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    Average homeowner rating
  • Verified reviews icon91
    Verified water heater services reviews

Top-Rated Water heater pros in Atherton - Updated Nov 2026

Avatar for Water Heater Boys, LLC
Water Heater Boys, LLC
5.0(
21
)
Tankless Water Heater - InstallWater Heater - Install or Replace

Serving Atherton, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2012

Free estimates

Warranties offered

"My tankless water heater went out on a Friday night, and the Water Heater Boys were able to replace it on Saturday the next day! Excellent customer service and professionalism. Will definitely call if in this situation again, and will tell my friends!"
Tankless Install
75gal Bradford White
Response time2 hrs
Response rate100%
Avatar for Payless Water Heaters & Plumbing
Payless Water Heaters & Plumbing
4.2(
132
)
Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessTankless Water Heater - Repair+5 more

Serving Atherton, CA and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Did a $59 consult only. Turned out the cost of repairing the old heater was almost as much as a new one, so we got a new one, and handled the install ourselves. Luis B was great, knowledgeable, friendly, didn't try to upcharge just to sell a heater, which we appreciated. Gave us an honest evaluation, several options, and was right on time. I will say, though, that the company failed to call me when he was on his way... not a big deal. All in all a good experience."
New Tankless Water Heater Installation
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+19

Response time8 hrs
Response rate100%
Recommended by73%of homeowners
Avatar for Albert Nahman Plumbing, Heating, and Cooling
Albert Nahman Plumbing, Heating, and Cooling
4.4(
722
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Atherton, CA and surrounding areas

Approved (Corporate)

In business since 1981

Free estimates

Warranties offered

"This is the third time I have used Albert Nahman. This time was for a water leak with an unclear origin. They did a great job diagnosing the problem and took the time to explain what they found and offer options on potential fixes. I really appreciate the care their plumber took in tracking down the problem and providing a realistic quote for the cost and time to fix the problem. They also arrive on time and do a great job cleaning up after the work is done. A+++ company. Will definitely use them again the in future."
Living room Mini-Split
Aquasana home Filtration
Almost no disturbance at EBMUD meter
Navien with filtration to protect the heat exchanger
New house valve and Pressure Reducing Valve

+73

Response time8 hrs
Response rate100%
44 neighbors recently requested a quote
Avatar for Durrani Plumbing
Durrani Plumbing
4.9(
15
)
Water Heater - Install or ReplaceWater Heater - Repair or Service

Serving Atherton, CA and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"He was very professional, on time and very detailed. He replaced my water heater and upgrade the install and made sure the work was within code. I would hire him again for any plumbing services in the future and would highly recommend him."
American Standard Faucet
Insinkerator Garbage Disposal
Bradford White Water Heater
Bradford White Water Heater
75 Gallon Water Heaters

+9

Response time3 hrs
Response rate96%
Recommended by100%of homeowners
Avatar for In & Out Plumbing & Construction Inc
In & Out Plumbing & Construction Inc
4.2(
79
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Atherton, CA and surrounding areas

Approved

In business since 1998

Free estimates

Emergency services offered

"In & Out is fast and professional.   They bid our job in the morning, and were back that afternoon with new toilet tank flushing devices and had all four of them installed in our bathroom the same day.   They took away the old parts and the boxes the new parts came in.   They are knowledgeable, punctual and tidy.   Should we have any plumbing problems, I would call them right away!"
San Francisco Sewer Line
Floor Drain
San Francisco Sewer Line
Floor Drain
San Francisco Sewer Line

+27

Response time1 day
Response rate99%
12 neighbors recently requested a quote
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Water Heaters FAQs, answered by experts

Often, the first issue you might encounter is a lack or loss of power—this could be caused by a tripped switch or a failed heating element. If your hot water is not producing enough power and its size is not the issue, you might need to replace one of its heating elements. A leaking water heater could be caused by tank erosion.

Unusual noises, lack of hot water supply, efficiency loss, and visible leaks are signs of necessary replacement beyond mere repair.

Signs your electric water heater is failing include inconsistent water temperature, reduced hot water supply, longer heating times, or discolored water (rusty or cloudy). Unusual noises like popping or rumbling suggest sediment buildup, while leaks or corrosion around the tank signal structural damage. If your unit is over 10 to 15 years old and experiencing frequent issues, it may be time to replace it.

The right way to vent a gas water heater is to have a pipe directly upward or slopes upward out of the house. Because hot air naturally rises, this type of venting will efficiently ensure that all gas moves out of the house. Your system may rely on fans or blowers as well.

If you want instant hot water and to reduce water waste while improving convenience, a hot water recirculating system is worth it, especially if you find your hot water heater is not hot enough. These systems can save thousands of gallons of water each year so you don't have to wait for hot water at faucets and showers. The upfront investment can be high, especially for systems requiring additional plumbing, but the long-term savings on water bills and added comfort make them a worthwhile upgrade.

The Atherton, CA homeowners’ guide to water heater services

From average costs to expert advice, get all the answers you need to get your job done.