Top-rated water treatment & purification system repair or service pros.

Get matched with top water treatment & purification system repair or service pros in Seaford, NY

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.

Top-Rated Water treatment & purification system repair or service pros in Seaford - Updated Nov 2026

Avatar for Simply PUR Water Filtration
Simply PUR Water Filtration
5.0(
39
)
Water Treatment & Purification System - Repair or Service

Serving Seaford, NY and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"It was both informative and a pleasure to meet Vincent and learned about water purification for our home. Vincent did not "sell". He gave us information we needed to make our decision. The installation-scheduling and the installation itself went very smoothly. The system is a neat and compact layout. Once it was installed, Vincent patiently answered all our operational questions. Vincent is a very enthusiastic spokesman for water purification and an extremely friendly person. We look forward to having him service our system in the years to come."
Pentair Fresh Point 575M
Pentair Fresh Point 575M
Farmingville Home
East Williston Home
East Chester Home

+94

Response time1 day
Response rate89%
25 neighbors recently requested a quote
Avatar for Purified Solutions, LLC
Purified Solutions, LLC
5.0(
14
)
Water Treatment & Purification System - Repair or Service

Serving Seaford, NY and surrounding areas

Approved

In business since 2012

Free estimates

Credit card accepted

"I had a Reverse Osmosis water system installed under my sink and I was very pleased with the job. Jose performed the task and from his initial contact (when he provided an estimate and follow-ups) to completion of the job, he was very professional. He showed up on time, worked efficiently, quickly, knew what he was doing, and cleaned up afterwards. The installation was very neatly done. I was also very pleased that he was PPE compliant. If you need a job done well, call Jose. You will have no regrets."
Response time9 hrs
Response rate86%
Recommended by92%of homeowners
Avatar for HealtheHabitats
HealtheHabitats
4.9(
50
)
Water Treatment & Purification System - Repair or Service

Serving Seaford, NY and surrounding areas

Approved

In business since 2016

Credit card accepted

Customers say: Quick response

"Michael and his crew are very professional, efficient, courteous and they go extra mile on the post-contruction cleaning project at my house. Great people and wonderful customer service. They really care about doing a thorough, spotless and perfect job. Thank you Michael. Great job!!!"
Response time6 hrs
5 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Long lsland Clean Water Service, Inc.
Long lsland Clean Water Service, Inc.
4.6(
67
)
Water Treatment & Purification System - Repair or Service

Serving Seaford, NY and surrounding areas

Approved

In business since 1985

Free estimates

Emergency services offered

"I am now on their maintenance program. I pay a reasonable yearly fee and they come to me like clockwork. I am called a day or two before. They give me a 3 hour time frame and they show up right on time. It takes maybe 5 minutes for them to add the salt fix the timer test the water. The last person that came was Joey who is friendly, courteous and knowledgeable. So are all their other employee. They are great to work with."
Bypass
Whole House Water Filtration System with UV Filter
Reverse Osmosis
Reionator Pro Ultra
Reionator Pro Ultra

+6

Response time2 days
8 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for All Weather Heating & Cooling
All Weather Heating & Cooling
4.5(
70
)
Water Treatment & Purification System - Repair or Service

Serving Seaford, NY and surrounding areas

Approved

In business since 1969

Free estimates

Emergency services offered

"I was very happy with my service call today! The repairman, Scott, was knowledgeable and pleasant and wore a mask and gloves throughout., so I felt safe, despite the pandemic. He serviced both of my central air systems and diagnosed the problem with the malfunctioning one and fixed it. By the time he left my house was already a much more pleasant place to be!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+13

Response time3 days
7 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Heads-Up Irrigation
Heads-Up Irrigation
4.4(
7
)
Water Treatment & Purification System - Repair or Service

Serving Seaford, NY and surrounding areas

Approved

In business since 1988

Free estimates

Credit card accepted

"Cannot recommend this family owned business enough! They were promt, professional and took pride in their work unlike the other companies i have used in the past. They made sure everything was done right and took the time to explain what they were doing. Highly recommend them to anyone looking for reliable, quality service."
Gate Valve Replacement
Gate Valve Replacement
Gate Valve Replacement
2 neighbors recently requested a quote
Bonhomme Plumbing and Home Renovations
4.9(
6
)
Water Treatment & Purification System - Repair or Service

Serving Seaford, NY and surrounding areas

Approved

In business since 2007

Free estimates

Credit card accepted

Bonhomme Plumbing and Home Renovations 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. 25 years of 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.

Response time7 hrs
1 neighbors recently requested a quote
Recommended by100%of homeowners
1-800-Plumber +Air of Central Long Island
New to Angi
Water Treatment & Purification System - Repair or Service

Serving Seaford, NY and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

1800-Plumber +Air is located in Central Long Island, NY and is focused on being the BEST! It’s not about being better than everyone else, instead our focus is on providing you with the fast, dependable plumbing and emergency services when you need it most. Our goal is to give you the BEST experience you have ever received from a service based business.

2 neighbors recently requested a quote
Avatar for 1888safewater.com / Quality Water Group
1888safewater.com / Quality Water Group
4.6(
76
)
Water Treatment & Purification System - Repair or Service

Serving Seaford, NY and surrounding areas

In business since 2016

Free estimates

Emergency services offered

"Excellent service. Kelly Thompson was very informative and helpful. The installater was very friendly and respectful when he patiently explaining how to use the system. I highly recommend using Quality Water Group."
Water Filtration & Softening Tanks
Water Filtration System Piping
Response time1 day
Response rate87%
Recommended by87%of homeowners
...
Showing 1-10 of 63
FAQs for water treatment & purification system repair or service projects in Seaford, NY

If your water softener is over 10 years old or if repair costs approach the price of a new unit, it might be time to replace it. Most water softeners last between 10 and 15 years. Replacing an aging unit can improve your water quality and help you avoid frequent repair costs. For a newer system with minor issues, repairing may be the best option. Consider the age and condition of your system to decide what's most cost-effective.

Water treatment systems remain dependable for 10 to 20 years with proper maintenance and care. A well-maintained system secures full performance by following a scheduled upkeep plan and professional inspections. Consistent maintenance guarantees continuous water purification, ensuring that the system operates at its peak efficiency and delivers high‑quality water throughout its lifespan.

Faulty water softeners exhibit clear symptoms that signal the need for immediate attention. Noticeable mineral build-up around faucets, discolored water, dry or itchy skin following a shower, and altered laundry texture indicate that the system is underperforming. Recognizing these issues early and addressing them promptly prevents further damage and maintains optimal water quality. Early intervention ensures that your water system continues to operate reliably and efficiently.

The Seaford, NY homeowners’ guide to water treatment & purification system repair or services

From average costs to expert advice, get all the answers you need to get your job done.