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Frederick, MD · Working here every week

Your Plumber in Frederick, MDRight up the highway.

We are based down the road in Clarksburg, sixteen miles up I-270, with roots in the Frederick area. From the rowhomes off North Market Street to the newer streets in Worman's Mill and Spring Ridge, we know Frederick. Families here count on us for fast, honest plumbing.
16 miles up I-270
Leak & line specialists
24/7 emergency
Truck in Frederick
Up the highway
Serving Frederick weekly
Rooted just up the road

Plumbing built for how Frederick actually lives

Frederick is Maryland’s second-largest city, and it has been building since 1745. The Frederick Historic District holds buildings from the late 1700s through 1941. Then the city grew outward fast. Worman’s Mill, Spring Ridge, Tuscarora Creek, and Ballenger Run filled in from the 1990s onward.

Inside the City of Frederick, water lines are almost all copper. Copper is good pipe, and it still develops pinhole leaks as it ages and reacts to water chemistry. Sewers are the bigger variable here. Depending on when your block went in, we open up clay, cast iron, Orangeburg, or PVC. Knowing which one is under your yard before we dig is most of the job.

Full service, locally

Leak detection and underground plumbing in Frederick, MD

Most of what we do in Frederick falls under underground plumbing, the work that happens below the yard.

Leak Detection

Sonic, camera, and locating equipment we own and run ourselves.
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Sewer Line Repair & Replacement

Spot repairs and full replacements, permitted and warrantied.
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Water Line Repair & Replacement

Copper pinhole leaks, main line breaks, and full pulls.
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Trenchless, No-Dig Work

We run a missile and air compressor to pull sewer and water lines.
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Drain Cleaning & Snaking

Cutter heads, jetting, and camera confirmation on stubborn lines.
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Water Heaters

Repair, replacement, and tankless upgrades for Frederick homes.
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Plumbing Services

Bathroom and kitchen repairs, gas lines, fixtures, water filtration, and well pumps.
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Commercial Plumbing

Grease traps, backflow testing, fixtures, and tenant fit-outs.
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24/7 Emergency

Burst pipe or no water? Answered by our own office team, day or night. Not a bot.
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What we see here

Common underground problems in Frederick homes

1

Copper pinhole leaks

City of Frederick homes run copper supply lines. As copper ages, pinholes open up, and water chemistry pushes it along. See slab leak detection and repair.

2

Tree roots in the sewer

Big old trees and trees planted close to the cleanout or tap connection are the usual culprits. Cutter heads first, then jetting with RootX, then a dig if the line is gone.

3

The wet spot that never dries

A puddle in the front yard, a jump in the water bill, or water you can hear running all point underground.

4

Repeat backups from a belly

A low spot in the line holds waste and clogs again and again. A sewer camera inspection finds it, and locating equipment marks it from above ground.

Where we work

Frederick neighborhoods and ZIP codes we serve

We cover all four Frederick delivery ZIP codes: 21701, 21702, 21703, and 21704. See the rest of our coverage on the Clarksburg Plumbing service area map.

Downtown Frederick & the Historic District
Rowhomes and Federal-style houses off Market, Patrick, and East Streets.
Baker Park & the Golden Mile
Older streets west of downtown, out along the US 40 corridor.
Worman's Mill & Spring Ridge
Townhome and single-family communities north and east of downtown.
Ballenger Creek, Tuscarora & Westview South
The fast-growing southwest side off Ballenger Creek Pike.
Clover Hill, Amber Meadows & North Frederick
Family neighborhoods we are in nearly every week.
Kellerton, Whittier & Tallyn Ridge
Newer communities on the city's north and south edges.
Minutes away

A Frederick plumber who knows the local rules

Frederick runs differently from Montgomery County, and it changes how your job gets scheduled. Here the water utility does the shutoff, not us. Short notice can push a water line job to the next day. Permits are not always issued on the spot the way WSSC permits are, and inspection scheduling runs later in the day than the 11 a.m. WSSC cutoff. We build all of that into the date we give you. The timeline you hear is the timeline you get.

Fast response across Frederick, 21701, 21702, 21703, and 21704
We pull the permits, call Miss Utility, and handle the inspections
Three master plumbers on staff, 25-plus crew, MHIC #118444

The same crews run our plumber in Clarksburg and plumber in Damascus coverage. Frederick is the next stop up the highway.

Why neighbors choose us

The plumber from right up the road

When you hire Clarksburg Plumbing for your Frederick home, you hire a fourth-generation family company. We have been women-owned and in business since 2008, and we are WBENC certified. New school plumber, old school values. What we are known for is being the second or third plumber on a job. We find what the others could not. We own our leak detection, camera, and locating equipment instead of subbing it out, and you keep a flash drive of your own camera footage.

Underground repairs run $1,500 to $20,000 and up. Depth past ten feet, rocky ground, sidewalks, street work, and tight access are what move that number. Dig estimates are free, so you get a written price before anyone touches your yard. Financing is available through GreenSky. We do not work directly with your insurance company, but we will answer every question they have so you can get reimbursed. Weighing a dig against a no-dig repair? Our guide to trenchless vs traditional sewer repair breaks down the decision.

On warranties: labor is one year on above-ground replacements and 90 days on repairs. Underground excavation carries three years, which Maryland requires of us anyway. Underground water line pipe carries a lifetime warranty, and it transfers if you sell. More on how we work is on the why choose Clarksburg Plumbing page.

The Clarksburg Plumbing crew serving Frederick, MD.
Meet your local crew

A crew you are glad to let in

Three master plumbers lead our crews, and our technicians are our own trained, background-checked team of 25-plus. They carry current Miss Utility and OSHA training, and they are licensed under the Maryland Board of Plumbing. On shared driveways, easements, and community property we work with every party involved. The yard we dig is somebody’s yard.

From your Frederick neighbors

What your Frederick neighbors say

4.8
Based on 572 Reviews
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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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Jan B.
September 25, 2026

Tyler is great! I am very satisfied with his plumbing work.

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william B.
September 24, 2026
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Catherine J.
September 24, 2026

John and Maddie were fantastic. They fixed my original issue and then helped me out with a leaky shower and answered all my questions. I highly recommend both John and Maddie!

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Pamela B.
September 21, 2026

Absolute best plumbers I have ever used. Needed them a few times recently and each time they were so professional, kind and resolved each problem the first time around. This last issue took them several hours to fix. They explained everything along the way and gave a very fair price for a lot of work. They also work very cleanly! I will never use another plumber! I wanted to add a new review but I could not so I am editing my previous one. I had to use Clarksburg Plumbing again today and like last time, they were exceptional. I was fortunate enough to have John and Madeleine as my service technicians. I will always request them going forward. They are kind, professional and knowledgeable! I am sure the company knows how fortunate they are to have them as part of their team!

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John S.
September 18, 2026

We thank Clarksburg Plumbing again for superior, high quality and friendly service! ----- Clarksburg Plumbing visited us last week to repair an external spigot that had been leaking. The work involved creating a little inside access panel. Within and without, a nice, neat job by Charlie and his understudy apprentice, Chris. Problem solved and happy campers here! ----- UPDATE: Plumber John Brown presented himself on time and got right to work replacing my Mom's ancient leaky kitchen faucet with a new store-bought one that I provided. During the process, Mr. Brown detected and showed me two other problem areas contributing to the water leaks: a cracked drain pipe and then rusted threads on the sink trap. He efficiently and expertly repaired all three elements to our full satisfaction. Plus, John is a super nice guy, completely honest and classy enough to laugh at all my corny jokes! The next time you need any plumbing work in your home or business, I strongly endorse John Brown and anyone on the Clarksburg Plumbing team! UPDATE 2: John and his understudy Maddie visited, and quickly solved the problem of a pinhole leak in copper tubing leading from our hot water heater. He advised us on other plumbing needs, for which we have scheduled and will otherwise follow-up. Thank you Clarksburg Plumbing for your top quality people - John Brown in particular - and performance.

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John H.
September 17, 2026

Their work was excellent. The problem solved a difficult situation with a water pipe leak and worked hard to implement it. Very grareful for the work of Franklin, Noah, Cotton, Markell, Tevon, Jason, Deybis

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G M.
September 16, 2026

Tevon, Noah, Markell, and Morrow were sent by Clarksburg Plumbing LLC to repair an outside broken waterline They arrived at the appointed hour and completed the work in about 3 hours. I was very impressed with them and I would like to recommend all four of these very professional and friendly technicians. Clarksburg Plumbing is a fantastic organization; the office staff, Katie and Charlotte, who helped me are the best.

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Tom F.
September 15, 2026

Our well lines began to leak after many years of service. Noah Zohrabi,YDeybis Gomez & Markel Watts came to the rescue! Excellent service from some very professional, courteous & knowledgeable folks!

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Viannah E.
September 12, 2026

Thank you to Seth, who came on Wednesday and fixed one of our two toilets and fixed our primary bedroom shower. And thank you to Charlie, who came today and replaced our other toilet and replaced our garbage disposal. You are both lifesavers! Our weekend (and going forward) will be MUCH nicer now that we can use our bathrooms (and garbage disposal) again. Highly recommend Clarksburg Plumbing.

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Ms. R.
September 11, 2026

Excellent service today from John Brown and Madeleine S. They were very kind and took time to explain the issue with my dishwasher. I really appreciate their professionalism and efficiency. I would definitely consider using this company again based on my service today!

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Annabelle S.
September 11, 2026

GREAT service and expertise! John and Maddie just installed a water filtration system to our home. The process took one day to install and then they came back from the 48 hour install period to ensure everything was working well. John was familiar and knowledgeable about the water system we bought. Maddie and John kept our space clean, clearly explained how to ensure longevity for our system to last, and the difference it will make in our home. We appreciate their hard work and professionalism. This is our second time using Clarksburg plumbing. We would highly recommend their company to our family and friends.

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Dia R.
September 11, 2026

We had a good experience with Clarksburg Plumbing: it was easy to schedule, they communicated clearly, arrived on time, and did a great job on completing the work.

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Dan M.
September 11, 2026

Great

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Roxie H.
September 7, 2026

John did Excellent job with installing water refrigerator line for my refrigerator. My Condo was built 1983, and pipes were complicated, but not for John. He found it easy and finished the job in the timely manner. I am very happy customer. Thank you John!!

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Rebecca W.
September 4, 2026

John Brown was knowledgeable, responsive and pragmatic. He saved us time by diagnosing then recommending best course of action. We are now waiting for the estimate for the project and will be going with Clarksburg Plumbing on our 1948 cap cod renovation. Highly recommend this company’s knowledge, professionalism and responsiveness.

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vince R.
September 3, 2026

Franklin and his crew showed up promptly and communicated great with us to help limit disruption with the tenants at 4 of our building. Unfortunately for us a second water main leak occurred the day before. But luckily for us they were able to stay on site another 2 days and knock the second one out, even staying till 8pm to find the line and get it repaired. These will be the guys I request for our next time needs

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Jonathan I.
September 3, 2026

Seth and Brady did a fantastic job replacing our water heater. They were professional, courteous, and detail oriented. They arrived on time and did careful, clean work all the way through. We have worked with Clarksburg Plumbing on smaller items before this and would be very happy to utilize their services in the future, as well.

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Ata B.
September 2, 2026

John and maddie were exceptionally professional and did an most effetive job in installing a expansion tank on our water heater.

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Zach M.
September 2, 2026

Brady did an excellent job. From the time I called to the time the repair was completed was within 4 hours

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Mary W.
September 2, 2026

We were very happy with the service we received today from John and Maddie. They were both very professional, ran the necessary tests to confirm the issue, and explained what they were doing step by step. They wore the protective booties to keep the floor nice and dry from the rainy weather too. Thank John and Maddie for all your help!

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John T.
September 2, 2026

Seth and Brady were great. Fair price, courteous, work completed quickly, and looks good.

Good questions

Frederick plumbing FAQ

Do you actually serve Frederick, MD?
Yes, every week. Our shop is sixteen miles south in Clarksburg, a straight run up I-270. We have roots in the Frederick area, and we answer 24/7 for emergencies.
Which Frederick neighborhoods do you cover?
All of them, across 21701, 21702, 21703, and 21704. That includes Downtown Frederick, Baker Park, the Golden Mile, Worman's Mill, and Spring Ridge, plus Ballenger Creek, Tuscarora, Westview South, Clover Hill, and Amber Meadows.
Who shuts the water off for a water line replacement in Frederick?
The water utility does, not us. That is different from Montgomery County, where we are allowed to shut it off ourselves. Short notice can push your job to the next day, so we schedule the shutoff before we schedule the crew.
Do I need a permit for underground sewer or water line work?
Yes, and Maryland only allows a licensed master plumber to do that work. Any underground sewer or water line job requires a permit. We pull it, call Miss Utility, and meet the inspector. Permits here are not always instant, so we build that into your date.
My Frederick home has copper pipes. Why do they keep leaking?
Copper develops pinhole leaks as it ages, and water chemistry accelerates it. City of Frederick homes are almost all copper, so we see this constantly. We can patch the section or repipe, and we will tell you honestly which one is the smarter spend.
What does an underground sewer or water line repair cost in Frederick?
The honest range is $1,500 to more than $20,000. Depth past ten feet, rock, sidewalks, street work, and access drive it. Dig estimates are free and the price is written down before we start. Financing is available through GreenSky.
Do I actually need leak detection, or can you just quote the repair?
Often you do not need it. Our crews have seen enough Frederick line failures to quote the repair without charging you for detection first. Detection earns its cost on a long commercial run under a parking lot or roadway, where only a section then gets dug.
How fast can you get to me in Frederick?
Most Frederick addresses we reach the same day, and faster for a true emergency. A real person on our own office team answers 24/7 and sends a stocked truck up I-270.
Your local plumber

Frederick's plumber, on call 24/7.Let's Flow.

Need a plumber in Frederick, MD? Book online or call and talk to a real neighbor, not a call center. We are sixteen miles down I-270, available 24/7, and we treat your home like our own. Clarksburg Plumbing serves Frederick, MD, including 21701, 21702, 21703, and 21704. No public storefront in Frederick. 15300 Croghan Lane, Clarksburg, MD 20871.
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Let's get started

(301) 972 2223
Available 24/7 for Frederick and beyond
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