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Water treatment & purification system installers and replacers in Seattle

Avatar for Northwest Water Systems, Inc.
Northwest Water Systems, Inc.
24210 Rhododendron Ln NW
4.90(
10
)
Approved Pro
Northwest Water Systems, Inc.
24210 Rhododendron Ln NW
4.90(
10
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
53 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!

"Great company, quick service, quality work."

Carol P on November 2021

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!

"Great company, quick service, quality work."

Carol P on November 2021


Avatar for Water Doctor of Washington
Water Doctor of Washington
2556 Jackson Highway
4.73(
58
)
Approved Pro
Water Doctor of Washington
2556 Jackson Highway
4.73(
58
)
Approved Pro
Customers say: Quality work
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
85 local quotes requested

At Water Doctor of Washington, we’re passionate about providing clean, safe, and great-tasting water for homes and businesses across Western and Eastern Washington. With decades of experience, our expert team specializes in water treatment, purification systems, plumbing services, bottled water delivery, and system rentals. We believe every customer deserves personalized solutions, outstanding workmanship, and honest, dependable service. Whether you need water softening, filtration, or full plumbing support, you can count on Water Doctor to deliver professional results with a commitment to quality and care you can trust.

"Great!"

Jeramie S on April 2024

At Water Doctor of Washington, we’re passionate about providing clean, safe, and great-tasting water for homes and businesses across Western and Eastern Washington. With decades of experience, our expert team specializes in water treatment, purification systems, plumbing services, bottled water delivery, and system rentals. We believe every customer deserves personalized solutions, outstanding workmanship, and honest, dependable service. Whether you need water softening, filtration, or full plumbing support, you can count on Water Doctor to deliver professional results with a commitment to quality and care you can trust.

"Great!"

Jeramie S on April 2024


Avatar for Harts Plumbers, Electricians, & HVAC Technicians
Harts Plumbers, Electricians, & HVAC Technicians
2502 196th St SW
4.64(
629
)
Approved Pro
Harts Plumbers, Electricians, & HVAC Technicians
2502 196th St SW
4.64(
629
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
895 local quotes requested

Harts is your trusted local provider for all your plumbing, electrical, and HVAC needs. With 10 years of business experience, our certified team specializes in delivering top-quality residential and commercial solutions in the PNW. From emergency repairs to routine maintenance, we pride ourselves on using the latest technology for efficient diagnostics and repairs, ensuring minimal disruption to your daily life. We are known to pay exquisite attention to detail while making your satisfaction our number one priority. Our company has been serving the local community with dedication and professionalism for over a decade. We specialize in a wide range of services, from intricate electrical installations and repairs to comprehensive plumbing work, including leak detection, pipe repairs, fixture installations, and much more. You can trust Harts Plumbers, Electricians, & HVAC Technicians for professional and friendly service for all your plumbing, electrical, & HVAC projects. Call us today!

"The 2 technicians who arrived were able to quickly troubleshoot thee problem and change out the defective equipment."

Kevin W on July 2025

Harts is your trusted local provider for all your plumbing, electrical, and HVAC needs. With 10 years of business experience, our certified team specializes in delivering top-quality residential and commercial solutions in the PNW. From emergency repairs to routine maintenance, we pride ourselves on using the latest technology for efficient diagnostics and repairs, ensuring minimal disruption to your daily life. We are known to pay exquisite attention to detail while making your satisfaction our number one priority. Our company has been serving the local community with dedication and professionalism for over a decade. We specialize in a wide range of services, from intricate electrical installations and repairs to comprehensive plumbing work, including leak detection, pipe repairs, fixture installations, and much more. You can trust Harts Plumbers, Electricians, & HVAC Technicians for professional and friendly service for all your plumbing, electrical, & HVAC projects. Call us today!

"The 2 technicians who arrived were able to quickly troubleshoot thee problem and change out the defective equipment."

Kevin W on July 2025


Avatar for Benjamin Franklin Plumbing
Benjamin Franklin Plumbing
18800 142ND AVENUE NE STE 2A
5.00(
6
)
Approved Pro
Benjamin Franklin Plumbing
18800 142ND AVENUE NE STE 2A
5.00(
6
)
Approved Pro
34 local quotes requested
15 years of experience

Benjamin Franklin Plumbing is one of the premier plumbing service franchises in the U.S., proudly serving communities across the nation for over 20 years. Benjamin Franklin of Redmond, while part of this trusted network, is locally owned and operated. Our plumbers are licensed, background checked, and drug tested. With our industry-leading guarantees and our unwavering commitment to integrity, Benjamin Franklin customers have what most homeowners only dream about: Peace of mind about their plumbing. You can learn more about our guarantees here: https://www.benjaminfranklinplumbing.com/about-us/our-guarantees/

"They were great. Responded quickly to my Angi post in the evening and came the next morning to assess the water heater. Appreciated that they sent pictures of the crew before they arrived. They were professional and great at explaining what we needed. They did great work and were reasonably priced. Had t heard of them before but would definitely hire them again."

Kirk J on July 2025

Benjamin Franklin Plumbing is one of the premier plumbing service franchises in the U.S., proudly serving communities across the nation for over 20 years. Benjamin Franklin of Redmond, while part of this trusted network, is locally owned and operated. Our plumbers are licensed, background checked, and drug tested. With our industry-leading guarantees and our unwavering commitment to integrity, Benjamin Franklin customers have what most homeowners only dream about: Peace of mind about their plumbing. You can learn more about our guarantees here: https://www.benjaminfranklinplumbing.com/about-us/our-guarantees/

"They were great. Responded quickly to my Angi post in the evening and came the next morning to assess the water heater. Appreciated that they sent pictures of the crew before they arrived. They were professional and great at explaining what we needed. They did great work and were reasonably priced. Had t heard of them before but would definitely hire them again."

Kirk J on July 2025


Avatar for Harts Plumbers, Electricians, & HVAC Technicians
Harts Plumbers, Electricians, & HVAC Technicians
568 Industry Dr Suite 100
4.71(
863
)
Approved Pro
Harts Plumbers, Electricians, & HVAC Technicians
568 Industry Dr Suite 100
4.71(
863
)
Approved Pro
Customers say: Quick response
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
39 local quotes requested

Harts is your trusted local provider for all your plumbing, electrical, and HVAC needs. With 10 years of business experience, our certified team specializes in delivering top-quality residential and commercial solutions in the PNW. From emergency repairs to routine maintenance, we pride ourselves on using the latest technology for efficient diagnostics and repairs, ensuring minimal disruption to your daily life. We are known to pay exquisite attention to detail while making your satisfaction our number one priority. Our company has been serving the local community with dedication and professionalism for over a decade. We specialize in a wide range of services, from intricate electrical installations and repairs to comprehensive plumbing work, including leak detection, pipe repairs, fixture installations, and much more. You can trust Harts Plumbers, Electricians, & HVAC Technicians for professional and friendly service for all your plumbing, electrical, & HVAC projects. Call us today!

"Terrible service and experience. AVOID. UNRELIABLE. SCAMMERS. They canceled on me at the last minute, then tried to cancel on me again a week later until I complained. Then someone shows up LATE and did a visual inspection to assess that my furnace is extremely old, everything is faulty or falling apart, likely can not be fixed because parts may not be available, recommends a entirely NEW furnace replacement. Since it is such a HUGE commitment, I declined. I called someone else, they came, fixed it ALL within 30min and said everything is working great. INCOMPETENT SCAMMERS!!"

Peter C on April 2025

Harts is your trusted local provider for all your plumbing, electrical, and HVAC needs. With 10 years of business experience, our certified team specializes in delivering top-quality residential and commercial solutions in the PNW. From emergency repairs to routine maintenance, we pride ourselves on using the latest technology for efficient diagnostics and repairs, ensuring minimal disruption to your daily life. We are known to pay exquisite attention to detail while making your satisfaction our number one priority. Our company has been serving the local community with dedication and professionalism for over a decade. We specialize in a wide range of services, from intricate electrical installations and repairs to comprehensive plumbing work, including leak detection, pipe repairs, fixture installations, and much more. You can trust Harts Plumbers, Electricians, & HVAC Technicians for professional and friendly service for all your plumbing, electrical, & HVAC projects. Call us today!

"Terrible service and experience. AVOID. UNRELIABLE. SCAMMERS. They canceled on me at the last minute, then tried to cancel on me again a week later until I complained. Then someone shows up LATE and did a visual inspection to assess that my furnace is extremely old, everything is faulty or falling apart, likely can not be fixed because parts may not be available, recommends a entirely NEW furnace replacement. Since it is such a HUGE commitment, I declined. I called someone else, they came, fixed it ALL within 30min and said everything is working great. INCOMPETENT SCAMMERS!!"

Peter C on April 2025


Blue Line Water Inc.
2531 Inter Ave, Suite A
4.89(
46
)
Approved Pro
Blue Line Water Inc.
2531 Inter Ave, Suite A
4.89(
46
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
37 local quotes requested

Blue Line Water, Inc. provides comprehensive residential and industrial water treatment, purification and pump system services. We are located in Puyallup, Washington, and serve the Pacific Northwest region. We service many types and brands of water treatment equipment and pump systems, whether installed by us or someone else. Call us today!

"Great work but spendy"

Ron A on July 2024

Blue Line Water, Inc. provides comprehensive residential and industrial water treatment, purification and pump system services. We are located in Puyallup, Washington, and serve the Pacific Northwest region. We service many types and brands of water treatment equipment and pump systems, whether installed by us or someone else. Call us today!

"Great work but spendy"

Ron A on July 2024


Avatar for Clearwater Services, Inc.
Clearwater Services, Inc.
306A Front Street
4.65(
15
)
Approved Pro
Clearwater Services, Inc.
306A Front Street
4.65(
15
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
17 local quotes requested

Clearwater Systems is proud to be a company rooted in family. We believe our customers deserve the best service and the best products to get them the best water. As a business with a long history of helping customers get great water for their homes and businesses, we know and understand local water issues better than most. Our experts can design the right system to treat the unique issues of ground and surface water. Get started with a FREE water analysis to determine the water issues that affect you most. Clearwater Systems is an Authorized Independent Kinetico Dealer. Plumbers License #CLEARS*777RE

"Friendly workers"

Ruy L on November 2023

Clearwater Systems is proud to be a company rooted in family. We believe our customers deserve the best service and the best products to get them the best water. As a business with a long history of helping customers get great water for their homes and businesses, we know and understand local water issues better than most. Our experts can design the right system to treat the unique issues of ground and surface water. Get started with a FREE water analysis to determine the water issues that affect you most. Clearwater Systems is an Authorized Independent Kinetico Dealer. Plumbers License #CLEARS*777RE

"Friendly workers"

Ruy L on November 2023


Avatar for Beacon Plumbing & Mechanical INC
Beacon Plumbing & Mechanical INC
515 7th Ave S
5.00(
6
)
Approved Pro
Beacon Plumbing & Mechanical INC
515 7th Ave S
5.00(
6
)
Approved Pro
Customers say: Quick response
33 local quotes requested
26 years of experience

Beacon 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.

"The tech explained everything and was very polite."

Michelle B on April 2025

Beacon 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.

"The tech explained everything and was very polite."

Michelle B on April 2025


Avatar for Jet City Plumbing, LLC
Jet City Plumbing, LLC
21211 41st Court West
4.91(
28
)
Approved Pro
Jet City Plumbing, LLC
21211 41st Court West
4.91(
28
)
Approved Pro
Customers say: Quick response
4 years of experience
Emergency services offered

Jet City Plumbing is a locally owned plumbing company serving the Greater Seattle Area with honest, reliable, and high-quality service. From repairs to full repipes, our expert team gets the job done right the first time. We show up on time, communicate clearly, and treat your home like it’s our own.

"Highly recommended."

Debra M on June 2025

Jet City Plumbing is a locally owned plumbing company serving the Greater Seattle Area with honest, reliable, and high-quality service. From repairs to full repipes, our expert team gets the job done right the first time. We show up on time, communicate clearly, and treat your home like it’s our own.

"Highly recommended."

Debra M on June 2025


Avatar for Sodo Plumbing & Mechanical
Sodo Plumbing & Mechanical
3240 B Street NW Suit B
5.00(
5
)
Approved Pro
Sodo Plumbing & Mechanical
3240 B Street NW Suit B
5.00(
5
)
Approved Pro
Customers say: Terrific value
14 local quotes requested
1 years of experience

Is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have years of hands-on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

"Chris from Sodo Mechanical was so helpful and kind! I highly recommend this company."

Debra N on July 2025

Is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have years of hands-on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

"Chris from Sodo Mechanical was so helpful and kind! I highly recommend this company."

Debra N on July 2025

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The Seattle, WA homeowners’ guide to water treatment & purification system installations and replacements
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If you’re planning to install a water softener, consider budgeting based on capacity, type of system, tank size, and more.
Share project details to get started.