Coleman's Plumbing Inc.


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Angie's List: 2009 Plumber of the year for DC Area

Angie's List: Super Service awards: 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020.

Please check "Contact Us & Reviews" page for more detail.

Best way to contact is by email at:

or please call

Licensed, Insured, Bonded, Serving Maryland.

Professional, fast, and reliable service.



Monday-Thursday 8-4
Friday: 8-2

Time outside of these hours belongs to my wife.
Thank you for your understanding.

WSSC: 74565
MD State: 85606
City of Rockville: PLL-0001835


I am a one man shop and specialize in residential plumbing, new and old.

I believe in growing business one client at a time and exceeding each client's expectations in the process. I have no desire to "get big" and have lots of employees or subcontractors. I actually like plumbing hands on and love interacting with my customers personally.

The way I do business has been heavily influenced by the Master Plumber who mentored me. His motto was: "Always treat your customers in such a way that if you run into them at a grocery store, they will be happy to shake your hand and not duck between aisles."

I continuously study new systems and green efforts as well as bringing some level of "normalcy" to a field that is dominated by "belly scratching Joe Bobs". I am a professional who uses modern technologies to make my customers' lives easier and values customers' time as much as my own.

I believe in not wasting and always look for ways to keep the bill for my customers reasonable. This includes estimates; if a customer would like pricing in advance I don't have to drive out to look and charge for it, instead I can usually provide pricing over email with the use of just a couple of pictures. I use iPhone and iPad and can answer email faster than voice mail. I also use iPad for all invoicing, eliminating waste of paper.

                                                    Mark Coleman.