Mallick Plumbing & Heating

7620 Rickenbacker Dr
Gaithersburg, MD 20879 301-804-6759
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Prices for Mallick Plumbing & Heating

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Consumer Ratings for Mallick Plumbing & Heating — 182 Ratings

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Complaints for Mallick Plumbing & Heating

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Areas Served by Mallick Plumbing & Heating:

  • Alexandria
  • Anne Arundel Co.
  • Arlington Co.
  • DC–NE
  • DC–NW
  • DC–SE
  • DC–SW
  • Fairfax Co.
  • Howard Co.
  • Montgomery Co.
  • Prince George's Co.

Consumer Comments for Mallick Plumbing & Heating

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Consumer from WASHINGTON, DC
Feb 15, 2026
We've used Mallick for a variety of plumbing issues. When we had a sewer backup, they were very prompt and professional. They have more updated technology like cameras to see what is going on to cause the backup. I had two other plumbers come out beforehand who destroyed our toilets trying to unclog and still didn't know what the problem was. They are worth the $$ when you really need the experience and high-tech solutions.
Consumer from Gaithersburg, MD
Dec 06, 2025
They did a good job and the price was reasonable.
Consumer from GAITHERSBURG, MD
Jun 26, 2025
I called Mallick the morning after I saw the puddle next to our electric water heater. Jeremy arrived within the hour, checked the water pressure and found it too high and said he needed to replace the defective pressure regulator. He drained the tank and found considerable amounts of sediment. He explained that while our tank was under warranty, there was only a fraction of a year left and gave me the comparative costs of simply using the warranty or putting in a new tank with a full ten year warranty. We chose the full term warranty and Jeremy made it all happen by the end of the day. We were most appreciative of Jeremy's professionalism throughout the whole process.

...and 47 more consumer comments for Mallick Plumbing & Heating