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  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon3k+
    Verified plumbing services reviews

Top-Rated Plumbers in Gambrills - Updated Nov 2026

Avatar for Mahon Plumbing
Mahon Plumbing
4.6(
199
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For BusinessDrain Line Breakage - Camera Locate+17 more

Serving Gambrills, MD and surrounding areas

Approved

In business since 1994

Emergency services offered

Warranties offered

"I had a plumbing issue that I thought would turn into a major headache, but Mahon Plumbing made the whole process smooth and stress-free. They arrived on time, quickly diagnosed the problem, and had it fixed before I could even make a second cup of coffee. They were professional, knowledgeable, and even gave me a few tips to avoid future issues. The pricing was fair, and there were no surprises on the bill—just great service from start to finish. If you need a plumber who knows what they’re doing and won’t leave you with a mess, I highly recommend Mahon Plumbing. I’ll definitely call them again for any future plumbing needs!"
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 Remedy Plumbing & Drain Cleaning, LLC
Remedy Plumbing & Drain Cleaning, LLC
4.7(
733
)
Drain Clog or Blockage - ClearSewer Main - ClearSump Pump or Interior Foundation Drains - Install+1 more

Serving Gambrills, MD and surrounding areas

Approved

In business since 2017

Emergency services offered

Warranties offered

"I would recommend Remedy P&D to anyone needing a plumber. They were fast to respond and schedule an appointment for a free estimate. The plumber arrived on time and was dressed in a professional company uniform. The plumber also recommended a quick cost saving option for fixing my upstairs bathroom drain. Instead of trying to make a quick buck by over charging me on a simple fix he advised me to save the cost and do his recommendation."
Response time5 hrs
59 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for A R Crowell Plumbing, LLC
A R Crowell Plumbing, LLC
4.5(
189
)
Bathtub Install or ReplaceBathtub Install or Replace - For BusinessShower Install or Replace+1 more

Serving Gambrills, MD and surrounding areas

Approved

In business since 1997

Free estimates

Credit card accepted

"Mr. Crowell was Knowledgeable, Moved Super fast to fix my problem and made us feel like he actually cared about getting the job done right! I had several estimates done and A R Crowell outdid them ALL! Although we should be ok with plumbing for awhile, I WILL keep them for recommendations, the experience was great and we didn’t feel like we got robbed when we paid them! Awesome family owned business!!"
 Walk in shower with corner seat
 Close up of corner seat
 Shower sprayers
 Shower sprayers, glass door entrance
6" Sewer Main Replacement

+254

Response time1 day
Recommended by97%of homeowners
Avatar for Mr. Rooter of Maryland
Mr. Rooter of Maryland
4.3(
1,100
)
Faucets, Fixtures and Pipes - Repair or ReplaceWater Heater - Install or ReplaceSump Pump or Interior Foundation Drains - Install+11 more

Serving Gambrills, MD and surrounding areas

Approved

In business since 1968

Free estimates

Emergency services offered

"The plumber was a forward thinker and his solution to the problems was outstanding. I don't remember his name but he is an excellent plumber. I will call on them for all future plumbing jobs and ask for him by name (which I will know by then). Jon May, Gaithersburg, MD"
Mr. Rooter of Baltimore fleet
Response time50 mins
19 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Glenmore Plumbing & Drain Services
Glenmore Plumbing & Drain Services
5.0(
21
)
Faucets, Fixtures and Pipes - Repair or ReplaceDrain Clog or Blockage - ClearFaucets, Fixtures and Pipes - Repair or Replace - For Business+2 more

Serving Gambrills, MD and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

"Yes. We were called right away. Time was confirmed and honored precisely. Price was quoted upon analyzing the problem and was more than reasonable. Upon completion of the task, my husband and I were asked to review the work and we were astatic with the results. These will be our guys for plumbing work henceforth. Van was very pleasant."
Response time5 hrs
5 neighbors recently requested a quote
Recommended by95%of homeowners
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Plumbing FAQs, answered by experts

The size of a pipe isn’t always the outside or inside diameter. Rather, it’s a nominal diameter that depends on the type of pipe. For male pipes, you’ll need to measure the outside diameter. For female pipes, you’ll need to measure the inside diameter. You’ll then need to use a nominal diameter conversion chart to get the actual pipe size you’d buy in the store.

There are several reasons why you might not get enough water pressure in your house. For one, you might have leaky pipes—a common cause of low water pressure—that divert water flow from the places you need it (like your faucets and showers). Blocked pipes, faulty fixtures, and closed valves are three more possible culprits. In other cases, your low water pressure might be the result of a local water supply issue.

Kitchen plumbing repairs range from simple to complex, with the costs reflecting that variety. Some repairs require a new part, while others call for replacing an entire appliance. For example, some of the most common kitchen plumbing repairs include:

  • Dishwasher: $75–$600

  • Garbage disposal: $75–$400

  • Ice maker water line: $100–$200

  • Kitchen sink clog: $100–$400

  • P-trap repair: $200–$325

Main water shut-off valves last 10 to 20 years on average, though they can sometimes last longer. This depends in part on the material you choose. Brass valves are very durable, but more expensive bronze or stainless steel valves may last even longer. Main water shut-off valves often fail due to aging internal parts, such as rubber washers. However, corrosion and sediment buildup also contribute to valve failure. If purchasing a home at least 10 years old, you may want to replace the main water shut-off valve soon to avoid potential problems.

Plumber schedules can vary. Many plumbing companies follow a traditional five-day work week, and schedule plumbers so that someone is available during working hours. However, some plumbers choose a four-day work week and take a day off, usually Friday. In these cases, Friday work counts as weekend work and will incur the same extra charges.

The Gambrills, MD homeowners’ guide to plumbing services

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