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

About Us


DC Air Conditioning, Plumbing and Heating Magnolia Plumbing

When the home and business owners of the Washington metro area, including northern Virginia, need plumbing repairs, plumbing service, air conditioning or heating service, they know the only call they need to make is to Magnolia Plumbing, Heating & Cooling. When you contact Magnolia, have confidence that you’re getting:

  • A Licensed, Bonded & Insured company
  • Up-Front Flat Rate Pricing
  • Professionals Who Are Background Checked, Drug Tested & Licensed
  • Emergency Service 24/7, 365 Days A Year
  • 100% Satisfaction Guaranteed

Joseph John (J.J.) Magnolia had a vision to establish a service company based on the time-honored values of trust, integrity and quality workmanship. In 1950, Magnolia Companies was formed to give the residents of the Washington, D.C. metro and surrounding areas professional plumbing, heating, cooling, indoor air quality, new construction, drain cleaning and storm water management sales, service and repairs. Over the years, the company has evolved into the multi-faceted business it is today including three generations of Magnolia family members: J.J., Joseph Magnolia, Sr. and John Magnolia. Magnolia Plumbing, Heating & Cooling prides itself on setting the benchmark for excellence among other contractors for consistently delivering the high-caliber craftsmanship our customers have come to expect for over five decades.

Our reputation is important to us. We always obtain the proper permits. All work performed by Magnolia will be 100% code compliant. We never cut corners to cut costs.

Because your satisfaction and convenience is also important to us, we promise to:

  • Respect your home or business by using floor protectors
  • Be prompt, courteous and professional in the completion of your work
  • Offer extended service times with NO OVERTIME CHARGES
  • Use the highest quality products from trusted manufacturers

Magnolia Plumbing, Heating & Cooling has three convenient locations and over 200 GPS dispatched service vehicles, which means your plumbing, air conditioning, heating, indoor air quality or storm water management concern will be handled quickly and efficiently.

Call Magnolia today or complete the contact us form at the top of the page to schedule an appointment with one of our highly trained, background checked, drug tested, and licensed professional technicians. Experience the difference with a team you can trust.

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  • 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