Get matched with top water heater installers and replacers in your area
Enter your zip and get matched with up to 3 pros
Matching on HomeAdvisor
Water heater installers and replacers in Castaic
Residential & Commercial Plumbing Licensed, bonded & insured 10+ years of experience Why should you choose to work with us? - Client-first philosophy: Placing client needs above all else, fostering lasting relationships. - Transparent expertise: Educating clients while delivering honest, exceptional work with quality materials. - Integrity-driven excellence: Delivering exceptional results with honesty and quality craftsmanship. I look forward to teaming up and delivering an exceptional service and effortless experience for you. Have questions? Need advice? Feel free to contact us for expert support. Call (818)399-5973 | Email Emergencyplumbingresource@gmail.com View our work on Instagram @emergencyplumbingresource
"Very happy with the promptness and job completion. I have already recommended to others and the experience has been the same, A+."
Jordan J on December 2024
Residential & Commercial Plumbing Licensed, bonded & insured 10+ years of experience Why should you choose to work with us? - Client-first philosophy: Placing client needs above all else, fostering lasting relationships. - Transparent expertise: Educating clients while delivering honest, exceptional work with quality materials. - Integrity-driven excellence: Delivering exceptional results with honesty and quality craftsmanship. I look forward to teaming up and delivering an exceptional service and effortless experience for you. Have questions? Need advice? Feel free to contact us for expert support. Call (818)399-5973 | Email Emergencyplumbingresource@gmail.com View our work on Instagram @emergencyplumbingresource
"Very happy with the promptness and job completion. I have already recommended to others and the experience has been the same, A+."
Jordan J on December 2024
At West Coast Plumbing, we pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all the work we perform. We are experts, and will always keep you educated about the work process. We look forward to earning your business!
"We used West coast plumbing to help with a leak we had in the house. They did an exceptional job. They were very prompt and informative about the issue and the work that needed to be performed. We will be calling them for any future needs."
Lucy C on September 2023
At West Coast Plumbing, we pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all the work we perform. We are experts, and will always keep you educated about the work process. We look forward to earning your business!
"We used West coast plumbing to help with a leak we had in the house. They did an exceptional job. They were very prompt and informative about the issue and the work that needed to be performed. We will be calling them for any future needs."
Lucy C on September 2023
Welcome to Sav-On Plumbing & Rooter. We proudly provide the highest quality of service and craftsmanship to each and every aspect of your project. Our depth of knowledge and experience solidify our belief that customer service stands as the top priority. We eagerly look forward to working with you to bring your vision to reality. Give us a call today and let us get started!
"Extremely polite and professional, was at our house within 1 hour from our initial call. Covered his feet, cleaned up after his work, was very efficient in his work. Pricing was fair and completed the work as agreed, did not try to upsell or add to his initial quote."
Ron C on April 2018
Welcome to Sav-On Plumbing & Rooter. We proudly provide the highest quality of service and craftsmanship to each and every aspect of your project. Our depth of knowledge and experience solidify our belief that customer service stands as the top priority. We eagerly look forward to working with you to bring your vision to reality. Give us a call today and let us get started!
"Extremely polite and professional, was at our house within 1 hour from our initial call. Covered his feet, cleaned up after his work, was very efficient in his work. Pricing was fair and completed the work as agreed, did not try to upsell or add to his initial quote."
Ron C on April 2018
Art the Plumber is a leader providing our customers with the highest quality products and craftsmanship in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations.
Art the Plumber is a leader providing our customers with the highest quality products and craftsmanship in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations.
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 basis of our business.
"I had a bad leak in the garden faucet in front of my house, and Ortega?s Plumbing Solutions did a great job fixing it. They were on time, professional, and got the job done quickly. The leak is completely gone now, and everything works perfectly. Best of all, the price was very reasonable. I really appreciate their work and would definitely recommend them to anyone needing plumbing help!"
Dulce D on June 2025
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 basis of our business.
"I had a bad leak in the garden faucet in front of my house, and Ortega?s Plumbing Solutions did a great job fixing it. They were on time, professional, and got the job done quickly. The leak is completely gone now, and everything works perfectly. Best of all, the price was very reasonable. I really appreciate their work and would definitely recommend them to anyone needing plumbing help!"
Dulce D on June 2025
Overland Plumbing is your local plumbing installation and repair company. We specialize in residential plumbing services for both new and old homes. We look forward to helping you. Call us today.
"n/a"
Rachel S on May 2025
Overland Plumbing is your local plumbing installation and repair company. We specialize in residential plumbing services for both new and old homes. We look forward to helping you. Call us today.
"n/a"
Rachel S on May 2025
We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers needs. It is our mission to provide excellent workmanship and complete 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. Call us today.
"Outstanding Service and Professionalism! We recently had a major issue with our main water line and called HighEnd Plumbing Services based on a recommendation—and we couldn’t be happier with the results. From the first phone call to the final inspection, their team was responsive, transparent, and incredibly professional. They diagnosed the problem quickly and clearly explained the scope of work and pricing upfront. The repair was no small job, but they completed it efficiently and with great attention to detail. The crew was respectful of our property and cleaned up thoroughly after the work was done. The total cost was $6,450, and considering the quality of work, the speed of service, and the peace of mind it gave us, it was absolutely worth it. We feel confident that the repair was done right the first time. Highly recommend HighEnd Plumbing for anyone needing plumbing services—especially for major repairs like this one!"
Jenna B on May 2025
We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers needs. It is our mission to provide excellent workmanship and complete 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. Call us today.
"Outstanding Service and Professionalism! We recently had a major issue with our main water line and called HighEnd Plumbing Services based on a recommendation—and we couldn’t be happier with the results. From the first phone call to the final inspection, their team was responsive, transparent, and incredibly professional. They diagnosed the problem quickly and clearly explained the scope of work and pricing upfront. The repair was no small job, but they completed it efficiently and with great attention to detail. The crew was respectful of our property and cleaned up thoroughly after the work was done. The total cost was $6,450, and considering the quality of work, the speed of service, and the peace of mind it gave us, it was absolutely worth it. We feel confident that the repair was done right the first time. Highly recommend HighEnd Plumbing for anyone needing plumbing services—especially for major repairs like this one!"
Jenna B on May 2025
Pro Quality Plumbing Inc. is a locally owned and operated company built on honesty and integrity in every aspect of our business. Our dedicated team of professionals brings years of hands-on experience, offering innovative solutions tailored to each project. We customize our services to meet your individual needs, with careful attention to detail in every job we undertake. We’re proud to use the latest plumbing technology and are truly grateful for the continued support of our community and customers. Thank you for choosing us
"They were quick to answer my call, came the same day too !!!!! ! They snaked my drain and it was unclogged rapidly! Thank you pro quality plumbing "
Jessika r on May 2025
Pro Quality Plumbing Inc. is a locally owned and operated company built on honesty and integrity in every aspect of our business. Our dedicated team of professionals brings years of hands-on experience, offering innovative solutions tailored to each project. We customize our services to meet your individual needs, with careful attention to detail in every job we undertake. We’re proud to use the latest plumbing technology and are truly grateful for the continued support of our community and customers. Thank you for choosing us
"They were quick to answer my call, came the same day too !!!!! ! They snaked my drain and it was unclogged rapidly! Thank you pro quality plumbing "
Jessika r on May 2025
R R Electric Heating & Air proudly serves its customers with pride, integrity and attention to the details that matter most to you. This is one of the many things that sets us apart from the rest. We are locally owned and operated. Give us a call today!
"Estimating for the project was carefully done and checked so there were no surprises."
Curtis H on October 2023
R R Electric Heating & Air proudly serves its customers with pride, integrity and attention to the details that matter most to you. This is one of the many things that sets us apart from the rest. We are locally owned and operated. Give us a call today!
"Estimating for the project was carefully done and checked so there were no surprises."
Curtis H on October 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 basis of our business.
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 basis of our business.
FAQs for water heater installation and replacement projects in Castaic, CA
You'll need an expansion tank if your home has a closed water system, which is standard in newer homes or those with backflow preventers or pressure regulators. Expanding hot water has nowhere to go in closed systems, creating potentially damaging pressure. The expansion tank provides space for this expanded water, protecting your plumbing system and water heater from premature failure. Many local building codes now require expansion tanks, and some water heater warranties may be voided without one.
For a standard 50-gallon water heater, a two-gallon expansion tank is sufficient. This sizing assumes normal household water pressure between 40 and 60 psi. If your home has higher water pressure (60 to 80 psi), consider upgrading to a slightly larger tank for added protection. The expansion tank's purpose is to accommodate the increased volume that occurs when cold water heats up, which is proportional to your water heater's capacity.
Watch for signs like dripping water around the tank, fluctuating water pressure throughout your home, or unusual noises in your plumbing system. A properly functioning expansion tank should feel light when tapped on the bottom—if it feels heavy or waterlogged, the internal bladder has likely failed. Other indicators include frequent triggering of your temperature and pressure relief valve, visible corrosion on the tank, or unexplained increases in your water bill, suggesting hidden leaks.
Most expansion tanks have a service life of five to 10 years, though some may last up to 12 years or more with proper maintenance. Factors affecting lifespan include water quality, system pressure, installation quality, and tank construction. Hard water areas often see shorter lifespans due to mineral buildup. Regular maintenance checks can help identify potential issues before complete failure. When your water heater is due for replacement, it's wise to replace the expansion tank simultaneously, even if it hasn't failed yet.
A 30-gallon water heater needs an expansion tank if your home has a closed plumbing system. The need for an expansion tank is determined by your plumbing system type rather than water heater size. Even smaller water heaters create thermal expansion when heating water. If your home has a backflow preventer, pressure regulator, or check valve on the main water line, you have a closed system that requires an expansion tank. Check your local plumbing codes, as many jurisdictions now mandate expansion tanks regardless of water heater size.
- Plumbing - Multiple Projects
- Shower Pan Install
- Plumbing for a Remodel or Addition - Install
- Plumbing Item Repair
- Water Heater - Repair or Service
- Sink Repair
- Steam Shower - Install
- Faucet Install or Replace
- Walk In Tub - Install or Replace
- Drain Repair
- Shower Install or Replace
- Pipe Repair
- Drain Line Breakage - Camera Locate
- Tankless Water Heater - Install
- Water Main - Install, Replace or Repair
- Sump Pump - Repair or Replace
- Drain Clog or Blockage - Clear
- Sewer Main - Clear
- Faucets, Fixtures and Pipes - Repair or Replace
- Plumbing Item Installation
- Sink Installation
- Pipe Installation
- Faucet Installation
- Gas Piping
- Whirlpool Bathtub Install or Replace
- Plumbing Multi-Item Installation
- Sewer Main - Install, Replace or Repair
- Drain Installation
- Plumbing Multi-item Repair
- Toilet Installation
- Bathtub Install or Replace
- Sump Pump or Interior Foundation Drains - Install
- Birmingham
- Phoenix
- Tucson
- Fresno
- Long Beach
- Los Angeles
- Modesto
- Sacramento
- San Diego
- San Francisco
- San Jose
- Denver
- Hartford
- Washington DC
- Fort Lauderdale
- Jacksonville
- Miami
- Orlando
- Tampa
- Atlanta
- Chicago
- Indianapolis
- Louisville
- New Orleans
- Baltimore
- Boston
- Detroit
- Grand Rapids
- Minneapolis
- Saint Paul
- Kansas City
- Saint Louis
- Las Vegas
- Albany
- New York
- Asheville
- Charlotte
- Greensboro
- Raleigh
- Winston Salem
- Cincinnati
- Cleveland
- Columbus
- Oklahoma City
- Portland
- Harrisburg
- Philadelphia
- Pittsburgh
- Providence
- Memphis
- Nashville
- Austin
- Dallas
- El Paso
- Fort Worth
- Houston
- San Antonio
- Salt Lake City
- Norfolk
- Richmond
- Virginia Beach
- Seattle
- Madison
- Milwaukee
Get our Angi-powered app
