Family Owned & Operated HVAC & Plumbing Company
Request a Free In-Person Estimate 973.200.6713
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  • Kohler
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24-Hour Livingston Plumbers

Providing Quality Plumbing Services to Morris County

Don't let your plumbing headaches get the best of you. Let William C. Diamond Plumbing & Heating, Inc. put the problems to rest. You can rely on our dependable Morris County plumbers to come to your rescue when you have repair, replacement, equipment installation, or maintenance needs. Your comfort and peace of mind are our top priorities.

Our plumbing team is dedicated to providing the highest quality plumbing solutions to the customers we serve—at the most reasonable prices. Since 1994, William C. Diamond Plumbing & Heating, Inc. has proudly handled the plumbing needs of both home and business owners in Livingston, New Jersey, and throughout Morris County. Allow us to come through for you.

Call (973) 200-6713 to request a free in-person estimate from our courteous plumbing team.

What Sets Our Team Apart?

  • We Offer Free In-Person Estimates
  • We Are Licensed, Bonded & Insured
  • Our Owner Is a Third Generation Master Plumber
  • Our Team Is Constantly Training & Learning New Techniques

Plumbing Masters in the Area

Your Plumbing Problems. Our Priority.

When Livingston residents put their plumbing needs in the hands of our trained and reliable plumbers, restoring their plumbing problem-free properties become our focus. We'll provide you with the recommended plumbing solutions tailored to your needs, and an upfront pricing estimate before getting the job done.

No job's too big, small, or hard for William C. Diamond Plumbing & Heating! Our team will come right in the nick of time whether your damaged sump pumps need to be replaced, you have a broken boiler that needs fixing, or your backed-up sewer lines need a thorough cleaning. Your time is just as valuable to us as it is to you. Expect our plumbers to arrive promptly and ready to hit the ground running.

  • “Friendly, Professional, Clean- and FAST”


  • “Above & Beyond Expectations”


  • “I cannot say enough about the guys at William C Diamond Plumbing & Heating!”

    Marisa Jones

  • “I am so happy that I called William C Diamond Plumbing.”

    Andrea Eckert

  • “Number 1 in the State!”


  • “I was getting my basement waterproofed and the waterproofing company brought in Bill Diamond to move my oil line. While there, I asked him to look at ...”
  • “Our heat stopped working 3 days before my due date!”

    Martha Cotton

  • “I HIGHLY RECOMMEND William C. Diamond plumbing.”

    Donna Schneider

  • “I always have a good experience with William C. Diamond Plumbing and Heating”

    Ben Weintraub

  • “They return phone calls promptly. I would highly recommend their services.”

    Barbara Peroni-Kay

  • “Work completed expeditiously and expertly”

    William McGuire

  • “Starting from my first frantic call to Bill, to the happy sound of my toilet flushing, Diamond Service all the way!”

    jim ALBRECHT

  • “These people (William, his wife Laura, Greg and 4 other technicians)are not just amazing problem solvers and technicians, but absolute heroes in there efforts to get heat back on for my 91 year old friend and neighbor!”

    Jodi Paige

  • “Nice, knowledgeable and answered all our questions!”


  • “We've been using William C. Diamond Plumbing for years. He's always been fair and honest!”

    Mary Georgaros