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Top-Rated Tankless water heater installers in El Sobrante - Updated Nov 2026

Avatar for Water Heaters Masters
Water Heaters Masters
4.9(
112
)
Tankless Water Heater - Install

Serving El Sobrante, CA and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"Water Heater Masters were top-notch! I called on a Saturday afternoon - they were available 9am Sunday morning to come and inspect and quote. They only had one guy working that day, but scheduled me for Monday morning between 8 and 9. At 8:15am I got a call with an ETA of 8:45, which was a really nice touch! Despite telling me it would take an entire day to install, they were done by 1pm. They also found some creative ways to do the install to avoid drilling through my stucco (for the exhaust vent and for the condensate run-off). Very professional and clean-looking install. These guys may not always be the cheapest around, and they recommended a top-of-the-line heater (which is what I really wanted anyway), but I'd much rather pay a little extra for that level of service and support. Thank you!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+20

Response time9 hrs
Recommended by94%of homeowners
Avatar for Tankless Plumbing Solutions
Tankless Plumbing Solutions
4.9(
34
)
Tankless Water Heater - Install

Serving El Sobrante, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Emergency services offered

"I called and they were here working 48 hours to install and haul away a tankless water heater. They did finishing work and completed it to my high standards. They communicated very well as I was uneducated in this area. I highly recommend them."
Rinnai
Rinnai
Rinnai
Rinnai
Rinnai

+10

Response time4 hrs
Response rate97%
6 neighbors recently requested a quote
Avatar for All Water Heaters & Plumbing LLC
All Water Heaters & Plumbing LLC
4.4(
204
)
Tankless Water Heater - Install

Serving El Sobrante, CA and surrounding areas

Approved

Super Service Award Winner

In business since 1997

Free estimates

Emergency services offered

"They showed up on time. They replaced and installed a new tankless water heater unit. David and his staff are very friendly. We are happy of our newly installed unit. It turned out great!"
Noritz Tankless
Noritz Tankless
Noritz Tankless
Rinnai Tankless
Rinnai Tankless

+20

Response time7 hrs
Response rate87%
166 neighbors recently requested a quote
Avatar for Cali Water Heater & HVAC
Cali Water Heater & HVAC
4.8(
33
)
Tankless Water Heater - Install

Serving El Sobrante, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Small jobs welcome

"Cali Water Heaters & HVAC were terrific. Mr. Fuller was easy to work with and did a great job installing our new water heater. The price was fair and the whole job was done very quickly. I would definitely recommend Cali Water Heaters & HVAC."
Response time6 hrs
Response rate94%
57 neighbors recently requested a quote
Avatar for Albert Nahman Plumbing, Heating, and Cooling
Albert Nahman Plumbing, Heating, and Cooling
4.4(
722
)
Tankless Water Heater - Install

Serving El Sobrante, CA and surrounding areas

Approved (Corporate)

In business since 1981

Free estimates

Warranties offered

"The first visit lead to cleaning the area around the heater and burners and checking the thermocouple. Sadly that seemed to make it worse. Less than a week later No hot water for over 30 hours till the second technician replaced the thermocouple. All is perfect now. No charge for the second visit. The next step, if needed will be a tankless and their quote looks a bit steep. But I am really hoping I won’t need to go that far."
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 H K & S Plumbing Co.
H K & S Plumbing Co.
4.3(
96
)
Tankless Water Heater - Install

Serving El Sobrante, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2000

Free estimates

Emergency services offered

"I highly recommend this company!!! He responded within minutes of my searching for a plumber. He came the next day and installed a new tankless water heater. He also found a faulty electrical outlet and repaired it as well. Quality workmanship. I will keep his number. His name was Harry."
H K & S Plumbing Co.
Response time11 hrs
28 neighbors recently requested a quote
Recommended by73%of homeowners
Avatar for Beastbay Plumbing
Beastbay Plumbing
4.5(
226
)
Tankless Water Heater - Install

Serving El Sobrante, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2017

Free estimates

Emergency services offered

"The plumber showed up within an hour of my request. He thoroughly inspected my tankless water heater and discovered the issue quickly. Problem solved. I would definitely hire the personable and efficient plumber again."
Tankless Water Heater
Tankless water heater
Tankless and Water Filtration
Noritz Tankless
tub/shower enclosure

+22

Response time6 hrs
Response rate91%
274 neighbors recently requested a quote
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