Sump Pumps · Clarksburg, MD
Sump Pump Repair, Replacement & Installation
Your basement's last line of defense.
A sump pump is one of those things you forget about until the day you really need it. In Clarksburg and across Montgomery County, where heavy storms and high water tables are a fact of life, a pump that fails can mean a flooded basement in hours. We install, repair, replace, and back up sump pumps so yours is ready before the next big rain. Searching for sump pump installation near me? You found your local crew.
Battery backupsLicensed & insured24/7 emergency
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Storm ready
Before the next big rain
The basics
What a sump pump actually does
A sump pump sits in a pit, called a sump basin, at the lowest point of your basement or crawl space. As groundwater rises after rain or snowmelt, it collects in that pit. When the water reaches a set level, a float switch turns the pump on and it pushes the water up and out through a discharge line, away from your foundation. When it works, you never think about it. When it fails during a storm, you find out fast. That is why repair, replacement, and a battery backup are some of the smartest money you can spend on your home.
What we do
Sump pump services
Repair, replacement, backup power, and the parts that keep it all running.
Sump Pump Repair
Stuck floats, clogged impellers, bad check valves, and wiring issues diagnosed and fixed so your pump runs when it counts.
Sump Pump Replacement
Old, undersized, or failing pumps swapped for a properly sized, reliable unit that will protect your home for years.
Battery Backup Systems
A backup pump that kicks in when the power goes out, exactly when storms tend to knock it out. Your best insurance against a flood.
New Sump Pump Installation
No pit yet, or finishing a basement? We assess the water table and install a complete sump system sized for your home.
Float, Check Valve & Impeller
The small parts that cause most failures, replaced fast: float switches, check valves, and clogged or worn impellers.
Discharge Line & Pit Cleaning
Frozen, clogged, or poorly routed discharge lines corrected, plus pit cleaning so debris does not jam the pump.
How it works
From rising water to a dry basement
Four simple steps happen every time it rains, as long as your pump is healthy.
1
Water collects
Groundwater rises and drains into the sump pit at the lowest point of your basement.
2
Float rises
As the pit fills, a float switch lifts and signals the pump to turn on automatically.
3
Pump activates
The impeller spins and pushes the water up and out of the pit under pressure.
4
Water exits
A check valve stops backflow while the discharge line carries water safely away from your foundation.
Catch it early
Signs your sump pump is failing
If you notice any of these, have it checked before the next heavy rain. A small repair now beats a flooded basement later.
Runs constantly
A pump that never shuts off is usually stuck, undersized, or wearing out, and it will burn up.
Will not turn on
A dead pump in a wet pit means a stuck float, lost power, or a failed motor that needs attention now.
Cycles on and off rapidly
Short cycling points to a float or check valve problem and shortens the life of the motor.
Strange noises or vibration
Grinding, rattling, or loud humming usually means a worn or jammed impeller or motor.
Visible rust or musty smell
Rust, grit, or a damp, musty basement signals trouble in the pit and standing water that is not clearing.
Seven or more years old
Most sump pumps last about 7 to 10 years. If yours is older, plan a replacement before it fails.
Spot any of these? Don't wait for the next storm.
Book OnlineCall (301) 972 2223
Know your options
Types of sump pumps
We help you pick the right setup for your basement, your budget, and Maryland weather.
Submersible
Sits down inside the pit, underwater. Quieter, tucks out of the way, and handles higher volumes. Great for finished basements.
Pedestal
Motor sits above the pit on a column. Easier to service and often longer lived, with the trade off of being louder and more visible.
Battery Backup
A second pump powered by a battery that runs when the grid is down. Since storms cause both the water and the outage, this is the one we recommend most.
Built for Maryland basements
Why this matters here
Montgomery and Frederick County see heavy seasonal rain, fast snowmelt, and clay soils that hold water against your foundation. A reliable sump pump, and a backup for when the power drops, is not a luxury here. A little maintenance keeps it ready.
- Test the pump by pouring water in the pit every few months
- Keep the pit clear of gravel, silt, and debris
- Confirm the discharge line drains away and will not freeze
- Replace the backup battery on schedule, before storm season
Annual peace of mind
Add it to a membership
Our membership includes annual plumbing inspections, so your sump pump and backup get checked before the wet season, not after a flood.
The people in your home
A crew you are glad to let in
Every technician is part of our own trained, background checked team, not a subcontractor. We show up on time, explain what your pump needs in plain language, and leave your basement clean.
From our neighbors
What your neighbors say
Rating
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!
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.
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!
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.
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.
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!!
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.
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
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.
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.
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
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!
John T.
September 2, 2026
Seth and Brady were great. Fair price, courteous, work completed quickly, and looks good.
Dreaming D.
September 1, 2026
John was amazing!! Friendly, knowledgeable and such a professional. First time ever having a women plumber, Maddie, who was talented, and very personal and professional. Great experience and I will definitely use Clarksburg Plumbing again
Karl D.
August 29, 2026
Mr Brown was a real professional. I was expressed how everything was done in an orderly manner. I’m very satisfied with the plumbing work he completed. Thank You!!
Hai-Fun W.
August 29, 2026
Seth provided an estimate on 8/25 for upgrading my basement sump pump to a dual system. He explained the setup clearly and promptly reordered the exact Wi-Fi-capable model I requested before installation. Seth and Maddie returned on 8/28 and did a fantastic job. The system works great, and their professionalism was top-notch. Highly recommended!
Gregory R.
August 29, 2026
John is very knowledgeable, friendly and professional. He does a great job of explaining things.
Gabriel B.
August 27, 2026
Katie and the Clarksburg Plumbing team were phenomenal. Katie came highly recommended, and it could not have been a better choice. During an emergency plumbing issue at one of the buildings we service, her team came right out and made it happen. It was a complicated situation, but they handled it from start to finish with great responsiveness, professionalism, and patience throughout the entire process. We greatly appreciate their help and highly recommend them.
Martin H.
August 27, 2026
The plumber from Clarksburg Plumbing who worked on my broken gas hot water heater was John Brown. John is an amazing plumber. He is extremely energetic, very efficient, has amazing knowledge about plumbing, and is very honest. He is also very friendly, considerate, and took the time to answer all my questions. He diagnosed the problem quickly (which was a defective burner assembly). Then when I showed him the manufacturer's warranty, he took the initiative to immediately call the manufacturer and order all the necessary parts (which were free under the warranty). When the parts were delivered, he made sure to show up the next day and install the parts. As we talked throughout his time in the house, I could see that he has very deep knowledge of plumbing, which gives me confidence that his work is top quality. I also had a problem with very high water pressure in the house. The pressure regulator had to be replaced. John, working with Maddie, did a great job in fixing that as well. After the work, everything was cleaned up completely.
Marina L.
August 26, 2026
The best plumbers in the Bethesda area! We have worked with over 4 companies and none could figure out our issue until we called Clarksburg. They are honest, flexible and communicative. Wonderful experience from start to finish.
Douglas F.
August 26, 2026
John and Maddy were excellent! Professional and beyond. Not only did the effectively fix our kitchen leak, but gave solid recommendations to fix other problems in advance. Appreciate them! Arrived on time, came quickly . We are definitely using this company for the rest of our remodeling planned. Thank you again. Doug Frankel Cost was no issue. They stand behind their work as they did today
Kevin
August 20, 2026
Knowledgeable technicians who explained everything in detail and did a great job installing my new water heater.
Good questions
Sump pump FAQ
What homeowners ask us most about sump pumps.
How long does a sump pump last?
Most sump pumps last about 7 to 10 years, depending on how often they run and how well they are maintained. If yours is in that range or older, it is smart to plan a replacement before it fails during a storm.
Do I really need a battery backup sump pump?
In Maryland, yes, we strongly recommend it. The same storms that fill your pit are the ones that knock out the power, and a primary pump cannot run without electricity. A battery backup keeps pumping through an outage, which is exactly when you need it most.
Submersible or pedestal, which is better?
Submersible pumps sit in the pit, run quieter, and handle more water, which suits finished basements. Pedestal pumps keep the motor above the water, are easier to service, and often last longer. We help you choose based on your pit, your water volume, and your budget.
Why does my sump pump run constantly?
Constant running usually points to a stuck float, a pump that is undersized for your water volume, a failed check valve letting water flow back into the pit, or a very high water table. Running nonstop will burn the motor out, so it is worth checking quickly.
Why will my sump pump not turn on?
The most common causes are a stuck or disconnected float switch, a tripped breaker or unplugged unit, or a failed motor. We diagnose the exact cause and get it pumping again, and we can add a backup so a single failure does not flood the basement.
How often should a sump pump be serviced?
Test it every few months by pouring a bucket of water into the pit to confirm it kicks on and clears. We recommend a professional check once a year, ideally before the wet season, which is included in our membership plan.
Are you licensed, insured, and available for emergencies?
Yes. We are fully licensed and insured, every technician is background checked, and we are available 24/7 for plumbing emergencies across Clarksburg, Gaithersburg, Germantown, and the surrounding Montgomery and Frederick County area. Call 301 972 2223 any time.
Before the next storm
Keep your basement dry.
Let's Flow.
Pump acting up, or want a backup installed before the next big rain? Book online or call and talk to a real neighbor. We are here 24/7 for emergencies.
Book OnlineCall (301) 972 2223