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
S D.
July 16, 2026
Highly recommend Clarksburg Plumbing! They accommodated my schedule right away. John and Maddie were amazing!! They took care of my pipe repair quickly and efficiently! 10/10 recommend!
Jim C.
July 16, 2026
John and Maddie were the ultimate professionals. Came on time. Clear estimate. Excellent work fixing my pressure relief valve, which had been improperly installed by another plumber. Clarksburg are my go to plumbers from now on.
Ruth T.
July 15, 2026
Arrived on time, explained entire process, had plan a,b,c, in place, Did the best job I could ask for, and even show me the hole in my main line in the pipe. Highly recommend this company for all your plumbing needs.
Pamela B.
July 15, 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!
Al B.
July 9, 2026
I had Seth come out to change my outdoor spiked. He was in and out in no time and did a great job!
Duh S.
July 7, 2026
Called yesterday, they came today, had a clogged kitchen sink. The service was quick and Professional. Great job!
Praneeth M.
July 7, 2026
Garrett did a fantastic job snaking our clogged drain. He was incredibly professional, efficient, and made sure everything was completely clean before he left.
Andrea B.
July 7, 2026
I needed a water valve installed for my new fridge and a new faucet installed in upstairs bathroom. Seth was amazing. He came out and really listened to me and my concerns. We even called the company that was going to deliver my new fridge so he would have a better understanding of what he needed to do his job. It made me feel at ease with the whole process. He is even coming back later in the week to install new fridge once it’s delivered. I will absolutely call them again.
Shariq S.
July 6, 2026
Seth was great explaining the descaling process and performing it with precision.
Sarah R.
July 1, 2026
Seth replaced our hose bib in the front yard and did a great job! It was hot out but he still took the time to make sure everything was good to go. I called Clarksburg Plumbing yesterday and they were able to come out next day. Very professional.
B H.
June 30, 2026
Seth and his partner were very professional and did an awesome job fixing the main water valve. I highly recommend them.
CandP H.
June 29, 2026
Amazing experience with Clarksburg Plumbing LLC! Our well pump needed replacement. Seth showed up right on time, was very professional, knew what he was doing and pricing was fare (they showed me all estimates upfront and explained everything). Any future plumbing needs and Clarksburg Plumbing will be my first call. I’ll also ask for Seth by name if I can get him!!
Sarah B.
June 26, 2026
We had a pinhole leak suddenly appear in our outdoor hose bib, and Clarksburg Plumbing was able to provide next-day service, which we really appreciated. Our technician, John Brown, arrived right on time after giving us a 30-minute courtesy call. John quickly diagnosed the problem, explained everything clearly, and provided an accurate assessment of what needed to be done. He completed the repair in under two hours, and the quality of his work was excellent. Before leaving, he even took the time to share some helpful tips on how to prevent similar issues in the future. John was friendly, professional, knowledgeable, and efficient from start to finish. We couldn’t have asked for a better service experience. I highly recommend Clarksburg Plumbing and especially John Brown for anyone needing reliable, high-quality plumbing work.
Neil D.
June 26, 2026
Great experience. Team arrived on time and were efficient. Seth explained everything with even gave me some tips and pointers to look out for moving forward. David made sure everything was cleaned up before they left.
Eliot C.
June 12, 2026
Clarksburg Plumbing installed an external bib; after a couple of months there was a mechanical failure in the vacuum breaker. They responded within 24 hours, fixed it, no charge. Seth was prompt, courteous and efficient. We will be happy to use their services again.
Joseph A.
June 10, 2026
Franklin and Cris — great job and great guys. Everything went smoothly with water line replacement. A tough job. Thanks for your hard work. Clarksburg Plumbing is the best!
Joshua R.
June 5, 2026
Cris and Franklin from Clarksburg Plumbing did incredible work at our home fixing an underground water service leak. They encountered complications but went to plan B efficiently and skillfully and got the job done well and in a timely manner. They also answered all our questions patiently and taught us a lot of why they made the decisions they made. We are very pleased with their work and plan to recommend them and all of Clarksburg Plumbing to our friends and neighbors.
David N.
June 2, 2026
Franklin and Cris were especially helpful, informative and instructive. The rest of the instructive, polite and professional. Overall a good experience for me and my wife.
Stephen C.
May 17, 2026
We had a clog in our septic line. The Clarksburg Plumbing crew located the troublesome area using a camera and then removed the clog and tested the line. They then remounted the toilet with a new wax ring and cleaned the area. Overall, a great experience!
Tom W.
May 7, 2026
Seth did a great job today 5/7/2026 installing a new toilet for us. Second time he has helped us through Clarksburg Plumbing. Ask for him by name and you won’t be disappointed!! Thanks Seth!
peter D.
April 30, 2026
These guys are diligent, courteous and did a great job! They were friendly, helpful and thorough - I'd recommend Clarksburg plumbing any day of the week and twice on Sundays
Seth K.
April 28, 2026
Seth was absolutely amazing! He was very courteous and knowledgeable about his profession. He arrived on time and worked the entire time. He kept me in the loop the entire way as to what he was doing. He diagnosed two leaks within our toilet system and readily fixed them. Clarksburg Plumbing should be honored to have such an amazing employee as him.
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