Top-rated tankless water heater repair pros.

Get matched with top tankless water heater repair pros in Walnut Creek, CA

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Tankless water heater repair pros in Walnut Creek

Pedro Galvan Plumbing, Inc.

4.85(
17
)
Approved Pro

Pedro Galvan Plumbing, Inc.

4.85(
17
)
Approved Pro
Customers say: Quality work
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
22 years of experience

Pedro Galvan Ramirez Plumbing, Inc., is the premier plumbing contractor in the Richmond Area. We finish every job to the customer's standards. Call today for a free quote!

"We are incredibly grateful to Pedro Galvan and his team for stepping in during a moment of urgent need. When our hot water system suddenly failed, leaving us without hot water for daily essentials, Pedro responded with a level of professionalism, clarity, and compassion that is truly rare. From the very first call, Pedro was attentive, transparent about pricing, and committed to solving the problem quickly. He provided us with the most cost-effective and honest quote out of several we obtained—and, even more importantly, was able to come almost immediately when others could not. His workmanship was precise, efficient, and tidy. It was clear we were in the hands of someone who genuinely takes pride in his craft. In a world where so many service professionals overpromise and underdeliver, Pedro Galvan delivers exactly what he promises—and does so with warmth, integrity, and a deep respect for his clients. We recommend him without hesitation to anyone needing plumbing services."

nicola s on July 2025

Pedro Galvan Ramirez Plumbing, Inc., is the premier plumbing contractor in the Richmond Area. We finish every job to the customer's standards. Call today for a free quote!

"We are incredibly grateful to Pedro Galvan and his team for stepping in during a moment of urgent need. When our hot water system suddenly failed, leaving us without hot water for daily essentials, Pedro responded with a level of professionalism, clarity, and compassion that is truly rare. From the very first call, Pedro was attentive, transparent about pricing, and committed to solving the problem quickly. He provided us with the most cost-effective and honest quote out of several we obtained—and, even more importantly, was able to come almost immediately when others could not. His workmanship was precise, efficient, and tidy. It was clear we were in the hands of someone who genuinely takes pride in his craft. In a world where so many service professionals overpromise and underdeliver, Pedro Galvan delivers exactly what he promises—and does so with warmth, integrity, and a deep respect for his clients. We recommend him without hesitation to anyone needing plumbing services."

nicola s on July 2025


Israa Plumbing

5.00(
15
)
Approved Pro

Israa Plumbing

5.00(
15
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
5 years of experience

At Israa Plumbing, our company is based on the belief that our customers' needs are of the utmost importance. Our team is committed to meeting those needs. We welcome the opportunity to earn your trust and deliver you the best service. No job is too big or too small for our experienced team. Call today for a quote.

"Professional, reliable, and at a fair cost. They have come out and help me more than once. This is my go-to company for all plumbing related issues."

Benjamin F on October 2022

At Israa Plumbing, our company is based on the belief that our customers' needs are of the utmost importance. Our team is committed to meeting those needs. We welcome the opportunity to earn your trust and deliver you the best service. No job is too big or too small for our experienced team. Call today for a quote.

"Professional, reliable, and at a fair cost. They have come out and help me more than once. This is my go-to company for all plumbing related issues."

Benjamin F on October 2022


Avatar for R Plumbing Companies, Inc.

R Plumbing Companies, Inc.

5.00(
3
)
Approved Pro

R Plumbing Companies, Inc.

5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
4 years of experience

We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the baasis of our business

"Helped me right away. Did not have to wait all day."

Julie H on September 2023

We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the baasis of our business

"Helped me right away. Did not have to wait all day."

Julie H on September 2023


Avatar for Prime Time Plumbing

Prime Time Plumbing

5.00(
3
)
Approved Pro

Prime Time Plumbing

5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
3 years of experience

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"I had a great experience with them. They did a tankless water heater for a fair price and helped install new water lines for my espresso machine in my cafe. Would recommend to anyone who needs the job done right!"

Alex H on October 2023

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"I had a great experience with them. They did a tankless water heater for a fair price and helped install new water lines for my espresso machine in my cafe. Would recommend to anyone who needs the job done right!"

Alex H on October 2023


Avatar for Oak Plumbing

Oak Plumbing

4.63(
471
)
Approved Pro

Oak Plumbing

4.63(
471
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
24 local quotes requested

Oak Plumbing is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business. Our customer's safety is extremely important, which is why all of our technicians are fully trained, background checked, and drug tested.

"Expensive but thorough. There was a minor scheduling issue that was quickly resolved, and the job was completed VERY quickly. "

Roger F on January 2026

Oak Plumbing is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business. Our customer's safety is extremely important, which is why all of our technicians are fully trained, background checked, and drug tested.

"Expensive but thorough. There was a minor scheduling issue that was quickly resolved, and the job was completed VERY quickly. "

Roger F on January 2026


Avatar for Valley Plumbing Home Center, Inc

Valley Plumbing Home Center, Inc

4.76(
242
)
Approved Pro

Valley Plumbing Home Center, Inc

4.76(
242
)
Approved Pro
Super Service Award
Customers say: Super punctual
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
44 years of experience

Valley Plumbing Home Center is a licensed, insured and bonded company that has been servicing the Tri-Valley area for over 30 years. Established in 1982, we have grown from a family-owned business to a corporation with the same family feeling. Our company's motto "Integrity Before Profit", leads us in hiring people that care about their work and finished work performance. We service the complete Tri-Valley area for homeowners, property managers, insurance adjusters and commercial businesses. Our Plumbing technicians, showroom & office personnel has a total of 17+ employees. Additional email-showroom@valleyplumbinginc.com Award winning.

"Fabulous service from start to finish. The office team, the communication and getting the job done quickly. Upfront about timing and costs. I really enjoyed the text and email with Carl's picture and bio. Carl was clearly experienced, knowledgeable and professional. I hope to hire him when we do the remodel of our 1960s bathroom in the coming year!"

Allison L on December 2025

Valley Plumbing Home Center is a licensed, insured and bonded company that has been servicing the Tri-Valley area for over 30 years. Established in 1982, we have grown from a family-owned business to a corporation with the same family feeling. Our company's motto "Integrity Before Profit", leads us in hiring people that care about their work and finished work performance. We service the complete Tri-Valley area for homeowners, property managers, insurance adjusters and commercial businesses. Our Plumbing technicians, showroom & office personnel has a total of 17+ employees. Additional email-showroom@valleyplumbinginc.com Award winning.

"Fabulous service from start to finish. The office team, the communication and getting the job done quickly. Upfront about timing and costs. I really enjoyed the text and email with Carl's picture and bio. Carl was clearly experienced, knowledgeable and professional. I hope to hire him when we do the remodel of our 1960s bathroom in the coming year!"

Allison L on December 2025


Avatar for Gray Plumbing, Inc.

Gray Plumbing, Inc.

4.25(
6
)
Approved Pro

Gray Plumbing, Inc.

4.25(
6
)
Approved Pro
Customers say: Quick response
60 local quotes requested
10 years of experience

We take great pride in our experience, expertise, and quality of the customer service we provide to meet our consumers needs. It is our mission to provide excellent workmanship, and customer satisfaction, from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job

"they didn't respond after the repair was left broken, they didn't offer weekend service would not recommend them"

Sherman L on October 2025

We take great pride in our experience, expertise, and quality of the customer service we provide to meet our consumers needs. It is our mission to provide excellent workmanship, and customer satisfaction, from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job

"they didn't respond after the repair was left broken, they didn't offer weekend service would not recommend them"

Sherman L on October 2025


Avatar for Beastbay Plumbing

Beastbay Plumbing

4.66(
189
)
Approved Pro

Beastbay Plumbing

4.66(
189
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
91 local quotes requested

Welcome to Beastbay Plumbing! We are committed to exceeding your expectations. We specialize in all plumbing needs. Whether its a regular or On Demand water heater, water filtration or water/drain re-pipe we can handle the job. We will always give you more that one option and guarantee customer satisfaction. We take pride in diagnosing problems and offering solutions that fit your needs. You can book appointment here (highlight, copy and paste link): https://bit.ly/3SxIfar

"Good experience "

Leiloni M on December 2025

Welcome to Beastbay Plumbing! We are committed to exceeding your expectations. We specialize in all plumbing needs. Whether its a regular or On Demand water heater, water filtration or water/drain re-pipe we can handle the job. We will always give you more that one option and guarantee customer satisfaction. We take pride in diagnosing problems and offering solutions that fit your needs. You can book appointment here (highlight, copy and paste link): https://bit.ly/3SxIfar

"Good experience "

Leiloni M on December 2025


Avatar for Pinnacle Plumbing, Inc.

Pinnacle Plumbing, Inc.

5.00(
14
)
Approved Pro

Pinnacle Plumbing, Inc.

5.00(
14
)
Approved Pro
Super Service Award
1 years of experience
Free onsite estimate

We take great pride in our experience, expertise, quality and customer service that we provide to meet every consumer's needs. It is our mission to provide excellent customer service from start to completion of a project. To understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a personal and professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

"Good price. Efficient. "

Ruby N on November 2025

We take great pride in our experience, expertise, quality and customer service that we provide to meet every consumer's needs. It is our mission to provide excellent customer service from start to completion of a project. To understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a personal and professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

"Good price. Efficient. "

Ruby N on November 2025


Avatar for Payless Water Heaters & Plumbing Inc

Payless Water Heaters & Plumbing Inc

4.44(
113
)
Approved Pro

Payless Water Heaters & Plumbing Inc

4.44(
113
)
Approved Pro
Customers say: Super punctual
22 years of experience
Free onsite estimate

Payless Water Heaters provides Same day water heater Installation & Repair services. We also can install a New Tankless Water Heater the same day. We understand how important hot water is to your daily routine - Our team has over 30 years of combined industry-leading experience, which gives us greater insight into locating root problems and providing customized solutions. Unlike some technicians, we carefully survey the unit before starting any repairs. This allows us to accurately address the issue and create lasting solutions. As a Family owned and Locally operated business, we have deep roots in the community. Our mission is simple - provide the ultimate customer experience. This means always being on time, being professional, and being available, With upfront, honest pricing, and no extra charge for nights or weekends - If you're ready to get started, call (888)461-8249 if you need some help.

"They were able to provide service the next day, the price was very reasonable and they were reliable, efficient and on time. "

Jaclyn K on January 2026

Payless Water Heaters provides Same day water heater Installation & Repair services. We also can install a New Tankless Water Heater the same day. We understand how important hot water is to your daily routine - Our team has over 30 years of combined industry-leading experience, which gives us greater insight into locating root problems and providing customized solutions. Unlike some technicians, we carefully survey the unit before starting any repairs. This allows us to accurately address the issue and create lasting solutions. As a Family owned and Locally operated business, we have deep roots in the community. Our mission is simple - provide the ultimate customer experience. This means always being on time, being professional, and being available, With upfront, honest pricing, and no extra charge for nights or weekends - If you're ready to get started, call (888)461-8249 if you need some help.

"They were able to provide service the next day, the price was very reasonable and they were reliable, efficient and on time. "

Jaclyn K on January 2026

...
Showing 1-10 of 1020