Toll Free 888-333-1046
Proudly servicing and licensed in DC, MD & VA since 1950

Contact Us

Magnolia Plumbing, Heating and Cooling, Inc., is dedicated to providing professional, quality, and timely service to all our residential and commercial customers. We hope to be your go-to source for Washington, DC, Northern Virginia, and Maryland plumbing and HVAC.

Did you just have a great service experience with one of our technicians, customer service reps, or
 managers and want to let us know about it? Please feel free to leave your comments in the message area of the form on the right. If for some reason our products and services did not meet your expectations, or you see an opportunity for improvement, please let us know as well. We take any feedback we receive from our customers to heart and will share it with our team and, if necessary, take steps to improve our processes. In addition, we work with you until you are happy with the result.

Magnolia Plumbing, Heating and Cooling is fully licensed and insured:

Washington DC:

DC Plumbing and Gasfitting Contractor: #PC 1000672
DC HVAC/Mechanical Contractor: # RC 810
Washington Suburban Sanitary: WSSC #71500

State Plumbing and Gasfitting Contractor: #18135
Maryland HVAC/Mechanical Contractor: #532
Maryland Home Improvement: #51790

State of Virginia – Class A License # 2705 132517A

Customer Service for all locations:

Human Resources for all locations :
Phone: (888) 333‐1046
Fax: (202) 526‐7425

Main Office:
600 Gallatin Street NE
Washington, DC 20017
Phone: (888) 333‐1046
Fax: (202) 529‐5632

Gambrills Office:
728 Maryland RT 3
North Gambrills, MD 21054‐1312

Laurel Office:
13400 Mid‐Atlantic Blvd.
Laurel, MD 20708

Recent Blog Posts



  • Licensed Journeyman HVAC Technicians, Plumbers, and Gas Fitters
  • On-Going Manufacturer and In-House Training
  • Drug Tested and Background Checked
  • Service All Brand & Models


  • Serving Our Community Since 1950
  • Maintenance Agreements
  • Licensed, Bonded & Insured
  • Up-Front Flat Rate Pricing
  • Permits pulled & 100% Code Compliant


  • Serving DC, MD & VA
  • 24-Hour Emergency Service
  • Convenient Scheduling with Saturday Hours
  • Fully Stocked Trucks
  • Three Locations For Faster Service
  • Financing Options Available


M. Mallory
“your customer service, I would rate, overall, an A...”

Eric C.
“When it inevitably did, Jackie was able to respond very quickly and with one of our employees finally remove the final clog outside to restore things to normal. What an amazing person... I can’t say enough!”

Naomi G.
“I am pleased and grateful for your quick and courteous service on the above date”


Main Office:
600 Gallatin Street NE
Washington, DC 20017

Gambrills Office:
728 Maryland RT 3
North Gambrills, MD 21054-1312

Laurel Office
13400 Mid-Atlantic Blvd.
Laurel, MD 20708

Find Us

Office Hours:
Monday-Friday 7am - 5pm

24 / 7 Emergency Service Available!
24 hours per day, 7 days per week,
365 days per year
Phone: (888) 333-1046
Fax: (202) 529-5632