Commercial Plumbing, Heating, & Cooling Contractors

No Job is Too Big
Fully staffed and equipped, we dispatch over 200 service and construction vehicles throughout the Washington and Baltimore Metropolitan Region.
Emergency Service
We know every second counts when your business is flooded due to a burst pipe or blocked drains. We'll be there working around the clock to help get your business up and running again.
Over 70 years, 4 Generations
For over 70 years we have been serving the residents and companies of the Washington, DC area. 4 generations of the Magnolia family have been dedicated to service and quality workmanship.
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CAN DO. WILL DO. WELL DONE. GUARANTEED!

Plumbing

Drain & Sewer

HVAC

Stormwater Management

Large Diameter Pipe Cleaning & CCTV

Tank Pumping

WHY MAGNOLIA?

Expertise 

We know every second counts when your business is flooded due to a burst pipe or blocked drains. We’ll be there working around the clock to help get your business up and running again.

History 

Since 1950, our family has had a passion for service, dedication to efficiency, and a promise to provide the highest quality of workmanship

Leadership 

Our experience and dedication have made us leaders in the industry, dispatching over 200 service and construction vehicles throughout the Washington and Baltimore Metropolitan Region.

Community Involvement 

From Sustainable Energy to Breast Cancer Awareness and supporting Small Businesses, we believe in caring for our community.
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NO JOB IS TOO BIG • FULLY EQUIPPED AND STAFFED

24/7 EMERGENCY SERVICE

Proudly serving Maryland, Northern Virginia and Washington DC since 1950.

Our Residential Division Regularly Provides Service In: