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TRUSTED BY POTOMAC, MD HOMEOWNERS

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    Average homeowner rating
  • Verified reviews icon3.4k+
    Verified french drain services reviews

Top-Rated French drain pros in Potomac - Updated Nov 2026

Avatar for Remedy Plumbing & Drain Cleaning, LLC
Remedy Plumbing & Drain Cleaning, LLC
4.7(
733
)
Drain Clog or Blockage - ClearSump Pump or Interior Foundation Drains - Install

Serving Potomac, MD and surrounding areas

Approved

In business since 2017

Emergency services offered

Warranties offered

"When Remi responded to my request, he arrived at my home within thirty minutes of taking my call. He started the work immediately; my drain was unclogged in a matter of minutes. I would recommend using his service."
Response time5 hrs
59 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Star Plumbing and Drain, LLC
Star Plumbing and Drain, LLC
4.5(
289
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For Business

Serving Potomac, MD and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"I called Star Plumbing on a Tuesday to fix a clogged drain in my kitchen sink and bathroom shower. They gave me an appointment for later that same day. They were professional and knowledgeable. They talked me through the work and recommended solutions to keep the problem from repeating. I have experience with several big name plumbing companies over the last 20 some years and Star Plumbing gets my vote as the best I have ever worked with. And, you can't beat their prices!! In fact, I called them the very next day to fix a plumbing problem at my office."
our ad
Response time8 hrs
Recommended by95%of homeowners
Avatar for Dun Rite Drain Cleaning
Dun Rite Drain Cleaning
4.6(
395
)
Drain Clog or Blockage - Clear

Serving Potomac, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2008

Free estimates

Emergency services offered

"Sterling was a great technician he worked extremely hard to clear my toilet drain. They really take pride in there work at this company and completely explained me the process and everything that was involved. I had roots clogging my toilet drain and Sterling was able to locate and remove the root issue and provide me with video evidence of just how clean the drain now is after the service. Very happy with the service provided."
Ihop shopping center
Ihop shopping center
Ihop shopping center
Ihop shopping center
Ihop shopping center

+20

Response time3 hrs
Response rate95%
9 neighbors recently requested a quote
Avatar for Drainage and Erosion Solutions
Drainage and Erosion Solutions
4.2(
310
)
Basement Drainage Channels - InstallFoundation Drainage - Install or Replace

Serving Potomac, MD and surrounding areas

Approved

In business since 2003

Free estimates

Warranties offered

""After 15 years of enduring water and flooding damage to our yard and the foundation of our house, and after trying various 'solutions' from well-intentioned landscapers that never truly resolved the issues, we ultimately decided to engage Drainage and Erosion Solutions. We required comprehensive flood control and damage mitigation, and their expert team skillfully implemented swales, dry creeks, catch basins, and channel drains in areas where water management was critical. They also replaced a water-damaged window well, removed a flagstone patio to install drain basins and drainage pipes, and flawlessly reinstalled it. The supervisor and crew displayed remarkable knowledge, professionalism, and an unwavering commitment to detail throughout the entire project. This system has been operational for several months now, and even during the most intense rainfall, which historically led to road flooding, my house and foundation remain dry. We enthusiastically endorse this company without reservation.""
The property before we began.
First step - demolition
Regrading and Patio
Regrading and Patio
Regrading and Patio

+66

Response time1 day
Response rate100%
2 neighbors recently requested a quote
Suma Plumbing and Drain Cleaning, LLC
4.9(
635
)
Drain Clog or Blockage - Clear

Serving Potomac, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2003

Free estimates

Customers say: True professional

"Suma responded to our request to snake our basement floor drain. Upon inspection we were quoted a price for the job which we felt was reasonable. The technician completed snaking the drain and then tested it thoroughly to be certain it was clear. Very professional."
Response time2 hrs
25 neighbors recently requested a quote
Recommended by95%of homeowners
Joseph plumbing & drain
4.9(
162
)
Basement Drainage Channels - InstallDrain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For Business+3 more

Serving Potomac, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2018

Free estimates

Emergency services offered

"Kap from Joseph Plumbing and Drain was great. I requested a quote Saturday morning and they came out within a few hours. We scheduled the work for Friday and they arrived on time, were friendly and professional, and did excellent work installing my new main water shut-off valve. Highly recommend."
Response time6 hrs
Response rate100%
4 neighbors recently requested a quote
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French Drains FAQs, answered by experts

You’ll likely pay between $300 and $450 to unclog your toilet with Roto-Rooter. However, the price could change depending on if the clog has caused a lot of damage, which your plumbing pro will want to inspect during your service appointment. Keep in mind that you won’t get a quote from Roto-Rooter over the phone. They have to send a pro out for an in-person cost estimate. You can also attempt to snake your own clog for a lot less, and simple drain snakes cost no more than $50.

If your kitchen is flooding, first turn off the water supply and electricity before entering the room. Next, focus on immediate flood control by cleaning up any standing water with a sump pump or wet-dry vacuum to prevent long-term water damage to your home. Open your windows and run any dehumidifiers you have handy. Finally, call a professional plumber to help find the source of the flood and repair it.

A liquid drain cleaner can sometimes make a clog worse over time if you use it improperly or too much. The chemicals in drain cleaners can corrode and damage pipes, causing cracks and leaks that may cause further blockages. If the clog is more than the liquid drain cleaner can handle, the cleaner will simply add chemicals to a bigger overall problem.

To clean gunk out of a sink drain, pour in a half cup of baking soda, then 1 cup of white vinegar. The two will react chemically; let them fizz for 15 minutes, then rinse with boiling water. Repeat these steps if necessary for particularly dirty sink drains, and consider a drain snake if there are clogs.

Never pour used motor oil down the drain. Doing so can have serious environmental consequences, including contaminating groundwater, endangering animals, and killing vegetation. It can also clog your pipes, causing backups in your plumbing or the wastewater treatment plant. In most places, pouring motor oil down the drain is illegal, whether you do it in your home or a storm drain.

The Potomac, MD homeowners’ guide to french drain services

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