Plumbing Services in Plano, TX

James Armstrong Plumbing has been handling plumbing services in Plano, TX since 1995. James Armstrong is a licensed Master Plumber, Texas License M-39428, with a gas endorsement, and he is the one who shows up at the house.

We cover the full range for homes and light commercial: drain cleaning, sewer lines, water heaters, toilets, faucets and fixtures, leak repair, slab leaks, gas lines, burst pipes after a freeze, and whole-house repiping.

BBB A+ accredited since 2018, 4.8 stars on Google, licensed, bonded, and insured.

Same-Day Service — Call Before Noon • Most calls are answered within 15 minutes

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Licensed Master Plumber

License #M39428

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The “Armstrong Clean Promise".

We leave your home cleaner than we found it, or we pay for the cleaning. No mess, no stress — that's our guarantee.

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Special Offers

Save BIG With James Armstrong Plumbing

$100Off

Any Mainline Cleaning
Includes camera inspection. Main line or any household drain.
*Offer ends when monthly slots are filled

$500Off

Any Sewer Line
Replacement Excavation
Full trenchless or traditional excavation.
*Offer ends when monthly slots are filled

Mention your coupon when you call or we’ll apply it automatically  from your quote request.

Coupons can’t be combined. One per household per service visit

Our Services

Plumbing Solutions
for Homes & Businesses in Plano

At James Armstrong Plumbing, we handle every aspect of your plumbing
system — from quick fixes to complex installations.
Most Requested
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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.

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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
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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.

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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.

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Emergency Services

Safe and reliable emergency services in Plano, 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

Proudly partnered with leading brands

James Armstrong Plumbing licensed technicians team in Mesquite, TX

Meet James Armstrong

Meet the Master Plumber Serving DFW: 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 Mesquite, Rowlett, Sachse, Garland, and the broader east DFW metro, with most calls dispatched and on-site within 25 minutes of the Mesquite headquarters at 844 Dalworth Dr.

“In thirty years working Rowlett, Garland, and the Lake Ray Hubbard side of the metro, the drain calls almost always come down to two things: tree roots in the older Rowlett neighborhoods near the lake, and grease and hair buildup in the newer developments off Liberty Grove and Schrade Road. 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.

Why Choose Us

Why Plano Homeowners Call Us

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Licensed & Certified Technicians

A licensed Master Plumber, M-39428, with a gas endorsement. Top license the state issues.

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Transparent, Upfront Pricing

No hidden fees and no surprises. Just clear, honest pricing you can trust before we begin any repair or installation.

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Fast & Friendly Service

We respect your time. Our technicians arrive promptly, work efficiently, and treat you and your home with courtesy and care.

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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.

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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.

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Emergency Response Available

Afterhours and weekend emergency calls accepted. $199 emergency service fee — no surprises. Call (214) 918-6109.

Emergency Calls Accepted After Hours & Weekends as well.

Plumbing Emergency? We Take After-Hours & Weekend Emergency Calls. (214) 918-6109 • $199 emergency dispatch fee • Most calls responded to same day.
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Our Process

What to Expect
 
When You Call

From your first call to our follow-up check-in —
here’s exactly how we take care of you.
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01
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Call or Book Online

Speak with a real person, not a call center. We schedule at your convenience.

02
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Same-Day Inspection

A licensed plumber evaluates your issue on-site. No guesswork.

03
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Upfront Quote

You approve the price before work begins. The number you see is final.

04
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Clean, Expert Work

Armstrong Clean Promise — we leave your home better than we found it.

05
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Follow-Up Guarantee

We check in within 24 hours and follow up to ensure everything holds.

Free estimate · No obligation · Real person answers

Customer Reviews

What Our Customers Say

4.8
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Service Areas

Serving Communities Across
Dallas-Fort Worth

We work across the Dallas-Fort Worth Metroplex from our shop in Mesquite. Our core service area is Mesquite, Garland, Rowlett, Dallas, Plano, Richardson, Balch Springs, and Sunnyvale.

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FAQ

Frequently Asked Questions

Have questions? We’ve got answers. Can’t find what you’re looking for? Give us a call anytime.

Our friendly team is available 24/7 to help you.

Most repairs run $150 to $600. A toilet or faucet repair is $150 to $400. A drain clearing is $150 to $350, and a main line clearing is $250 to $600. Water heater replacement is $1,200 to $3,500. A slab leak is $1,500 to $15,000 depending on where it is and how we reach it. We quote a flat rate once we have looked at the job, not before.

Usually a slab leak, which is a hot water line failing under the foundation. North Texas clay swells and shrinks with the weather, the slab moves, and the copper underneath moves with it until something rubs through. Other signs are a water bill that jumped and stayed up, the sound of running water when everything is off, and new cracks in the slab or drywall. It is the most commonly overlooked serious plumbing symptom around here.

No. We are Monday through Friday, 8:00 AM to 5:00 PM, and if you call before noon we can usually get out the same day. After hours and weekends carry a flat $199 dispatch fee, quoted on the phone before anyone gets in a truck. If what you have can wait until morning, we will tell you so and save you the money.

Run the meter test. Turn off every faucet, appliance, ice maker, and irrigation zone, then look at the water meter and find the small triangle or dial that spins when water moves. If it is moving with nothing running, water is going somewhere. One caveat: a leaking toilet trips this test. Put food coloring in each tank, wait twenty minutes without flushing, and if color appears in a bowl, that is your answer and it is a $15 flapper.

If one sink or tub is slow and everything else works, it is that fixture. If the toilet backs up when the washing machine drains, if the tub gurgles when you flush, or if more than one fixture is backing up, the problem is in the main line. If it is the main line, stop running water anywhere in the house, because everything you send down is coming back up.

More than most people realize. A 50 gallon tank failing in a garage is a wet floor. The same tank failing in an attic sends fifty gallons through the ceiling. Go up and check that there is a drain pan under it, that the pan has a drain line that actually runs to the outside of the house rather than just ending in the attic, and drop a $15 battery water alarm in the pan. It is the best fifteen dollars in home ownership.

Much of Plano went up in the 1980s and 1990s, so the pipe is generally copper and PVC rather than the cast iron and galvanized found in older cities. But that housing stock is now 30 to 40 years old, and a few things come due at that age: slab leaks from the clay soil moving, water heaters at the end of their 8 to 12 year run, original shutoff valves that have seized, and in some houses polybutylene supply pipe.

Gray or blue plastic supply pipe used in a lot of houses built roughly between 1978 and 1995. Chlorine in municipal water degrades it from the inside and it tends to fail without warning. The part most homeowners do not know is that many insurance carriers will not write a policy on a house that still has it, or will write it with a water damage exclusion. It usually shows up near the water heater or under sinks.

Yes. Cities require permits and inspections for water heaters, gas work, repiping, and sewer repair. A lot of the market skips it because a permit means an inspector shows up and looks at the work. It becomes a problem later, when you sell the house and the buyer's inspector finds it. We pull them, itemize them separately, and do not mark them up.

Yes. Single-family homes, condos, townhomes, HOA-managed properties, and light commercial including offices, retail, clinics, restaurants, and multi-unit residential. Condo and HOA work has its own wrinkles around access windows, shared stacks, and who is responsible for which side of the wall, and we are glad to talk through that.

We are in Mesquite, about 25 miles from Plano, and we would rather say that plainly than pretend otherwise. We are happy to make the drive. If a pipe has burst and your house is filling with water, call whoever can get there fastest.

Leave the building. Do not flip a switch, unplug anything, or use your phone inside, because any spark can ignite it. Get people and pets out and leave the door open behind you. From a safe distance outside, call 911 and Atmos Energy at 866-322-8667. Atmos runs a 24 hour line and will come shut the gas off at no charge. Call us afterward at 214-918-6109 for the repair.

Our friendly team is available 24/7 to help you.