Top-rated tankless water heater repair pros.

Get matched with top tankless water heater repair pros in Guasti, 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 Guasti

Avatar for Cruz Plumbing and Rooter Services

Cruz Plumbing and Rooter Services

4.92(
13
)
Approved Pro

Cruz Plumbing and Rooter Services

4.92(
13
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
24 years of experience

Cruz Plumbing and Rooter Services began our business with the main focus on Customer Service. It is our goal to treat every client as family. We will answer each question, giving you the confidence in our services, repairs and pricing. Our pride is to provide our customers with the information for them to be able to make informed, educated decisions when it comes to their plumbing service needs. Our team has been highly trained in all jobs, large or small, and is in contact with myself to ensure the job is completed to the stated specifics. We thank you for selecting Cruz Plumbing and Rooter Services. We appreciate your call to give us the opportunity to provide you with the best services and pricing available. Christian Cruz

"Very Professional and knowledgeable with plumbing. Mr Cruz provided quick service and understood why we wanted this project done quickly to facilitate my mother's handicap situation. Hoping to give him more business in the future. Thank You"

Kaizad A on June 2022

Cruz Plumbing and Rooter Services began our business with the main focus on Customer Service. It is our goal to treat every client as family. We will answer each question, giving you the confidence in our services, repairs and pricing. Our pride is to provide our customers with the information for them to be able to make informed, educated decisions when it comes to their plumbing service needs. Our team has been highly trained in all jobs, large or small, and is in contact with myself to ensure the job is completed to the stated specifics. We thank you for selecting Cruz Plumbing and Rooter Services. We appreciate your call to give us the opportunity to provide you with the best services and pricing available. Christian Cruz

"Very Professional and knowledgeable with plumbing. Mr Cruz provided quick service and understood why we wanted this project done quickly to facilitate my mother's handicap situation. Hoping to give him more business in the future. Thank You"

Kaizad A on June 2022


Avatar for Rapid Rescue Rooter & Plumbing

Rapid Rescue Rooter & Plumbing

5.00(
17
)
Approved Pro

Rapid Rescue Rooter & Plumbing

5.00(
17
)
Approved Pro
Super Service Award
Customers say: Quick response
2 years of experience
Free onsite estimate

Rapid Rescue Rooter & Plumbing, Inc. proudly serves our customers with pride, integrity, and attention to the details that matter most to you. So, why choose Rapid Rescue Rooter? That’s easy!! We have unmatched client service along with 21 years of plumbing and drain service experience. Let us earn your business, you’ll be a client for life. From basic drain cleaning, to complex system installation we have the solution to any plumbing problems you will encounter. While ensuring client confidence with any project through our client care process. Our goal is to provide permanent solutions so you won’t ever have to call us back for today’s plumbing problem, while ensuring through great customer service you call us for any future plumbing needs.

"A complete assessment was made and I was given options for the scope of work. The guys were helpful, tidy, and professional. I would definitely hire them again. "

Hugo N on July 2025

Rapid Rescue Rooter & Plumbing, Inc. proudly serves our customers with pride, integrity, and attention to the details that matter most to you. So, why choose Rapid Rescue Rooter? That’s easy!! We have unmatched client service along with 21 years of plumbing and drain service experience. Let us earn your business, you’ll be a client for life. From basic drain cleaning, to complex system installation we have the solution to any plumbing problems you will encounter. While ensuring client confidence with any project through our client care process. Our goal is to provide permanent solutions so you won’t ever have to call us back for today’s plumbing problem, while ensuring through great customer service you call us for any future plumbing needs.

"A complete assessment was made and I was given options for the scope of work. The guys were helpful, tidy, and professional. I would definitely hire them again. "

Hugo N on July 2025


Avatar for Rooter Warrior Plumbing & Drain Cleaning - Home  Facebook

Rooter Warrior Plumbing & Drain Cleaning - Home Facebook

5.00(
1
)
Approved Pro

Rooter Warrior Plumbing & Drain Cleaning - Home Facebook

5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
8 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! Book with us online, or feel free to give us a call today!

"Very helpful but not pushy about parts made me feel very comfortable."

Alax M on November 2018

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! Book with us online, or feel free to give us a call today!

"Very helpful but not pushy about parts made me feel very comfortable."

Alax M on November 2018


Avatar for Thompson Family Plumbing and Drain

Thompson Family Plumbing and Drain

5.00(
5
)
Approved Pro

Thompson Family Plumbing and Drain

5.00(
5
)
Approved Pro
7 years of experience
Emergency services offered

Thompson Family Plumbing and Drain, is a family-owned and operated business that takes pride in honest, dependable service. We believe in doing the job right the first time, treating every customer with fairness, respect, and integrity. Our hands-on experience and knowledge of the trade allow us to provide quality workmanship you can trust. As a family business, we look out for our customers’ best interests and make their concerns our top priority, because when you invite us into your home, you become part of the Thompson family.

Thompson Family Plumbing and Drain, is a family-owned and operated business that takes pride in honest, dependable service. We believe in doing the job right the first time, treating every customer with fairness, respect, and integrity. Our hands-on experience and knowledge of the trade allow us to provide quality workmanship you can trust. As a family business, we look out for our customers’ best interests and make their concerns our top priority, because when you invite us into your home, you become part of the Thompson family.


Avatar for Dial One Sonshine

Dial One Sonshine

4.34(
61
)
Approved Pro

Dial One Sonshine

4.34(
61
)
Approved Pro
Customers say: Super punctual
267 local quotes requested
45 years of experience

Dial One Sonshine has been family owned and operated since it was founded in 1981. From a home plumbing business, it has grown and expanded, adding HVAC services. Through these changes we never lost sight of what is most important, our customers. We strive to make your customer service experience exceptional, while providing services in a variety of fields. Our customers don’t need to use multiple companies to services their home. Call us today and learn for yourself why we will quickly become your go-to company for all your plumbing and HVAC needs!

"They did excellent"

Bailey M on December 2025

Dial One Sonshine has been family owned and operated since it was founded in 1981. From a home plumbing business, it has grown and expanded, adding HVAC services. Through these changes we never lost sight of what is most important, our customers. We strive to make your customer service experience exceptional, while providing services in a variety of fields. Our customers don’t need to use multiple companies to services their home. Call us today and learn for yourself why we will quickly become your go-to company for all your plumbing and HVAC needs!

"They did excellent"

Bailey M on December 2025


Avatar for Alpine Plumbing, Heating, and Air

Alpine Plumbing, Heating, and Air

4.71(
28
)
Approved Pro

Alpine Plumbing, Heating, and Air

4.71(
28
)
Approved Pro
Super Service Award
Customers say: Quick response
37 local quotes requested
12 years of experience

Need fast, reliable plumbing help? Alpine Plumbing & Rooter serves residents and business owners throughout San Dimas, La Verne, and surrounding areas with expert services. Call the plumbers you can trust when you’re faced with a problem you need fixed right away. We have the fastest response time in the area - we’ll be at your door within 90 minutes! We put our customers first - one call can solve your home plumbing issues. We are a local, family owned and operated company based in San Dimas, specializing in drain cleaning, sewer replacement, and sewer repair services. Call the plumbers you can trust to schedule an appointment today.

"Mike came out and helped us with our plumbing issue, great service!"

Noah R on September 2025

Need fast, reliable plumbing help? Alpine Plumbing & Rooter serves residents and business owners throughout San Dimas, La Verne, and surrounding areas with expert services. Call the plumbers you can trust when you’re faced with a problem you need fixed right away. We have the fastest response time in the area - we’ll be at your door within 90 minutes! We put our customers first - one call can solve your home plumbing issues. We are a local, family owned and operated company based in San Dimas, specializing in drain cleaning, sewer replacement, and sewer repair services. Call the plumbers you can trust to schedule an appointment today.

"Mike came out and helped us with our plumbing issue, great service!"

Noah R on September 2025



Avatar for Apex Plumbing Incorporated

Apex Plumbing Incorporated

5.00(
13
)
Approved Pro

Apex Plumbing Incorporated

5.00(
13
)
Approved Pro
Customers say: Quick response
20 local quotes requested
6 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! Book with us online or feel free to give us a call today!

"We thought Gus did a great job. Just referred him to our friend and she was very happy too."

Robin M on September 2025

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! Book with us online or feel free to give us a call today!

"We thought Gus did a great job. Just referred him to our friend and she was very happy too."

Robin M on September 2025


Avatar for Ace Pelizon Plumbing, Heating & Cooling

Ace Pelizon Plumbing, Heating & Cooling

4.81(
36
)
Approved Pro

Ace Pelizon Plumbing, Heating & Cooling

4.81(
36
)
Approved Pro
Customers say: True professional
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
45 local quotes requested

We have 250+ 4.8 star Google Reviews and are proud to be one of the highest rated plumbing companies in San Gabriel Valley. Ace Pelizon Plumbing offers a full range of residential and commercial plumbing services across San Gabriel Valley. With over 80 years of experience, we have earned an excellent reputation among our customers and are more than happy to prove this to you through our comprehensive plumbing solutions. Whether you are in need of simple repairs or complex installation services, Ace Pelizon Plumbing can help. We take pride in our team of highly skilled plumbers that have gone through rigorous training programs as well as, background and drug screening tests for your peace of mind. When you need the highest level of service possible, you can count on us!

"Ace Pelizon is my go to company for plumbing needs done correctly. Jeremy was polite, knowledgeable, and went right to work to fix a leak. The coupon was a bonus to help with the cost. The company was quick to contact me and schedule an appointment."

Mary T on December 2025

We have 250+ 4.8 star Google Reviews and are proud to be one of the highest rated plumbing companies in San Gabriel Valley. Ace Pelizon Plumbing offers a full range of residential and commercial plumbing services across San Gabriel Valley. With over 80 years of experience, we have earned an excellent reputation among our customers and are more than happy to prove this to you through our comprehensive plumbing solutions. Whether you are in need of simple repairs or complex installation services, Ace Pelizon Plumbing can help. We take pride in our team of highly skilled plumbers that have gone through rigorous training programs as well as, background and drug screening tests for your peace of mind. When you need the highest level of service possible, you can count on us!

"Ace Pelizon is my go to company for plumbing needs done correctly. Jeremy was polite, knowledgeable, and went right to work to fix a leak. The coupon was a bonus to help with the cost. The company was quick to contact me and schedule an appointment."

Mary T on December 2025


Avatar for Rapid Rescue Rooter & Plumbing

Rapid Rescue Rooter & Plumbing

5.00(
10
)
Approved Pro

Rapid Rescue Rooter & Plumbing

5.00(
10
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
30 local quotes requested

Here at Rapid Rescue Rooter & Plumbing we prioritize serving our customers with pride, integrity, and attention to the details that matter most to you. So, why choose Rapid Rescue Rooter? That?s easy!! We have unmatched client service along with 21 years of plumbing and drain service experience. Let us earn your business, you?ll be a client for life. Call now for assistance with any plumbing or drain problems,

"Wesley was extremely responsive. He made all efforts allowing us to continue doing our business at home while he was assessing the problem, assembling his crews, and obtaining a City permit. We were well informed of the progress. His crew did an excellent and clean job, working long hours getting the job done. Including excavated to a depth of 10 feet, patched up our concrete driveway and patched up the AC roadway nicely. Wesley even found time to replace our kitchen faucet and under drain without extra charge. Don’t believe he would be the cheapest initial estimate you would get. We would definitely ask him for all future plumbing needs."

Ferdy C on February 2025

Here at Rapid Rescue Rooter & Plumbing we prioritize serving our customers with pride, integrity, and attention to the details that matter most to you. So, why choose Rapid Rescue Rooter? That?s easy!! We have unmatched client service along with 21 years of plumbing and drain service experience. Let us earn your business, you?ll be a client for life. Call now for assistance with any plumbing or drain problems,

"Wesley was extremely responsive. He made all efforts allowing us to continue doing our business at home while he was assessing the problem, assembling his crews, and obtaining a City permit. We were well informed of the progress. His crew did an excellent and clean job, working long hours getting the job done. Including excavated to a depth of 10 feet, patched up our concrete driveway and patched up the AC roadway nicely. Wesley even found time to replace our kitchen faucet and under drain without extra charge. Don’t believe he would be the cheapest initial estimate you would get. We would definitely ask him for all future plumbing needs."

Ferdy C on February 2025

...
Showing 1-10 of 1015