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Diamond Hill Plumbing & Heating LLC is a plumbing business tied to Maine plumber license MS90017005, held by Jose C. Serra and active on the state registry. On Google it holds 4.6 stars from 10 ratings. A 2022 Google customer called it the best plumbing outfit in York county and said they would not use any other plumber. A 2022 customer said they left several messages with Carlos over several weeks and never received an answer, even though a friend had recommended the business.
Diamond Hill is the best plumbing outfit in York county! I wouldn’t use any other plumber!
I have left several messages with Carlos over several weeks and never received an answer. I get that you're busy, at least call me back and tell me. Especially since you were recommended by a friend.
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2 changes recorded — last scanned Oct 30, 2026.
Typical Maine range for this kind of work, from regional averages — not a quote from Diamond Hill Plumbing & Heating LLC. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$240 – $590
Typical plumbing job around $420
