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Bethesda, MD · 20814, 20816, 20817

Your Plumber in Bethesda, MD

Edgemoor to Westmoreland Hills.

Bethesda has the oldest houses we work on and the hardest lots to dig on. The streetcar arrived in 1890 and Edgemoor and Battery Park went up in the 1920s, so the pipe here is often a century old. Then the lots are close-in, the walks are original, and there is frequently no side yard to bring a machine through. That combination is the whole job in Bethesda, and it is why we lead with a camera and a trenchless pull rather than a backhoe.
Trenchless, minimal digging
Licensed & insured
24/7, real person in house
Clarksburg Plumbing technician and service truck
Real neighbors
Real technicians, real trucks
Built for Bethesda's housing stock

Three housing stocks, one town name

A 1922 colonial in Battery Park, a 1955 brick rambler in Sumner and a condo on Woodmont Avenue have almost nothing in common once you open the wall. Bethesda is really three eras stacked under one name. The prewar close-in neighborhoods, Edgemoor, Battery Park, Woodmont, Drummond and Kenwood, mostly 1920s and 1930s. The postwar ring, Wyngate, Bradley Hills, Greenwich Forest, Westmoreland Hills, Sumner, Glen Echo Heights and Wood Acres, built for the federal workforce boom from the 1940s into the 1960s. Then downtown, the high-rises and condos around Bethesda Row and the Woodmont Triangle.

Each era fails differently. Prewar Bethesda is where the original service lines are, galvanized and older materials that corrode shut from the inside until the pressure upstairs is gone. The postwar ring is copper at the pinhole stage, cast iron drain stacks, and sewer laterals under eighty years of tree roots. Downtown is stacks, risers, and figuring out whose pipe it is before anyone opens anything. We work all three, residential and commercial, and we show up with a camera and locating equipment rather than an opinion.

What we do in Bethesda

Plumbing services in Bethesda

What Bethesda homes and buildings call us for most. Tap a service for the details.

Water Line Replacement

Original service lines swapped out. We run one to two of these a day, every day.
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Sewer Line Repair & Replacement

Eighty-year-old laterals under eighty-year-old trees. We camera first, always.
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Trenchless Sewer Repair

Pipe bursting and lining, so a 1920s front walk stays where it is.
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Drain Cleaning

Cutter heads, hydro jetting and a camera, in that order.
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Water Heaters

Replacement, repair and tankless, including tight prewar utility spaces.
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24/7 Emergency Plumbing

Burst line, no water, active backup. Our own office team answers, any hour.
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What we see in Bethesda

Common plumbing issues in Bethesda homes

Tell us the neighborhood and the year the house was built and we can usually narrow it before we arrive.

1

Original service lines at the end of their life

Prewar Bethesda houses are often still fed by their first water line. Depending on the decade that is galvanized, early copper, or in the oldest housing, lead. Weak pressure upstairs, discolored hot water, a wet spot in the yard that never dries, or a bill that jumped for no reason. We can tell you what you have before anyone digs.

2

Galvanized closing up from the inside

Galvanized does not leak first, it strangles first. It corrodes inward until the opening is the width of a pencil, and by the time one section finally gives, the whole run is the same age. Replacing it piecemeal is throwing money at a pipe that is already finished.

3

Sewer laterals under eighty years of roots

The tree canopy is half of why people love these streets and the single biggest thing working against your sewer line. Backups, the lowest toilet gurgling, drains slowing all at once. Cutter heads first, then jetting with RootX if the pipe is sound, then repair or replacement if it is not.

4

Copper pinholes in the postwar ring

Wyngate, Greenwich Forest, Westmoreland Hills, Sumner and Wood Acres are copper’s turn. It fails one hole at a time. Two or three leaks in a year is not bad luck, it is the pipe telling you its age.

Where we work

Bethesda neighborhoods we serve

All of Bethesda, across 20814, 20816 and 20817, and just up Rockville Pike in North Bethesda too.

Edgemoor & Battery Park
The closest single-family streets to downtown, 1920s and 1930s, on the oldest pipe in the county.
Kenwood & Woodmont
The 1920s planned streets and the blocks just north of downtown.
Wyngate & Greenwich Forest
1940s and 50s ramblers, Capes and split-levels, now at the copper pinhole stage.
Bradley Hills & Sonoma
Established mid-century brick under mature trees, with steady rebuild activity.
Westmoreland Hills & Sumner
Along Massachusetts Avenue toward the D.C. line.
Downtown, Bethesda Row & Woodmont Triangle
Condos, high-rises and commercial, where we work residential and commercial both.
Down 355

We are more than plumbers, we are your neighbors

Bethesda is WSSC territory, and that works in your favor with us. We have WERI access, WSSC’s own system, which takes a background check to get. It lets us look at the mains, the taps and the connection layers before we ever quote your job, so the number you get reflects what is actually under your street rather than a guess. Underground sewer and water line work can only be done by a master plumber pulling a permit here, and we have three. We call Miss Utility before every dig. We are licensed, bonded and insured, and the price is flat and approved by you before anyone starts working.

24/7 coverage across Bethesda, 20814, 20816 and 20817
Residential and commercial, prewar single-family through downtown high-rise
WSSC License #140 and MHIC #118444
Why Bethesda calls us

We like being the second plumber on the job

We are People First Plumbing, fourth generation, family owned and women owned since 2008. For 18 years we have specialized in the work most plumbers avoid: underground plumbing, sewer systems, drain cleaning and water line repair. We replace one to two water lines a day, every day, with crews dedicated to it. The calls we like best are the ones where somebody has already been out twice and left without an answer. One customer told us our techs found in ten minutes what other plumbers had missed for ten years. We own our leak detection equipment, our cameras and locators, and a bursting missile and compressor for trenchless pulls. On a 1920s Edgemoor lot with an original front walk and no side access, owning that equipment is the difference between a pull and a trench down the middle of your yard.

Two Clarksburg Plumbing technicians in company shirts, the local crew serving Bethesda, MD
Meet your crew

A crew you are glad to let in

Our technicians are our own trained, background-checked team. Real neighbors, real technicians, real trucks. They arrive when we said, cover their boots, protect what is already there, explain what they are doing in plain words, and clean up before they leave. In a hundred-year-old Bethesda house with original floors and a narrow stair, that is not a courtesy, it is the job. We run an apprenticeship program because we would rather train the next crew ourselves than hope someone else did it right.

Trusted by your neighbors

What Bethesda homeowners say

4.8
Based on 588 Reviews
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susan A.
November 14, 2026

They were pleasant, prompt, hard working & skillful. I can't say enough nice things about Franklin, Cris & Marco.

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Lee T.
November 11, 2026

We just noticed an Allen Key was left behind on our kitchen counter. The price was considerably more than I expected. When we sold our electrical business in 2023 our service charge for two men in a stocked truck was $175 for the first 30 minutes and the same for each additional hour plus materials. Material prices have skyrocketed since then ( I check them at Home Depot every now and then. We weren't paying $4.00 a gallon for gas either.

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sandy M.
November 4, 2026

John and his assistant were great in explaining all aspects of the project.

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Justine A.
November 3, 2026

We have trusted Clarksburg Plumbing for a few years and they always send someone out quickly and fix our problem quickly.! Today was the same! Charlie came to our house to look at one of the pipes coming from the hot water heater that was spraying water. He was able to diagnose the problem quickly and give us two options to choose from to fix it. Charlie’s knowledge of plumbing was evident in how he explained the problem and the options to fix it. After we chose the option we wanted, he began his work to fix it. His expert skills and abilities were evident in his amazing work. Charlie is also very respectful and kind, and easy to talk to. We highly recommend Clarksburg Plumbing and especially Charlie for all your plumbing needs.

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Robby B.
November 3, 2026

I assume they will be back tomorrow. There are 2 open ditches.

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Kokuis C.
October 30, 2026

An Exceptional Professional Who Sets the Standard for Quality Service! I highly recommend Charlie without reservation! He did an outstanding job today completing repairs to my home following a water leak, and his level of professionalism, expertise, and workmanship exceeded my expectations. Charlie is the kind of professional every homeowner hopes to encounter. He approached the repairs with care, precision, and an obvious commitment to getting the job done right. His attention to detail, knowledge, efficiency, and pride in his work were evident throughout the entire process. He didn't just complete the repairs; he demonstrated a level of accountability and dedication that gave me confidence in the quality of the work being performed in my home. I would specifically request Charlie again and recommend him to anyone without a second thought. If you are fortunate enough to have him assigned to your home, you can expect someone who takes his work seriously, respects your property, and delivers quality service. He represents the kind of professionalism and customer care that builds trust and distinguishes a company from its competitors. Charlie is an incredible asset to his organization, and his work deserves to be recognized by both management and customers. Companies build their reputations through employees who consistently demonstrate this level of skill, integrity, and commitment. Charlie, thank you for an exceptional job! You didn't just meet expectations; you set a standard worth recognizing. I would recommend your services in a heartbeat!

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William F.
October 29, 2026

Seth is a very good plumber. I would definitely recommend him.

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Anna F.
October 28, 2026

John and his assistant, Maddie, replaced a water heater. They did excellent work and were friendly and nice. We were pleased with the work and will contact them at Clarksburg Plumbing for any plumbing needs in the future.

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Quinton W.
October 27, 2026

Very professional team to work with who really cares about client needs

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Jackie S.
October 26, 2026

A terrific, reassuring experience getting me through a broken sewer line emergency which required digging up and replacing 20 ft of cracked, aging sewer line that had a belly. Everyone I worked with at Clarksburg was professional, competent, and efficient. The price was reasonable as well . Special shout out to my excavation crew: Noah, Markell, and Deybis headed by Jason. Thanks to Garrett and Cris who did my initial emergency intervention, snaking and diagnosis, Teyvon, John and Brady who helped with the hydrojetting, camera, and advice on how to prevent recurrence before pipe replacement. On a previous occasion, I had a great experience with Tyler who checked for a toilet leak and caulked. Finally, I greatly appreciated the comforting attention of the excellent reception staff Charlotte and Katie. Much appreciated Clarksburg Plumbing!

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Jan B.
October 23, 2026

Tyler and Brad did a great job replacing my water heater today. They cleaned up afterward and thoroughly checked everything before they left.

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Brandon H.
October 22, 2026

⭐⭐⭐⭐⭐ Tyler from Clarksburg Plumbing did an outstanding job fixing my leaking shower! He was professional, courteous, and communicated clearly throughout the entire process. I really appreciated how he kept me informed and made the experience easy and stress-free. His attention to detail and pride in his work stood out. It’s a great feeling to have someone working in your home who treats the job with care and professionalism. Tyler delivered excellent service, and I would absolutely recommend him and Clarksburg Plumbing. Thank you, Tyler, for a job well done!

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Catherine J.
October 15, 2026

Seth was excellent; he provided great and fast service and was very helpful as the scope of the work increased. Thanks!

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Billie H.
October 13, 2026

Wonderful crew. May God bless them.

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sam S.
October 13, 2026
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Evangeline L.
October 12, 2026

They are great and patience people I love their job.

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Sean P.
October 8, 2026
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Michele M.
October 8, 2026

I had an absolutely wonderful experience with Clarksburg Plumbing LLC, and especially with Seth. From the moment he arrived, he was professional, respectful, knowledgeable, and quite frankly, a breath of fresh air. I was extremely nervous about the situation because my leak was below the main water shutoff valves, and the water had to be turned off at the street. Seth immediately put me at ease and assured me that everything was going to be okay. Rather than just putting together a temporary solution, he wanted to make sure he ordered the exact parts needed to do the job properly. Seth told me he expected to have the correct part and be able to return on Wednesday to complete the repair. On Tuesday afternoon, the office called to let me know the part had arrived and confirmed that Seth would be back Wednesday morning between 8:00 and noon. Seth was at my door at 8:10 AM! I was genuinely impressed. He completed the repair carefully, explained everything he was doing, and was extremely conscientious about properly turning the water back on, opening the faucets in the house, and making sure everything was working exactly as it should. What impressed me most, though, was Seth himself. He has a wonderfully calm, professional demeanor that made a very stressful situation so much easier for me. I sincerely appreciate the care he took with my home and the respect he showed me throughout the entire process. Clarksburg Plumbing is very fortunate to have someone like Seth representing their company. I would absolutely recommend them and Seth!!

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Eric L.
October 7, 2026

Charlie did a fantastic job, would highly recommend.

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Christopher D.
October 5, 2026

Seth did an excellent job!

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Riadh Z.
September 30, 2026

Tyler was great professional and knows what he’s talking about

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Natalie R.
September 29, 2026

I had a great experience with Tyler when he came out to replace our toilet flushing system. From start to finish, Tyler was incredibly courteous, professional, and knowledgeable. He walked me through what needed to be fixed, answered all my questions patiently, and completed the job efficiently. It’s rare to find such high-quality service and attention to detail. Everything is working perfectly now, and he left the work area completely clean. I highly recommend Tyler for any plumbing needs!

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Todd O.
September 28, 2026

Tyler was polite and professional. Satisfied.

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Robert B.
September 25, 2026

John and Maddy showed up on time and did a superb job. Very friendly and informative

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william B.
September 24, 2026
Good questions

Bethesda plumbing FAQ

What Bethesda homeowners ask us most.

Do you offer emergency plumbing services in Bethesda?
Yes, 24 hours a day. The person who answers is on our own office team working a rotating after-hours schedule. Not an answering service, not a call center, not a recording. Call (301) 972-2223, and if it is a burst line or an active backup, say so on the call, because that changes how we dispatch.
How do I know what my Bethesda water line is made of?
We can look it up and we can see it. Bethesda is WSSC territory and we have WERI access, WSSC's own records system, so we can check what your address is on file as before anyone touches the ground. Then we confirm it at the house. In prewar neighborhoods it is usually galvanized or an older material, in the postwar ring usually copper. Knowing which one changes the whole conversation about repair versus replacement.
Will you have to dig up my yard and my front walk?
Often not, and on these lots that matters more than almost anywhere we work. Trenchless replacement pulls a new line along the path of the old one from small access pits at each end, so most of the lawn, the walk and the driveway stay put. Prewar Bethesda lots tend to be close-in, with original hardscape and no side access, which is exactly the situation trenchless exists for. We assess whether your run is a candidate before quoting it.
My water pressure has dropped. Is that the house or the street?
Usually the house, and usually the supply line. Galvanized pipe corrodes inward over decades, so pressure fades slowly enough that people stop noticing until a guest mentions it. Discolored hot water and fixtures that run weak upstairs but fine downstairs are the other tells. We can test it and tell you whether you are looking at a section or the whole run.
What are the most common plumbing problems in Bethesda homes?
It splits by era. Prewar close-in: original service lines, cast iron stacks, sewer laterals at the end of their life. Postwar ring: copper pinhole leaks, water heaters past twelve years, roots in the lateral. Downtown condos and high-rises: stacks, risers, shutoff coordination and scheduling around a building.
Is the sewer problem mine or WSSC's?
There is a real way to answer that instead of guessing. We camera the whole line from the lowest point in the house, a basement toilet or a cleanout, out to the tap connection. The change in pipe shows where your responsibility ends and WSSC's begins. Above-ground locating pinpoints the problem, the direction of the run and what is in the way. You watch the screen onsite and keep a flash drive of the footage.
Do you work on commercial buildings and condos in Bethesda?
Yes, residential and commercial both. Downtown Bethesda, Bethesda Row and the Woodmont Triangle are full of buildings where the hard part is access, scheduling and establishing whose pipe it is. We would rather sort that out before we arrive than in your lobby.
What does underground work cost in Bethesda?
Sewer and water line work generally runs from about $1,500 to $20,000 and up. What drives it is depth, and 10 to 20 feet is common, with an extended boom for anything past 15. Rocky ground does it, so do driveways, sidewalks and streets, tight access on close-in lots, and permits and inspections. We are licensed, bonded and insured, pricing is flat, and you approve it before we start. Financing is available through GreenSky.
Your plumber in Bethesda

Some Bethesda pipe is older than the people who own it.

Let's Flow.

Need a plumber in Bethesda? Reach out, we schedule the service, we fix the problem, you get back to life. Book online or call and talk to a real person on our team. Licensed, bonded and insured, with flat pricing approved before we start and financing available. Available 24/7 across Bethesda and Montgomery County.
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Let's get started

(301) 972 2223
Available 24/7 across Bethesda, 20814, 20816 and 20817
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