Top-rated water heater installers and replacers.

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

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.

Water heater installers and replacers in Castle Rock

CJM Building Group, LLC
7350 East Progress Place, Number 102
5.00(
2
)
Approved Pro
CJM Building Group, LLC
7350 East Progress Place, Number 102
5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
27 years of experience

We are dedicated to providing our clients with the very best in service, installation, and repair for all phases of your plumbing needs. With over twenty years of experience we are proud to specialize in a variety of residential and commercial services and take pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients, and guarantee your satisfaction.

"CJM Building Group is a rare and exceptional find. Justin and his teams actually did a complete retail space buildout with expert craftsmanship, integrity and reliability. They discovered disengaged piping and had to repipe the whole space as well as install new toilets, sinks, and everything else plumbing. Justin communicated and recorded work so that we could monitor daily progress, which was extremely beneficial. The finished product is as promised and we couldnâ t be happier. We highly recommend CJM Building Group for your plumbing and heating needs. We will always contact them for future needs. Thank you, Justin!"

Lexi T on August 2022

We are dedicated to providing our clients with the very best in service, installation, and repair for all phases of your plumbing needs. With over twenty years of experience we are proud to specialize in a variety of residential and commercial services and take pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients, and guarantee your satisfaction.

"CJM Building Group is a rare and exceptional find. Justin and his teams actually did a complete retail space buildout with expert craftsmanship, integrity and reliability. They discovered disengaged piping and had to repipe the whole space as well as install new toilets, sinks, and everything else plumbing. Justin communicated and recorded work so that we could monitor daily progress, which was extremely beneficial. The finished product is as promised and we couldnâ t be happier. We highly recommend CJM Building Group for your plumbing and heating needs. We will always contact them for future needs. Thank you, Justin!"

Lexi T on August 2022


Avatar for Black Diamond Mechanical, Inc.
Black Diamond Mechanical, Inc.
8122 Burl Wood Drive
5.00(
14
)
Approved Pro
Black Diamond Mechanical, Inc.
8122 Burl Wood Drive
5.00(
14
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
4 years of experience

We take great pride our experience, expertise, quality, and customer service that we provide to meet the consumer need. 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.

"Made a huge effort to get my house done quickly. Overcame several unexpected issues to finish the project on time and on budget, including working on the weekend."

David G on October 2024

We take great pride our experience, expertise, quality, and customer service that we provide to meet the consumer need. 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.

"Made a huge effort to get my house done quickly. Overcame several unexpected issues to finish the project on time and on budget, including working on the weekend."

David G on October 2024


Avatar for Rooter Guy, LLC
Rooter Guy, LLC
4890 Ironton Street
4.66(
2,717
)
Approved Pro
Rooter Guy, LLC
4890 Ironton Street
4.66(
2,717
)
Approved Pro
Customers say: Super punctual
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
1567 local quotes requested

RooterGuy Plumbing has over 30 years plus of experience BBB Accredited since 2012 specializing in all facets of the plumbing work, from drain clearing to whole house piping. We are family owned and operated. We still run on word of mouth advertising rather than taking out ads that are costly, this helps us save money so that we may pass on that savings to our customers. We have over two thousand ratings on the HomeAdvisor web site, real customers whom we have provided a service to, from minor drain cleaning to large scale whole sewer replacements, and though we know all of this may not matter to most consumers, we work very hard and pride ourselves to do well and make sure that all of our customers feel comfortable with us and our services. We are insured and bonded, and we look out for all customers best interest, we never pressure anyone to use our services over others our knowledge and experience speaks for itself. Call us today and do not forget to ask about our discounts.

"Quick response. Explained things and finished the job quickly even though he didn't get assigned until afternoon. Best experience I've ever had. Thank you so much."

Billie S on August 2025

RooterGuy Plumbing has over 30 years plus of experience BBB Accredited since 2012 specializing in all facets of the plumbing work, from drain clearing to whole house piping. We are family owned and operated. We still run on word of mouth advertising rather than taking out ads that are costly, this helps us save money so that we may pass on that savings to our customers. We have over two thousand ratings on the HomeAdvisor web site, real customers whom we have provided a service to, from minor drain cleaning to large scale whole sewer replacements, and though we know all of this may not matter to most consumers, we work very hard and pride ourselves to do well and make sure that all of our customers feel comfortable with us and our services. We are insured and bonded, and we look out for all customers best interest, we never pressure anyone to use our services over others our knowledge and experience speaks for itself. Call us today and do not forget to ask about our discounts.

"Quick response. Explained things and finished the job quickly even though he didn't get assigned until afternoon. Best experience I've ever had. Thank you so much."

Billie S on August 2025


Avatar for American Plumbing & Sewer LLC
American Plumbing & Sewer LLC
2086 Bayfront Dr
4.97(
53
)
Approved Pro
American Plumbing & Sewer LLC
2086 Bayfront Dr
4.97(
53
)
Approved Pro
Customers say: True professional
22 local quotes requested
2 years of experience

I pride myself on my professionalism, as well as my ability to complete every job to the homeowner's total satisfaction. I never leave a job unfinished, or a homeowner not 100% satisfied with my level of service - Call today!

"Their service guy was great and they got rid of the old water heater for me. "

Tim J on June 2025

I pride myself on my professionalism, as well as my ability to complete every job to the homeowner's total satisfaction. I never leave a job unfinished, or a homeowner not 100% satisfied with my level of service - Call today!

"Their service guy was great and they got rid of the old water heater for me. "

Tim J on June 2025


Avatar for Patriots Development LLC
Patriots Development LLC
5235 Shoup Rd
5.00(
3
)
Approved Pro
Patriots Development LLC
5235 Shoup Rd
5.00(
3
)
Approved Pro
27 years of experience
Free onsite estimate

We at Patriots Development LLC 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!

"Had a sewer main issue. Answered the phone. Showed up when they said. Completed the work that needed done. Cleaned everything up. Very professional. No problems since. "

Mike B on August 2025

We at Patriots Development LLC 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!

"Had a sewer main issue. Answered the phone. Showed up when they said. Completed the work that needed done. Cleaned everything up. Very professional. No problems since. "

Mike B on August 2025


Avatar for Absolute Electrical, Heating & Cooling, LLC
Absolute Electrical, Heating & Cooling, LLC
4920 Monaco St.
4.63(
263
)
Approved Pro
Absolute Electrical, Heating & Cooling, LLC
4920 Monaco St.
4.63(
263
)
Approved Pro
Customers say: Quality work
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
217 local quotes requested

At Absolute Electrical Heating and Air, 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!

"Easy to work with"

Richard F on April 2025

At Absolute Electrical Heating and Air, 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!

"Easy to work with"

Richard F on April 2025


Avatar for Relax Plumbing LLC
Relax Plumbing LLC
12313 Crystal Downs Road
4.60(
10
)
Approved Pro
Relax Plumbing LLC
12313 Crystal Downs Road
4.60(
10
)
Approved Pro
3 years of experience
Free onsite estimate

We take great pride in providing our customers with quality work and honesty. We are a local family owned business with 15 years of experience in the field. We firmly believe in integrity and communication which shines through the craftsmanship provided.

"We’ve had some prior experiences with not so good flakey plumbers. Jordan with relaxed plumbing came in midway through a job that another plumber left us hanging on. Jordan was professional and polite and obviously knew his stuff and just got the job done, which we really appreciate and pricing was also reasonable. We will definitely use again."

Ryan G on June 2025

We take great pride in providing our customers with quality work and honesty. We are a local family owned business with 15 years of experience in the field. We firmly believe in integrity and communication which shines through the craftsmanship provided.

"We’ve had some prior experiences with not so good flakey plumbers. Jordan with relaxed plumbing came in midway through a job that another plumber left us hanging on. Jordan was professional and polite and obviously knew his stuff and just got the job done, which we really appreciate and pricing was also reasonable. We will definitely use again."

Ryan G on June 2025


Avatar for Papa Pipes Plumbing LLC
Papa Pipes Plumbing LLC
2446 S Vaughn Way Apt C
5.00(
2
)
Approved Pro
Papa Pipes Plumbing LLC
2446 S Vaughn Way Apt C
5.00(
2
)
Approved Pro
12 years of experience
Free onsite estimate

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the 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.

"It was great!"

Lea D on August 2025

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the 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.

"It was great!"

Lea D on August 2025


Avatar for SWAN Plumbing, Heating & Air of Denver
SWAN Plumbing, Heating & Air of Denver
6810 Broadway Unit N
5.00(
1
)
Approved Pro
SWAN Plumbing, Heating & Air of Denver
6810 Broadway Unit N
5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
78 local quotes requested

Our team of master plumbing, heating and air conditioning technicians are dedicated to providing professional quality plumbing and HVAC services to residents and families throughout the Denver metro area. Our teams of highly qualified plumbers and technicians are always equipped with stocked work trucks to get the job done and resolve your issues quickly. We understand the importance of providing timely and high quality service. Being a family-owned and operated business, we're also mindful of the fact that it's taking place within your home, and take the following steps to respect your home while we're on-site

"Did the job right!"

John D on September 2023

Our team of master plumbing, heating and air conditioning technicians are dedicated to providing professional quality plumbing and HVAC services to residents and families throughout the Denver metro area. Our teams of highly qualified plumbers and technicians are always equipped with stocked work trucks to get the job done and resolve your issues quickly. We understand the importance of providing timely and high quality service. Being a family-owned and operated business, we're also mindful of the fact that it's taking place within your home, and take the following steps to respect your home while we're on-site

"Did the job right!"

John D on September 2023


Avatar for American Plumbing & Sewer, LLC
American Plumbing & Sewer, LLC
2086 Bayfront Dr
4.97(
56
)
Approved Pro
American Plumbing & Sewer, LLC
2086 Bayfront Dr
4.97(
56
)
Approved Pro
Customers say: True professional
16 local quotes requested
5 years of experience

We're dedicated to providing our clients with the very best in service, installation, and repair for all phases of your plumbing needs. We specialize in a variety of residential and commercial services and take pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients, and guarantee your satisfaction.

"Lanney was incredible. He was fast, kind and very efficient. Did everything he said he would and helped provide alternatives for savings. Would absolutely use again."

Alex M on August 2025

We're dedicated to providing our clients with the very best in service, installation, and repair for all phases of your plumbing needs. We specialize in a variety of residential and commercial services and take pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients, and guarantee your satisfaction.

"Lanney was incredible. He was fast, kind and very efficient. Did everything he said he would and helped provide alternatives for savings. Would absolutely use again."

Alex M on August 2025

...
Showing 1-10 of 961
The Castle Rock, CO homeowners’ guide to water heater installations and replacements
From average costs to expert advice, get all the answers you need to get your job done.
A woman filling water bottle in kitchen sink
Jul 29, 2025
Jul 29, 2025
Replacing a water pressure regulator helps maintain steady water flow and protects your plumbing system. Learn what to expect and tips for reducing costs.
Ceramic sink and modern tap in stylish kitchen
Jul 9, 2025
Jul 9, 2025
Need to clean your drain? Here’s how much it costs, what factors affect cost, and what to expect.
Plumber repairing water heater in the bathroom
Jun 25, 2025
Jun 25, 2025
Budget for water heater flush costs based on factors such as water heater size and type, the plumber’s experience level, related services, and more.
trench being dug to repair sewer main in backyard
Jun 21, 2025
Jun 21, 2025
Use this guide to budget for sewer line replacement costs based on factors such as location, trenching, materials, repairs, landscaping, and more.
newly remodeled bathroom with new bath tub
Jun 21, 2025
Jun 21, 2025
Budget for bathtub replacement costs based on factors such as bathtub type, material, removal, hardware, labor, plumbing work, and more.
A man installs a new shower
Jun 15, 2025
Jun 15, 2025
Looking to remodel your shower? Here’s how much it costs, what factors affect cost, and what to expect.