Verified record
Del Monte Plumbing, Heating & Gas Fitting is a plumbing business in Ashland, MA. MA plumber license 26394-PL-J, held by John J Del Monte, is expired on the state registry. In a 2024 review, a customer wrote that John pinpointed and repaired a faulty connection in their gas line in under an hour, and explained the problem. A separate 2024 review said John's work for that customer ran from small, difficult water leaks to their full kitchen renovation. In another 2024 review, a customer wrote that after a bad experience with a "plumber" that flooded out their bathroom, they found John, and that he "just finished all the projects with the expertise of a true craftsman." In a 2023 review, a customer called John knowledgeable, responsive and patient, and wrote that his work was thorough and his rates exceptionally reasonable.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Del Monte Plumbing, Heating & Gas Fitting. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$290 – $710
Typical plumbing job around $500
John was able to pinpoint and repair a faulty connection in my gas line in under an hour. His explanation of the problem and ability to quickly fix it showed me he has definitely mastered his craft.
Again another plumbing problem solved and fixed by John. From small difficult water leaks he finds and fixes to our full kitchen renovation. His years of experience shows in his work.
John saved the day! We recently had a bad experience with a "plumber" that flooded out our bathroom. We then found John. He just finished all the projects with the expertise of a true craftsman. If you are seeking an honest plumber with unmatched skills...then don't look elsewhere. Now if because of this review he gets super popular like Elvis ( as he should), remember us King. Rare find...you won't be sorry. BC & HC Hopkinton 0
Easily the best service experience I've ever had. John is the consummate professional: knowledgeable, responsive, professional, and patient. His work is thorough and his rates exceptionally reasonable. I wish every home service experience was this painless and worry-free. I can't recommend John highly enough.
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1 change recorded — last scanned Sep 28, 2026.
Heat pump conversions with daily cleanup4.4
Central A/C replacement with a humidifier added3.0
77 years in business3.8
65-year-old heating system replaced3.3