State licence
NY contractor licensing
Check the licence with the state board before work starts.
Open the official lookup →Water treatment service near me
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Water treatment service in New York, NY
There are 28 verified water firms listed in New York, NY. Listings are compiled from public business records and checked against the NY contractor licensing; each record shows the date it was last verified.
Verified listings28 verified listingsSpring band $2,500–$6,000NY licence + New York permit links
Information last verified: 8 November 2026. Dataset compiled 8 November 2026.
What qualifies as a listing
Sewer lines in New York
Water treatment service work in New York follows the same pattern as the rest of NY: the failure mode decides the method, not the other way round.
Permit rules in New York are set locally. Ask the city whether your job needs a permit and who pulls it.
What water work costs in New York
The national range is from the site’s cost guide, checked 2026-11-08. The local column applies the 1.00× metro factor and rounds to $5. It is a planning band, not a quote.
| Job | National range | New York planning band | What it includes |
|---|---|---|---|
| Whole-house softener, installed | $2,500–$6,000 | $2,500–$6,000 | Typical US range |
| Whole-house filtration | $3,500–$9,000 | $3,500–$9,000 | Typical US range |
| Well tank replacement | $1,200–$2,800 | $1,200–$2,800 | Typical US range |
| Well pump replacement | $900–$2,200 | $900–$2,200 | Typical US range |
| Reverse osmosis, installed | $3,500–$8,000 | $3,500–$8,000 | Typical US range |
| Annual service, no salt | $150–$400 | $150–$400 | Typical US range |
Editorial metro factor, not a measured price index. The factor is not a measured local price index; it estimates labour and permit overhead. A quote that is far below the band usually has a smaller scope, not a better price.
Licence and permit checks for New York
Local permit
New York permit office
Ask whether the job needs a permit and who pulls it.
Open the permit office →These links go to the official state or city page. The directory does not file permits and does not verify a contractor’s current insurance for you.
Sewer line firms in New York, NY
28 verified records. The order is the dataset order, not a ranking. Each card shows the date its record was last verified.
Verified
Long Island Clean Water Service, LLC
Water treatment service contractor
- Address
- 202 Bethpage-Sweet Hollow Rd
New York, NY - Phone
- (516) 206-4021
- Website
- Not published
- Rating
- 4.9 / 5 · 1254 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
HD WATER NY
Water treatment service contractor
- Address
- 1 Cutter Mill Rd
New York, NY - Phone
- (516) 460-9920
- Website
- Not published
- Rating
- 5.0 / 5 · 278 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
High Water Standard
Water treatment service contractor
- Address
- 1938 Stillwell Ave
New York, NY - Phone
- (917) 601-0102
- Website
- Not published
- Rating
- 5.0 / 5 · 262 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Pure Water Filtration
Water treatment service contractor
- Address
- 1281 Bay St
New York, NY - Phone
- (917) 769-7875
- Website
- Not published
- Rating
- 4.9 / 5 · 36 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Tankless Filters
Water treatment service contractor
- Address
- 247 E 77th St
New York, NY - Phone
- (718) 971-0404
- Website
- Not published
- Rating
- 5.0 / 5 · 21 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Fluid Water Therapy
Water treatment service contractor
- Address
- 54 W 21st St
New York, NY - Phone
- (212) 888-9116
- Website
- Not published
- Rating
- 4.9 / 5 · 105 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Clear Life NY
Water treatment service contractor
- Address
- 2153 Ryder St
New York, NY - Phone
- (929) 357-4522
- Website
- Not published
- Rating
- 5.0 / 5 · 22 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Churyk Company Inc
Water treatment service contractor
- Address
- 487 E Main St
New York, NY - Phone
- (914) 764-4600
- Website
- Not published
- Rating
- 4.9 / 5 · 501 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Mani Water
Water treatment service contractor
- Address
New York, NY- Phone
- (929) 235-4293
- Website
- Not published
- Rating
- 5.0 / 5 · 10 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Manhattan Water Company
Water treatment service contractor
- Address
- 1 State St
New York, NY - Phone
- (646) 330-4738
- Website
- Not published
- Rating
- 4.6 / 5 · 40 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Emerald Water
Water treatment service contractor
- Address
New York, NY- Phone
- (212) 729-3484
- Website
- Not published
- Rating
- 4.5 / 5 · 32 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Tower Water
Water treatment service contractor
- Address
New York, NY- Phone
- (212) 518-6475
- Website
- Not published
- Rating
- 4.8 / 5 · 18 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
New York City Water Supply
Water treatment service contractor
- Address
New York, NY- Phone
- (212) 643-2215
- Website
- Not published
- Rating
- 4.2 / 5 · 5 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
North River Wastewater Treatment Plant
Water treatment service contractor
- Address
- 725 W 135th St
New York, NY - Phone
- (212) 639-9675
- Website
- Not published
- Rating
- 4.0 / 5 · 12 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Kaltech Environmental Services, LLC
Water treatment service contractor
- Address
- 55 Broad St
New York, NY - Phone
- (212) 887-1268
- Website
- Not published
- Rating
- 5.0 / 5 · 15 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Culligan of Long Island, NY
Water treatment service contractor
- Address
- 1330 Lincoln Ave
New York, NY - Phone
- (516) 789-3185
- Website
- Not published
- Rating
- 4.6 / 5 · 67 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Long Island Clean Water Service
Water treatment service contractor
- Address
- 625 Broadhollow Rd
New York, NY - Phone
- (516) 694-7873
- Website
- Not published
- Rating
- Not published
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Water Waste Prevention Co
Water treatment service contractor
- Address
- 82 Nassau St
New York, NY - Phone
- (212) 962-2587
- Website
- Not published
- Rating
- 3.7 / 5 · 3 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Endless Purified Water Inc
Water treatment service contractor
- Address
- 1991 Marcus Ave
New York, NY - Phone
- (516) 746-3300
- Website
- Not published
- Rating
- 5.0 / 5 · 36 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Watercure USA, Inc.
Water treatment service contractor
- Address
New York, NY- Phone
- (716) 946-3598
- Website
- Not published
- Rating
- 4.9 / 5 · 15 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
North Tonawanda Water Treatment Plant
Water treatment service contractor
- Address
- 1 Archer St
New York, NY - Phone
- (716) 695-8535
- Website
- Not published
- Rating
- 5.0 / 5 · 1 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Northeast Water Systems LLC
Water treatment service contractor
- Address
- 2338 W Kendall Rd
New York, NY - Phone
- (585) 943-9225
- Website
- Not published
- Rating
- 5.0 / 5 · 19 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Buffalo Sewage Treatment Plant
Water treatment service contractor
- Address
- 90 W Ferry St
New York, NY - Phone
- (716) 883-1820
- Website
- Not published
- Rating
- 3.4 / 5 · 5 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Professional Water Technology Inc
Water treatment service contractor
- Address
- 1867 Bath Ave
New York, NY - Phone
- (718) 913-5343
- Website
- Not published
- Rating
- 4.5 / 5 · 22 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Clean Water of New York
Water treatment service contractor
- Address
- 3249 Richmond Ter
New York, NY - Phone
- (718) 981-4600
- Website
- Not published
- Rating
- 4.4 / 5 · 13 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Advanced Water Technology
Water treatment service contractor
- Address
- 30 Pine Valley Ct
New York, NY - Phone
- (716) 992-3279
- Website
- Not published
- Rating
- Not published
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Firms in New York, NY are shown in the order supplied by the dataset, not by rating or payment. No placement is sold. Each name opens that firm’s own profile page.
How this list was built
The directory starts from public business records: the firm’s own website, its published address and phone number, and the state or city licence register named above. A record is marked verified only when a person has checked the name, address, phone and licence against those sources and recorded the date. The place_id field is kept so a future rebuild can match the same entity without guessing.
The national cost band comes from the site’s cost guide. The metro factor is an editorial estimate, not a survey. No rating, review text, price or availability is invented for a verified page; where a public rating is shown it is attributed and dated.
If a record is wrong, the firm can ask for a correction or removal.Corrections: contact@watertreatmentpro.com. Read the fulllisting verification method.
Water treatment service in New York: common questions
How many water firms are listed in New York?
28 verified water firms are listed in New York, NY. 0 publish a website, and 26 records have been verified. The city page is generated only because the dataset contains at least one genuine listing record; a city with no record has no page.
What does water treatment service cost in New York?
The directory’s planning band for a torsion spring replacement is $2,500–$6,000. It is the national range ($2,500–$6,000, checked 2026-11-08) multiplied by an editorial metro factor of 1.00 and rounded to $5. It is an estimate, not a local price survey, and not a quote. Get three written quotes for the same scope.
Does NY license water contractors?
Check the licence with the state board before work starts. The official lookup is the NY contractor licensing, linked on this page. A licence or registration number is a starting point, not a substitute for checking insurance and the scope of the work.
Do I need a permit for a water in New York?
Ask whether the job needs a permit and who pulls it. The permit office is the New York permit office, linked on this page. If the contractor says no permit is needed, ask them to put the reason in writing.
Water treatment service near New York
The closest metros in this directory, by straight-line distance. Each link opens that city’s own cost, licence and permit page.
Guides for New York homeowners
What water treatment service costs
Installed ranges by job, and the five lines every quote should show.
Read the guide →Diagnose the problem first
Symptom to cause, what proves it, and what not to do first.
Read the guide →How to choose a contractor
Licence, insurance, warranty and the questions that expose a thin scope.
Read the guide →Compare the options
Repair, replace or change the opening — decided on scope and five-year cost.
Read the guide →Browse the whole directory.
All service areas ·All NY service areas ·Cost guides ·Methodology