Providing Expert Plumbing, Heating & Air Conditioning Service Since 1950

Since 1950, the Magnolia Companies have been providing homes, businesses and government offices in Maryland, Northern Virginia, and Washington, D.C. plumbing and HVAC services. Whether you need an emergency plumber in DC, a complete heating or cooling system installed in Rockville, MD, or a drain cleared in Maryland, we’ve got you covered. The entire Magnolia team works to provide:

  • Peace of mind that your plumbing and HVAC is done right and backed with a 100% Satisfaction Guarantee.
  • Faster response times with GPS-enabled fleet electronically dispatched from 3 locations serving Washington, DC, Maryland and Northern Virgina's Fairfax and Vienna areas.
  • Value and savings by utilizing today’s technology, advanced training, and trusted quality products which carry full factory warranties.
  • Convenience with extended service hours of 7 am - 7 pm, 7 days a week with no overtime charges on most of our residential services.
  • Experience the difference with a team you can trust.
Can Do. Will Do. Well Done - Guaranteed!

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10/24 0%
Clear. Lows overnight in the mid 40s.
10/25 0%
Sunny skies. High around 70F. Winds W at 5 to 10 mph.
10/26 0%
Mainly sunny. High around 65F. Winds WNW at 10 to 20 mph.
10/27 0%
Sunny. High 68F. Winds light and variable.
Partly Cloudy
10/28 0%
Partly Cloudy
Intervals of clouds and sunshine. High 76F. Winds SSW at 5 to 10 mph.


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    • Work with us to help others this October

      Magnolia Plumbing, Heating & Cooling is turning up the pink for breast cancer awareness. In honor of Breast Cancer Awareness Month, we are asking our friends, family and customers to help fund the fight for the wife of Frank Hendrickson, one of our Commercial Plumbing Estimators. Madeline has Stage 2 breast cancer and insurance will not cover her treatment. To help Madeline with her fight, click here. Any help is greatly appreciated. Thank you for your support. Be sure to look for our trucks adorned with pink ribbons out in the area the rest of October. Remember, you can do Read more »

  • Magnolia Plumbing Heating & Cooling - 18 Customer Reviews - Washington, DC, MD
    • Licensed Journeyman HVAC Technicians, Plumbers, and Gas Fitters
    • On-Going Manufacturer and In-House Training
    • Drug Tested and Background Checked
    • Service All Brand & Models
    • Ongoing training
    • 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