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"Keller Brothers, Inc has been working with Mallick Plumbing for over 10 years. They are the go to organization who pride themselves on providing a quality product and keeping on schedule. When presented the opportunity to hand pick a quality team of subcontractors Mallick Plumbing is always in the mix."

- Phillip D. Keller, Jr.
President, Keller Brothers, Inc.

"Very helpful - will certainly use again!! Thanks!"

- A. Inkeles, Gaithersburg, MD
"It is a continuing pleasure to work with the Mallick Group. Highly professional, responsive, intense individuals who work to resolve issues to the benefit of the Project."

- Richard G. Watkins, Coakley Williams Construction

"Excellent all around service. Kenny, you have done great! Thanks."

- S. Cranford, Rockville, MD
"I wanted to write and let you know how much we appreciate the excellent service we received from Mallick Plumbing and Heating on a regular basis. The staff are accommodating, knowledgeable, and help us meet our clients' remodeling needs."

- Steve Martin
Abacus Remodeling
Kensington, MD
"I have been working with Mallick Plumbing for 10 years and have nothing but high regards for Kenny Mallick and his entire team. They are professional, organized and have a can do attitude throughout the company. If the folks at Mallick Plumbing say they are going to do something, you can count on it getting done."

- George Nash, Facchina Development L.L.C.
La Plata, MD
"Mallick Plumbing & Heating, Inc. is the premiere mechanical contractor in the Washington, DC area. Mallick is my first choice contractor for all of my projects."

- Matt Maynard, Therrien Waddell, Inc.
"All of us at Klingensmith are impressed with Mallick Plumbing & Heating's performance. Mallick's on-site manpower size is always at the necessary level during construction to meet our scheduling needs and the project manager is fully involved in the project from beginning to end."

- Bill Klingensmith, William F. Klingensmith, Inc.
College Park, Maryland 20740
"The less time I am involved usually means that everything is proceeding smoothly which certainly was the case here."

- Keith Parker, CM Parker
"Mallick Plumbing & Heating is a top notch firm. Quality Construction by a Quality staff."

- Robert A. Baumann, Coakley Williams Construction

Commercial Projects/New Construction Division


As the "Mechanical Contractor of Choice" for many commercial businesses in the DC area, Mallick Plumbing and Heating is proud to announce the recent expansion of our HVAC Division in an effort to continue providing the widest range of services to our clients.

Our HVAC Division is staffed with a team of exceptional craftsman that bring a vast array of experience and skill in the installation of the Hydronic HVAC Systems, popular in most newer construction projects.

For more information on Mallick’s expanded HVAC services, please contact us for all of your HVAC needs.

Mechanical and Plumbing Commercial Projects/New Construction Large Commercial Plumbing
  • Large Commercial HVAC
  • Tenant Fit-Out
  • Site Utilities
  • Existing System Analysis
  • Value Engineering
  • Professional Project Management
  • Technicians Certifications
  • HVAC Equipment from Leading Manufacturers
  • Radiant Heating Systems
  • Cooling Towers
  • Storage Tanks
  • Split Systems
  • Air Handlers
  • Heating and Air Conditioning Equipment
  • Control Systems
  • Water Treatment
  • Fan Coils and Blowers
  • Vibration Isolation



  • Please call us to see how we can add value to your next project.


    Mallick Plumbing and Heating, Inc.:
    Phone: (301)840-5860
    Fax:(301)840-5878
    8010 Cessna Avenue
    Gaithersburg, Maryland 20879




    Serving Maryland, Virginia, and the District of Columbia

    © Mallick Plumbing and Heating Inc.