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Monteiro Plumbing & Heating works out of Medford, and its ratings tell two different stories depending on where you look: 4.2 stars across 172 ratings on both Angi and HomeAdvisor, but a 1-star average on Google, where only two reviews are posted. The reviews behind the higher rating are short and consistent rather than dramatic. Several customers, writing between 2022 and 2023, describe water heater replacements done quickly and at a reasonable price, with good communication along the way. One reviewer called the visit prompt and said they'd hire the company again; none of the accounts go into much detail about the job itself, but the recurring theme is speed and follow-through rather than any single standout project. The Google side is thinner and older — a 2018 review and a 2020 review, both brief, both calling the service unprofessional and rude. With only two ratings there, it's hard to say how representative that is, but it sits in real tension with the activity on Angi and HomeAdvisor. Worth noting too: about 1 in 8 of those 172 Angi/HomeAdvisor ratings land at 1 or 2 stars, so the praise isn't universal even where the average is strong. Its Angi and HomeAdvisor profiles don't agree on how long it's been around, either — the company's own about text says over 15 years, while a highlights badge on the same pages claims 36 years of experience. What's actually described here is plumbing work — water heaters, faucets and fixtures, sump pumps — not the HVAC side its listing is filed under; nothing describes heating or cooling system work specifically. For a routine water heater swap or fixture repair, the volume of positive activity on Angi and HomeAdvisor is reassuring; given the Google reviews and the multi-year gap since the two negative ones, it's worth asking for a recent local reference before booking anything larger.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Monteiro Plumbing & Heating. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$290 – $710
Typical plumbing job around $500
He worked very quickly. Replaced my water heater at a reasonable price.
Replaced my water heater. Great communication throughout.
Great service!
Good service, work performed as needed, and very prompt.
It has been a good experience working with them and I will hire them again.
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2 changes recorded — last scanned Sep 9, 2026.
Honest pricing5.0
No hard sell4.8
Owner-led response3.4