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Top-Rated Tankless water heater installers in Mountain-house - Updated Nov 2026

Avatar for Cali Water Heater & HVAC
Cali Water Heater & HVAC
4.8(
32
)
Tankless Water Heater - Install

Serving Mountain-house, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Small jobs welcome

"I got home from work and discovered that my water heater had a major leak that required shutting off the water to the house. Carl at Cali Water Heater responded immediately and less than 24 hours later I had a new water heater installed, water restored, and all at a fair price. Highly recommend!"
Response time6 hrs
Response rate94%
54 neighbors recently requested a quote
Stillman Plumbing Company
4.9(
42
)
Tankless Water Heater - Install

Serving Mountain-house, CA and surrounding areas

Approved

In business since 1985

Free estimates

Credit card accepted

At Stillman Plumbing Company, we are a very well established business providing over 27 years of unmatched expertise. Customer preference and priorities are always first. We are very timely with our work and never lose attention to detail. Call us now for a free quote.

Tankless
Tankless
2 neighbors recently requested a quote
Recommended by92%of homeowners
Pop-N-Go Plumbing and Drains
4.6(
53
)
Tankless Water Heater - Install

Serving Mountain-house, CA and surrounding areas

Approved

In business since 2006

Free estimates

Credit card accepted

High quality plumbing is something that most people never stop to consider. After installation it is easy to forget about the hard work and materials used to create the plumbing infrastructure you enjoy in your home every day. At Pop-N-Go Plumbing and Drains, we have dedicated ourselves to providing the highest quality service possible. It is our mission to quickly handle your plumbing needs, allowing you to enjoy your life without having to worry about the pipes running under your feet. We are a fully licensed, bonded and insured company with over 20 years of plumbing experience serving through out North Bay, South Bay, East Bay Area and The Greater Central Valley CA. We guarantee that you'll be satisfied with our quality service, regardless if it's repair, installation or maintenance. \n

1 neighbors recently requested a quote
Recommended by84%of homeowners
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