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Best Licensed Septic Contractors in Phoenix, AZ

13 septic companies registered in Phoenix hold current ROC licenses, verified against official records as of August 17, 2026. The 8 below are the top-ranked, ordered by years licensed.

How we chose: We identified 13 companies registered in Phoenix. 13 passed license verification. The 8 below are the top-ranked of those. Our methodology

We earn a fee when you call businesses through numbers on this site. This never affects who is listed or how they rank.

  1. 1.Kimbrells In Business LLC

    ✓ ROC License #291000 - look up this number at ROC
    Verified
    August 17, 2026
    Licensed since
    2014
    Expires
    2028-03-31

  2. 2.A-z Septic Pumping LLC

    ✓ ROC License #303018 - look up this number at ROC
    Verified
    August 17, 2026
    Licensed since
    2016
    Expires
    2028-02-29

  3. 3.Precision Underground Utilities LLC

    ✓ ROC License #334089 - look up this number at ROC
    Verified
    August 17, 2026
    Licensed since
    2021
    Expires
    2027-07-31

  4. 4.Custom Plumbing Of Arizona LLC

    ✓ ROC License #336390 - look up this number at ROC
    Verified
    August 17, 2026
    Licensed since
    2022
    Expires
    2028-01-31

  5. 5.Pars Services LLC

    ✓ ROC License #345103 - look up this number at ROC
    Verified
    August 17, 2026
    Licensed since
    2023
    Expires
    2027-05-31

  6. 6.Arizona Sewer & Septic

    ✓ ROC License #354493 - look up this number at ROC
    Verified
    August 17, 2026
    Licensed since
    2024
    Expires
    2028-09-30

  7. 7.Nighthawk Development, LLC

    ✓ ROC License #356476 - look up this number at ROC
    Verified
    August 17, 2026
    Licensed since
    2025
    Expires
    2027-01-31

  8. 8.Gravity Plumbing LLC

    ✓ ROC License #357096 - look up this number at ROC
    Verified
    August 17, 2026
    Licensed since
    2025
    Expires
    2027-02-28

Compare the top 6 at a glance

CompanyLicenseClassLicensed since
Kimbrells In Business LLC#291000CR-41 · Dual2014
A-z Septic Pumping LLC#303018CR-41 · Dual2016
Precision Underground Utilities LLC#334089CR-41 · Dual2021
Custom Plumbing Of Arizona LLC#336390CR-41 · Dual2022
Pars Services LLC#345103CR-41 · Dual2023
Arizona Sewer & Septic#354493CR-41 · Dual2024

Phoenix septic licensure at a glance

13 active ROC septic tanks and systems licenses are registered in Phoenix. Every Arizona license carries a scope, and it is a legal boundary rather than a size tier: 12 of Phoenix's licenses are dual scope (residential and commercial work) and 1 residential-only, while commercial-only licenses never appear on these pages at all - they do not permit residential work in Arizona. Tenure is what these pages rank on, and Arizona's issue dates are real and filled on every record: the median Phoenix license has been held 1 year, the longest-standing since 2014, and 0 (0.0%) have been held 25 or more years. The posting list carries no insurance, no bond and no phone for any licensee - Arizona requires a license bond by statute but does not publish it, so we never show one, never claim one, and never rank on one. ROC's contractor search cannot link straight to a record, so every listing above shows its number for you to paste into ROC's contractor search. How we verify.

Septic Contractors in Phoenix: common questions

How many licensed septic contractors are there in Phoenix?

13 active ROC septic tanks and systems licenses are registered in Phoenix. 13 Phoenix-registered companies passed our license verification, and the 8 on this page are the top-ranked of those. Only licenses ROC posts as Active, carrying a residential or dual scope and unexpired at our data date, are listed.

What does the scope on an Arizona septic license mean?

Arizona's scope is a legal boundary, not a size tier: a commercial-only license does not permit residential work, so commercial-only contractors never appear on these pages at all. 12 of Phoenix's 13 licenses are dual scope (residential and commercial) and 1 is residential-only.

How do I check a septic contractor's license in Arizona?

Every listing above shows its ROC license number. ROC's contractor search cannot link straight to a record, so open it and type the number in: it shows the class, scope, status and expiration. The median Phoenix license has been held 1 year, and the longest-standing dates to 2014.

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