Service

Commercial Plumbing in Frederick County

Restaurant grease traps, backflow preventers, septic certification, and commercial-scale plumbing for Frederick businesses.

Commercial grease trap and backflow preventer installation by Charles F. Murphy Plumbing in Frederick, Maryland
Need this service?
301-662-1759

Free estimates · 24/7 answering

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What We Do

Restaurants, multi-tenant buildings, and small industrial sites trust us for grease trap install and pumping (under-sink units up to 1,600-gallon outdoor traps), backflow preventer install and annual testing (3/8" through 10"), EPA / MDE septic certification, and large-capacity sewage and grinder pumps.

  • Grease trap install & service (under-sink to 1,600-gallon)
  • Backflow preventer install & annual testing (3/8" – 10")
  • EPA / MDE septic certification
  • Sewage pumps and grinders
  • Commercial water heaters
  • High-capacity drain jetting
FAQ

Commercial Plumbing — Frequently Asked

01

Do you do annual backflow testing?

Yes. We test, certify, and file paperwork with Frederick County for backflow preventers from 3/8" up to 10".
02

Can you certify a septic system for a real-estate sale?

Yes — we handle EPA and MDE septic certifications, including the inspection and the paperwork.
Free Estimates · 24/7 Answering

Got a leak, a clog, or a no-hot-water morning?

We answer 24/7 and dispatch from Frederick. Free estimates, fully insured, and family-owned since 1953.

Call 301-662-1759