Licensed water treatment contractors in Phoenix, AZ

20 water treatment contractors hold an active licence on the Arizona Registrar of Contractors (ROC) register in Phoenix, checked 4 Nov 2026: 7 licensed 10 years or more, 100% bonded and none with a complaint or board disclosure on record. Ranked by a published formula; nobody pays to move up.

Active licences
20
Median time licensed
3.3 yrs
Bonded
100%
Lead-Safe certified
1
Google reviews
2,601

Filled tags sit at the business's Google location; hollow tags show its mailing ZIP code only. Each tag is the theoPros score.

Ranked list

Showing 20 of 20

  1. 1

    Water Resources International Inc

    Phoenix, AZ · Arizona ROC CR-54 #078650 · licensed 38 yrs

    • Licence active
    • Bonded $6,750
    • No complaints
    864.2(55)Full report
  2. 2

    Desert Mountain Water LLC

    Phoenix, AZ · Arizona ROC CR-54 #355261 · licensed 2 yrs

    • Licence active
    • Bonded $11,250
    • No complaints
    725.0(194)Full report
  3. 3

    Hmu LLC

    Phoenix, AZ · Arizona ROC CR-54 #364271 · licensed <1 yr

    • Licence active
    • Bonded $6,750
    • No complaints
    695.0(71)Full report
  4. 4

    Pacific Water Conditioning Service LLC

    Phoenix, AZ · Arizona ROC CR-54 #267451 · licensed 16 yrs

    • Licence active
    • Bonded
    • No complaints
    681.0(2)Full report
  5. 5

    Champion Service Air, LLC

    Phoenix, AZ · Arizona ROC R-54 #368906 · licensed <1 yr

    • Licence active
    • Bonded $15,000
    • No complaints
    • EPA Lead-Safe
    664.8(492)Full report
  6. 6

    Southwest Water Conditioning Company

    Phoenix, AZ · Arizona ROC CR-54 #349372 · licensed 3 yrs

    • Licence active
    • Bonded $25,000
    • No complaints
    615.0(3)Full report
  7. 7

    Pure O Soft Water LLC

    Phoenix, AZ · Arizona ROC CR-54 #319081 · licensed 9 yrs

    • Licence active
    • Bonded $6,750
    • No complaints
    48No Google reviews yetFull report
  8. 8

    Silver's Mist Solutions LLC

    Phoenix, AZ · Arizona ROC CR-54 #345798 · licensed 3 yrs

    • Licence active
    • Bonded $6,750
    • No complaints
    40No Google reviews yetFull report
  9. 9

    Peralta's H2O LLC

    Phoenix, AZ · Arizona ROC R-54 #346808 · licensed 3 yrs

    • Licence active
    • Bonded $4,250
    • No complaints
    40No Google reviews yetFull report
  10. 10

    Gundrum Enterprises L.L.C.

    Phoenix, AZ · Arizona ROC CR-54 #349900 · licensed 3 yrs

    • Licence active
    • Bonded $6,750
    • No complaints
    39No Google reviews yetFull report
  11. 11

    J D I Development LLC

    Phoenix, AZ · Arizona ROC CR-54 #355781 · licensed 2 yrs

    • Licence active
    • Bonded $6,750
    • No complaints
    38No Google reviews yetFull report
  12. 12

    Phoenix Hydro Pure LLC

    Phoenix, AZ · Arizona ROC R-54 #362022 · licensed 1 yr

    • Licence active
    • Bonded $4,250
    • No complaints
    36No Google reviews yetFull report
  13. 13

    Steven James Garbett

    Phoenix, AZ · Arizona ROC CR-54 #366073 · licensed <1 yr

    • Licence active
    • Bonded $6,750
    • No complaints
    36No Google reviews yetFull report
  14. 14

    JDI Air4U, LLC

    Phoenix, AZ · Arizona ROC CR-54 #369009 · licensed <1 yr

    • Licence active
    • Bonded $6,750
    • No complaints
    35No Google reviews yetFull report
  15. 15

    Water Treatment Technologies Inc

    Phoenix, AZ · Arizona ROC CR-54 #117484 · licensed 30 yrs

    • Licence active
    • Bonded
    • No complaints
    974.9(184)Full report
  16. 16

    Soft Water Plus Inc

    Phoenix, AZ · Arizona ROC CR-54 #258175 · licensed 17 yrs

    • Licence active
    • Bonded
    • No complaints
    944.9(714)Full report
  17. 17

    H 2 O Concepts International Inc

    Phoenix, AZ · Arizona ROC CR-54 #220416 · licensed 20 yrs

    • Licence active
    • Bonded
    • No complaints
    844.1(171)Full report
  18. 18

    Complete Water Systems LLC

    Phoenix, AZ · Arizona ROC CR-54 #330440 · licensed 6 yrs

    • Licence active
    • Bonded $6,750
    • No complaints
    795.0(691)Full report
  19. 19

    AZ Mist Systems LLC

    Phoenix, AZ · Arizona ROC CR-54 #308742 · licensed 10 yrs

    • Licence active
    • Bonded
    • No complaints
    765.0(8)Full report
  20. 20

    High Peaks Water Services Inc

    Phoenix, AZ · Arizona ROC CR-54 #278232 · licensed 15 yrs

    • Licence active
    • Bonded
    • No complaints
    754.1(16)Full report

Questions people ask about water treatment contractors in Phoenix

How many licensed water treatment contractors are in Phoenix?

20 water treatment contractors hold an active Arizona Registrar of Contractors (ROC) licence with a mailing address in Phoenix, checked on 4 November 2026. 7 of them have been licensed for 10 years or more.

Does a water treatment contractor need a licence in Arizona?

Yes, when the whole job, labour and materials, costs $1,000 or more or needs a permit. Below that, Arizona's handyman exemption (A.R.S. 32-1121) applies. Look for an active R-54, CR-54 licence.

How do I check a water treatment contractor's licence in Phoenix?

Ask for the licence number and look it up on the Arizona ROC website, or search this page. Every water treatment contractor listed here was matched to an active licence on the Arizona ROC register.

Which water treatment contractors rank highest in Phoenix?

By our published formula (years licensed, complaint record, bond and insurance, and Google reviews), the top three are Water Resources International Inc (86), Desert Mountain Water LLC (72), Hmu LLC (69). Paying or claiming a listing never changes the order.

How much do water treatment contractors charge in Phoenix?

Water treatment contractors in the Phoenix-Mesa-Chandler metro earn a median $23.07 an hour (BLS, May 2025); contractors typically bill about twice the wage to cover insurance, overhead and profit.

Do I need a lead-safe certified water treatment contractor in Phoenix?

If your home was built before 1978 and the work disturbs paint, yes: the law requires a firm certified lead-safe by the US Environmental Protection Agency. 40% of homes here were built before 1980 (US Census, ACS 2024 1-year), and 1 of the 20 licensed water treatment contractors listed are certified.