Family Owned and Operated Plumbing & HVAC Company
Request a Free 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 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.

  • “Prompt, Courteous and Excellent Service”


  • “Quality Work, Courteous Service”


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

    Barbara Peroni-Kay

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

    Alyce Hackett

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

    Melissa Moore

  • “Excellent Job”


  • “Perfect Job”


  • “William answered my call immediately.”

    Jim Black

  • “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

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

    Mary Georgaros

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


  • “Our heat stopped working 3 days before my due date!”

    Martha Cotton

  • “Bill Diamond is everything a competent contractor should be!”

    Darryl Edwards

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

    John O'Connor

  • “Not only did Bill fix everything for a reasonable price, he was on time and neat.”

    Previous Customer