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Top-Rated Sump pump or interior foundation drains installers in Crownsville - Updated Nov 2026

All Aspects Waterproofing, LLC
4.6(
188
)
Sump Pump or Interior Foundation Drains - Install

Serving Crownsville, MD and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"I forgot to do this review but am glad I did because I am two years out having waterproofing services by this company. The drain and sump pump recommended by Robert Ellis is absolutely worth it. I no longer am anxious about weather forecasts because of the work done. Robert evaluated my home, gave me options and soft recommendations then allowed me space to make the best long term decision. Completely satisfied and would recommend."
Response time1 day
13 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Remedy Plumbing & Drain Cleaning, LLC
Remedy Plumbing & Drain Cleaning, LLC
4.7(
733
)
Sump Pump or Interior Foundation Drains - Install

Serving Crownsville, MD and surrounding areas

Approved

In business since 2017

Emergency services offered

Warranties offered

"I had a backed up sink,shower and toilet. A major pipe was cracking and leaking into my basement. Reme explained everything to my satisfaction and gave different suggestions. I had new pipes put in and the sewer line snaked as well as a new sump pump installed. It was all done in one day and I was kept informed throughout the process. The price was a good price for what was done and I would not hesitate to recommend Remendy Plumbing."
Response time5 hrs
59 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Quality 1st Basement Systems, Inc.
Quality 1st Basement Systems, Inc.
4.7(
113
)
Sump Pump or Interior Foundation Drains - Install

Serving Crownsville, MD and surrounding areas

Approved

In business since 1999

Free estimates

Warranties offered

"We recently hired Basement Systems USA to install a sump pump and basement air system in our new home in Glen Arm, MD. They did a great job! Their communication and workmanship was incredible. We ll definitely be recommending them to our friends and family!"
Show Booth
Tough day
Found it in a crawlspace
What is it?
Found it in a crawlspace

+142

Response time1 day
Recommended by88%of homeowners
Avatar for Remedy Plumbing and Drain Cleaning
Remedy Plumbing and Drain Cleaning
4.8(
78
)
Sump Pump or Interior Foundation Drains - Install

Serving Crownsville, MD and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"I called Remedy at 7:30am to request a new toilet installation, and they were able to get it done the same day at a very reasonable price. The technician took his shoes off before entering the house and kept his mask on the entire time. He was professional and courteous, as was the office personnel I spoke with. They removed the old toilet, installed the new toilet, processed the paperwork, and disposed of the old toilet, all in less than an hour. I would highly recommend Remedy Plumbing and will certainly use them again if needed."
Additional Photos
Additional Photos
9 neighbors recently requested a quote
Recommended by76%of homeowners
Avatar for Mahon Plumbing
Mahon Plumbing
4.6(
199
)
Sump Pump or Interior Foundation Drains - Install

Serving Crownsville, MD and surrounding areas

Approved

In business since 1994

Emergency services offered

Warranties offered

"It went really well.  We noticed a slow leak coming into the basement from where the water line comes into the house.   We had a local plumber come out and evaluate the leak and he determined it was a cracked or broken  30 year old plastic  water line between my house and the water main for the neighborhood, which means it's my problem, not the county's.  Since this was going to be an expensive job, I used Angie's List to find another plumber for a second quote.  That plumber was Mahon and their quote, with the Angie's list coupon, was about the same price as the local plumber, but they also included in that price bringing the area the water pipe enters my house up to code and adding an overflow tank to the hot water heater to bring it up to code.  Plus, they arranged for the county inspector to inspect the work when done.     They did use PE line instead of copper (the local plumber would have used copper) but I looked at various plumbing sites on the Internet and it looks like PE pipe is a valid choice and easier to install.

Mahon Inc. is very responsive.  They had a guy out to my house within a couple of hours to look around and give me a quote.  He was able to give me a quote on the spot, and once I agreed, they arranged to be at my house 8am the next day.   They showed up with  5 guys, two trucks and a backhoe.    While waiting for Miss Utility, they gave me good suggestions like filling a pitcher of water for drinking and filling the bathtub with water to replace the water in the toilet after flushing - this was very useful advice!    They also did the inside plumbing while waiting for Miss Utility.
Everything went well - they had to dig two holes, one where my water line comes off the main feed  and one on the outside of the house where the water line enters the house.  There is a garden next to the house, so they moved the ground containing the tulip bulbs to the side so it could be returned later;   they tried very hard not to damage the plants.   The water was back on around 1pm and they left by 3pm.  They would have completed the job earlier except they had to wait for the inspector before filling the holes and moving the plants back into the garden.   Once the hole by the water main was filled they put down soil and seed and hay.      They were able to pull the old line out with no problems, but they had a torpedo or missile that they could have used to run the new line if the old line couldn't be pulled.  They did not need to do that, but it was good that they were prepared, and it would have not effected the price if they had used it. 
They were easy to work with, knew what they were doing, and very professional.





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Tankless water heater installation
Tankless Water Heater Installation
Commercial drain cleaning
Sewer Line Video Inspection
Water heater replacement

+30

Response time7 hrs
Response rate100%
Recommended by92%of homeowners
Avatar for JES Foundation Repair
JES Foundation Repair
4.5(
1,449
)
Sump Pump or Interior Foundation Drains - Install

Serving Crownsville, MD and surrounding areas

Approved (Corporate)

In business since 1993

Free estimates

Emergency services offered

"Thomas Reamer and Ramon Goard installed a sump pump and drain line and reinforced the waterproofing material. Very thorough in explaining the problem, solution, and showing us pictures of the process throughout. They worked steadily through rain and heat. Very impressed with them and their work."
Protect Your Basement
Correct Your Wet Basement
Waterproof Your Basement
Protect Your Concrete
Polyurethane Foam Injection

+12

514 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for Mr. Rooter of Maryland
Mr. Rooter of Maryland
4.3(
1,100
)
Sump Pump or Interior Foundation Drains - Install

Serving Crownsville, MD and surrounding areas

Approved

In business since 1968

Free estimates

Emergency services offered

"They called right away, showed up on time, diagnosed the issue, installed the new sump pump, explained everything, cleaned up, and did it all in a timely manner. What more to ask? Well done."
Mr. Rooter of Baltimore fleet
Response time50 mins
17 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Guardian Basement Waterproofing
Guardian Basement Waterproofing
4.5(
24
)
Sump Pump or Interior Foundation Drains - Install

Serving Crownsville, MD and surrounding areas

Approved

In business since 1984

Free estimates

Warranties offered

"My sup pump failed and they came out the same day. They replaced the sump pump and spent hours getting the water up. It was great they could get this all taken care of on a Saturday. They are just great. Reasonable prices and they are always good."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Response time1 day
12 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for 7th State Builders, LLC
7th State Builders, LLC
4.1(
94
)
Sump Pump or Interior Foundation Drains - Install

Serving Crownsville, MD and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"I would like to thank the management and all the team members for the wonderful drywall repairs, painting & floating hardwood floor installation they provided. Throughout the entire process the team lead kept me informed of progress. The team was knowledgeable and made every effort to make my vision for my home's new look come to life. The services were performed and completed in a timely manner. The team was punctual and respectful of my property. I am very pleased with the quality of workmanship and would use them again and recommend them to friends and family."
Deck
Deck
Deck
Deck
Bathroom

+156

Response time2 hrs
Response rate93%
253 neighbors recently requested a quote
Hydro-Solutions, Inc.
3.2(
3
)
Sump Pump or Interior Foundation Drains - Install

Serving Crownsville, MD and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

Hydro-Solutions, Inc., are experts in Basement Waterproofing and Foundation Repair. We are a locally owned and operated company, that values honesty and integrity in all aspects of our business. Our dedicated team of professionals, have many years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

Response time5 hrs
Recommended by100%of homeowners
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FAQs for sump pump or interior foundation drains installation projects in Crownsville, MD

Most residential pumps draw approximately 1,300 to 2,900 watts when they first start, then settle at roughly 800 to 1,050 watts during normal operation. The exact number depends on the motor’s horsepower and how often the float switch tells the pump to run. Even at the high end, the electricity cost is minor compared with the expense of cleaning up a flooded basement.

Grab a ruler and an empty 18‑inch‑wide pit. During a steady rain, time how much the water rises in one minute. Multiply that depth (in inches) by 60 to calculate gallons per hour, then add 50% for safety. If the result tops 2,100 gallons per hour—about 35 gallons a minute—you’ll need a 3/4‑horsepower unit. Anything lower, and a 1/3- or 1/2-horsepower pump should do the trick.

Loud rattling, constant cycling, or shuddering vibrations are the pump’s way of telling you it’s on its last legs. Musty smells, higher electric bills, and visible rust are other red flags. If the unit is 10 years old or older and exhibits any of these symptoms, replace it before the next heavy rain turns your basement into a wading pool.

You don’t have to hire a licensed plumber, but you should still bring in someone who installs sump pumps for a living—whether that’s a plumber, basement‑waterproofing specialist, or experienced handyman. They know the local codes, can wire the pump safely, and will test the system before they leave. Skipping professional help might void the warranty and could leave you with a pump that fails when you need it most.

Not every basement needs a pump, but if your home sits in a floodplain, has a high water table, or has ever taken on water during a storm, a sump pump is inexpensive insurance. For basements that only struggle with condensation or the occasional damp spot, sealing cracks and improving drainage may be all that is needed.

The Crownsville, MD homeowners’ guide to sump pump or interior foundation drains installations

From average costs to expert advice, get all the answers you need to get your job done.