Large Enough to Serve You; Small Enough to Know You!
818-993-4623 West Valley
818-78-3942 East valley
310-447-0319 Los Angeles Ares
License # 874056


You can rely on Roy Neilson Plumbing to take care of all of your residential and commercial plumbing services quickly and efficiently. Our professionally trained technicians use the best equipment on the market.

We have been offering high quality plumbing repair and service to San Fernando Valley, Simi Valley, Conejo Valley, Moorpark, Thousand Oaks, Westlake, most of West Hollywood, Hollywood, L.A., Santa Clarita Valley since 1973. Same Day Service is available! Contact us today at our location nearest to you for more information about our services.

We offer a complete range of commercial and residential plumbing repair and installation services.
Man connects the gas boiler - Plumbing  in Northridge CA

Non-Emergency and Emergency Services

  • Copper Repipe
  • Water Heaters
  • Tankless Water Heaters
  • Repair or Replace Toilets, Sinks, and Faucets
  • Garbage Disposals
  • Water Mains
  • Sewer and Drain Services
  • Sewer Replacement or Hydro-jetting
  • Video Sewer Line Inspection
  • Electronic Sewer, Gas and Water Leak Detection
  • Earthquake Shut Off Valves
  • Sub-meters
  • Backflow Testing
  • Boiler Service
Place in a large industrial boiler room - Plumbing  in Northridge CA

Our Products

Roy Neilson Plumbing provides all the premier name brand products including:
  • Alsons
  • Altman
  • American Standard
  • Bell and Gossett
  • Bradford White
  • Chicago
  • Delta
  • Eemax
  • Elkay
  • Fisher
  • Fluidmaster
  • Franke
  • Gerber
  • Grohe
  • Hansgrohe
  • Insinkerator
  • Kohler
  • Mansfield
  • Mixet
  • Moen
  • Mr. Steam
  • Newport Brass
  • Noritz
  • Price Pfister
  • Rheem
  • Sloane
  • Speakman
  • Toto
  • Watts
  • Wilkins
  • Zoeller
  • Zurn
12 Radio Dispatched trucks always in your area to serve you.