacement, repiping, sewer line replacement, gas line work and moving fixtures generally require a permit from the City of Coppell. Check the current requirements with the city before work begins. This is general information, not legal advice.