Skip to content
888-829-8510
Careers
Promotions
JobDocs
Magnolia Companies Logo - 75 years of excellence - resized

Menu

  • About Us
    • History
    • Blog
    • Careers
    • Magnolia Family Foundation
  • Home Services
        • Plumbing
          • Water Leak Detection
            • Automatic Shut-off Valve
          • Gas Lines
          • Water Lines
          • Sump Pump
          • Piping
            • Repiping
          • Water Heaters
            • Heat Pump Water Heater
            • Tankless Water Heater
            • Gas Water Heater
            • Tank Water Heater
            • Electric Water Heater
          • Kitchen Plumbing
            • Garbage Disposal Plumbing
          • Bathroom Plumbing
          • 24-Hour Emergency Plumbing
        • Sewer and Drain
          • Sewer Cleaning
          • Sewer Backflow Preventer
          • Drain Cleaning
          • Drain Repair
          • Hydro Jetting
          • Septic Tank
          • Video Pipeline Inspection
        • Heating
          • Boiler Service
          • Furnaces
            • Gas Furnaces
          • Heat Pumps
          • Thermostats
          • Ductless Heating Systems
          • Zone Control Systems
          • Radiant Systems
        • Cooling
          • Ductless Air Conditioning
          • Best Smart Thermostat
          • Zone Control
        • Indoor Air Quality
          • Air Filtration Systems
          • Air Purifier
            • UV Air Purifier
          • Whole House Humidifiers
          • Dehumidifiers
          • Carbon Monoxide Detectors & Testing
        • Other
          • Property Managers
          • Service Agreements & Maintenance Plans
          • Financing
          • Promotions
  • Commercial Services
        • Commercial Plumbing Services
        • Drain Cleaning
          • Pipe Cleaning & CCTV
        • Commercial Heating & Cooling
        • Septic Tank Pumping & Cleaning
        • Liquid Waste Pumping Services
          • Ejector Pump Systems
          • Elevator Shaft Pit Services
          • Grease Traps
          • Septic Tank Services
          • Oil/Sand Interceptors
        • Stormwater Management
          • Above Ground
          • Below Ground
        • Commercial Site Utilities
          • Sewer Line Repair & Replacement
        • Property Managers
  • Request Estimate
  • Contact Us
Magnolia Final Logo - cropped

Follow Us

Contact Info

888-829-8510
Contact Form

Main Office:

600 Gallatin Street NE
Washington, DC 20017

Gambrils Office:

728 Maryland RT 3
North Gambrills, MD 21054-1312

Laurel Office:

13400 Mid-Atlantic Blvd.
Laurel, MD 20708

Hyattsville Office:

5140 Lawrence Pl.
Hyattsville, MD 20781

Office Hours

Monday – Friday 7 am – 5 pm
Saturday 7 am – 3 pm
*24-hour Emergency Service Available

Additional Resources

JobDocs
Careers
Sitemap
Privacy policy
Terms of Service

Licenses

Washington DC:
DC Plumbing and Gasfitting
Contractor: #PC 1000672
DC HVAC/Mechanical Contractor: #RC902837

Maryland:
State Plumbing and Gasfitting Contractor:#87827
Maryland HVAC/Mechanical Contractor: #93495
Maryland Home Improvement: #51790
Washington Suburban Sanitary Commission: WSSC #72768

Virginia:
State of Virginia – Class A License # 2705 132517A

© 2026 Magnolia Companies. All Rights Reserved.

Site by:

Blink Advertising Logo
Scroll To Top