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Water Heater Genies is a Malden plumbing company, and its website says water heater installation and repair is its specialty, with drain, heating and septic work alongside. The company says it has been in business 15 years and is locally owned and operated. On Google it holds 4.8 stars from 22 ratings. In an October 2023 review, a customer with three properties wrote that Marcus had been their plumber for five years and had done at least 10 water heaters for them, going out the same day when their water heaters leaked. In a September 2023 review, a customer wrote that the plumber came out the same day their storage water heater started leaking; they chose a tankless unit instead, and it was done the next morning. An October 2023 reviewer with a leaking water heater wrote that the plumber came out at 8pm so they would have hot water. In another October 2023 review, a Boston customer wrote that the plumber installed their water heater the same day it went out. That customer also wrote that he repaired a leaking drain pipe under their kitchen sink. Heating work appears as well. In an October 2023 review, a customer wrote that Marcus installed a combi boiler for their hot water and heating, explained how the system works and its basic yearly maintenance, and gave a 5-year warranty where other companies that quoted offered 1 and 2 years. A November 2023 reviewer wrote that the plumber replaced their water heater and serviced their boiler. In a September 2023 review, a customer replacing a 12-year-old gas water heater wrote that the plumber gave the best price against two other plumbers, did the job the next day, and came from Malden to Boston for it. In May 2026, a 1-star Google reviewer wrote that the phone number on the Google Maps listing asks callers for a zip code and connects them with a different company each time, and that one of those companies scheduled a time and did not show up.
Looks like this business has been sold or something to a data broker. The phone number attached to the Google maps listing asks for your zip code when you call, and connects you with a different company each time. One such company scheduled time with me and did not show up. Save your time, don't bother with this listing anymore.
Very young nice plumber, knows a lot for his age, did a very near job with new shiny pipes. My new water heater looks great!
Installed a new water heater for me in less than 2 hours, was very clean and polite and explained how I can take good care of it. Great service
Great plumber, replaced my water heater and serviced my boiler, great quality and work ethic.
Phenomenal job! Came in & changed my water heater & it’s a game changer! Highly recommend
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1 change recorded — last scanned Sep 8, 2026.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Water Heater Genies. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$5,000 – $11,400
Typical HVAC project around $8,200
Heat pump installs4.9
Complex old-house repairs4.9
Wine cellar and Liebert cooling4.6
142 projects, family-run since 19813.0