State licence
CA 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 Fresno, CA
There are 25 verified water firms listed in Fresno, CA. Listings are compiled from public business records and checked against the CA contractor licensing; each record shows the date it was last verified.
Verified listings25 verified listingsSpring band $2,500–$6,000CA licence + Fresno permit links
Information last verified: 8 November 2026. Dataset compiled 8 November 2026.
What qualifies as a listing
Sewer lines in Fresno
Water treatment service work in Fresno follows the same pattern as the rest of CA: the failure mode decides the method, not the other way round.
Permit rules in Fresno are set locally. Ask the city whether your job needs a permit and who pulls it.
What water work costs in Fresno
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 | Fresno 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 Fresno
Local permit
Fresno 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 Fresno, CA
25 verified records. The order is the dataset order, not a ranking. Each card shows the date its record was last verified.
Verified
Clean Valley Water: Water Purification Company
Water treatment service contractor
- Address
- 8050 N Palm Ave
Fresno, CA - Phone
- (559) 512-2514
- Website
- Not published
- Rating
- 4.7 / 5 · 344 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
EcoWater of Central California
Water treatment service contractor
- Address
- 287 W Fallbrook Ave
Fresno, CA - Phone
- (888) 598-3326
- Website
- Not published
- Rating
- 4.8 / 5 · 966 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Perfect H2o Solutions
Water treatment service contractor
- Address
- 516 W Shaw Ave
Fresno, CA - Phone
- (888) 444-6992
- Website
- Not published
- Rating
- 5.0 / 5 · 9 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Generation H2O
Water treatment service contractor
- Address
Fresno, CA- Phone
- (559) 840-0883
- Website
- Not published
- Rating
- 5.0 / 5 · 117 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Aqua Golden Line, Inc.
Water treatment service contractor
- Address
- 3582 W Holland Ave
Fresno, CA - Phone
- (800) 680-8984
- Website
- Not published
- Rating
- 4.8 / 5 · 34 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Stellar Water Co
Water treatment service contractor
- Address
Fresno, CA- Phone
- (559) 395-6500
- Website
- Not published
- Rating
- 5.0 / 5 · 22 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
559 Water Filters
Water treatment service contractor
- Address
- 5475 W Mission Ave
Fresno, CA - Phone
- (559) 579-4141
- Website
- Not published
- Rating
- 5.0 / 5 · 2 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Quality Home Services
Water treatment service contractor
- Address
- 4936 E Ashlan Ave
Fresno, CA - Phone
- (559) 275-0222
- Website
- Not published
- Rating
- 4.8 / 5 · 1134 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Culligan of Fresno
Water treatment service contractor
- Address
- 2479 S Orange Ave
Fresno, CA - Phone
- (559) 233-3055
- Website
- Not published
- Rating
- 4.8 / 5 · 449 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
LifeWaterSolutions
Water treatment service contractor
- Address
- 6435 N Palm Ave
Fresno, CA - Phone
- (559) 753-4537
- Website
- Not published
- Rating
- 2.2 / 5 · 17 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Aqualytics Water & Wastewater
Water treatment service contractor
- Address
Fresno, CA- Phone
- (559) 310-8924
- Website
- Not published
- Rating
- 5.0 / 5 · 2 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
California Honest Water Co
Water treatment service contractor
- Address
Fresno, CA- Phone
- (559) 472-0796
- Website
- Not published
- Rating
- 5.0 / 5 · 5 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Aroni Water Conditioning
Water treatment service contractor
- Address
- 345 W Fir Ave
Fresno, CA - Phone
- (559) 421-5656
- Website
- Not published
- Rating
- 4.4 / 5 · 5 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Ratchford Quality Water
Water treatment service contractor
- Address
Fresno, CA- Phone
- (559) 647-7635
- Website
- Not published
- Rating
- 5.0 / 5 · 8 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Pure drops
Water treatment service contractor
- Address
- 2450 N Brawley Ave
Fresno, CA - Phone
- (559) 515-6205
- Website
- Not published
- Rating
- 5.0 / 5 · 1 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Central Valley Water Restoration
Water treatment service contractor
- Address
- 360 W Bedford Ave
Fresno, CA - Phone
- (559) 523-6465
- Website
- Not published
- Rating
- 5.0 / 5 · 70 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Fresno-Clovis Regional Wastewater Treatment Facility
Water treatment service contractor
- Address
- 5607 W Jensen Ave
Fresno, CA - Phone
- (559) 621-2489
- Website
- Not published
- Rating
- 3.8 / 5 · 16 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
City Of Fresno Surface Water Treatment
Water treatment service contractor
- Address
- 10120 N Chestnut Ave
Fresno, CA - Phone
- (559) 621-5829
- Website
- Not published
- Rating
- 5.0 / 5 · 1 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
HP Water Systems, Inc.
Water treatment service contractor
- Address
- 9338 W Whitesbridge Ave
Fresno, CA - Phone
- (559) 268-4751
- Website
- Not published
- Rating
- 4.5 / 5 · 16 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Water, Energy and Technology (WET) Center
Water treatment service contractor
- Address
- 2911 E Barstow Ave
Fresno, CA - Phone
- (559) 278-4540
- Website
- Not published
- Rating
- 4.4 / 5 · 5 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
First Pure Water, Alkaline water
Water treatment service contractor
- Address
- 3121 E McKinley Ave
Fresno, CA - Phone
- (559) 885-6114
- Website
- Not published
- Rating
- 4.4 / 5 · 26 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Honest Valley Water
Water treatment service contractor
- Address
Fresno, CA- Phone
- (559) 981-6197
- Website
- Not published
- Rating
- 5.0 / 5 · 8 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Friant Surface Water Treatment Plant
Water treatment service contractor
- Address
Fresno, CA- Phone
- (559) 822-3575
- Website
- Not published
- Rating
- 5.0 / 5 · 1 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
McGrayel Company, Inc.
Water treatment service contractor
- Address
- 5361 S Villa Ave
Fresno, CA - Phone
- (559) 299-7660
- Website
- Not published
- Rating
- 5.0 / 5 · 3 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
A. G. Water Chemical
Water treatment service contractor
- Address
- 2665 S Chestnut Ave
Fresno, CA - Phone
- (559) 476-3830
- Website
- Not published
- Rating
- Not published
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Firms in Fresno, CA 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 Fresno: common questions
How many water firms are listed in Fresno?
25 verified water firms are listed in Fresno, CA. 0 publish a website, and 25 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 Fresno?
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 CA license water contractors?
Check the licence with the state board before work starts. The official lookup is the CA 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 Fresno?
Ask whether the job needs a permit and who pulls it. The permit office is the Fresno 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 Fresno
The closest metros in this directory, by straight-line distance. Each link opens that city’s own cost, licence and permit page.
Guides for Fresno 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 CA service areas ·Cost guides ·Methodology