Family Owned and Operated Plumbing & HVAC Company
Request an In-Person Estimate 973.200.6713
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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 an in-person estimate from our courteous plumbing team.

What Sets Our Team Apart?

  • We Offer 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.

  • “Excellent Job”


  • “Very professional, courteous, and trustworthy”

    Frank Perry

  • “Number 1 in the State!”


  • “As always great service. Highly recommend them.”

    Kelly B.

  • “Did an excellent job, was very neat and carefully explained the problem and how he corrected it.”

    Ron Lemp

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

    Andrea Eckert

  • “Can't say enough good things.”

    Alyce Hackett

  • “Easy to do business with, nice people from owners to staff, do what they say they are going to do when they say they are going to do it”

    John Tarantino

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

    Donna Schneider

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

    Ben Weintraub

  • “Derak did a great job fixing the plumbing issues we had at our home!”

    Colby Bernstein

  • “I am very happy with the service of William C. Diamond and I have recommended them to other people!”

    Jeanmarie E.

  • “They are so honest, reliable, and sincere I highly recommend them and I'm so thankful I chose their services!”

    Melissa Moore

  • “Rapid response and reasonable rates, I highly recommend them.”

    John O'Connor

  • “I sleep better knowing they are only a phone call away. Day or night.”

    Alyce Hackett