Best Licensed Plumbers in Williams, AZ
6 plumbing companies registered in Williams hold current ROC licenses, verified against official records as of August 17, 2026. All 6 are listed below, ordered by years licensed.
- 6 active ROC plumbing licenses registered in Williams
- License scopes in Williams: 4 dual (residential and commercial), 2 residential-only; commercial-only licenses never appear here
- Median time licensed in Williams: 20 years
- Longest Williams licensure: since 1996
- 1 of Williams's licenses (16.7%) has been held 25 or more years
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- Verified
- August 17, 2026
- Licensed since
- 1996
- Expires
- 2026-11-30
- Verified
- August 17, 2026
- Licensed since
- 2005
- Expires
- 2027-04-30
- Verified
- August 17, 2026
- Licensed since
- 2005
- Expires
- 2027-11-30
- Verified
- August 17, 2026
- Licensed since
- 2006
- Expires
- 2028-04-30
- Verified
- August 17, 2026
- Licensed since
- 2011
- Expires
- 2027-01-31
- Verified
- August 17, 2026
- Licensed since
- 2026
- Expires
- 2028-01-31
Compare the top 6 at a glance
| Company | License | Class | Licensed since |
|---|---|---|---|
| Ross Pro Formance Plumbing | #118933 | R-37R · Residential | 1996 |
| Above The Rim Plumbing And Repair | #205613 | R-37R · Residential | 2005 |
| Sutton Plumbing LLC | #213425 | CR-37 · Dual | 2005 |
| Universal Mechanical Company LLC | #218666 | CR-37 · Dual | 2006 |
| 1 Source Air Conditioning Refrigeration Plumbing And Heating Inc. | #269700 | CR-37 · Dual | 2011 |
| The Water Heater Bros | #363269 | CR-37 · Dual | 2026 |
Williams plumbing licensure at a glance
6 active ROC plumbing licenses are registered in Williams. Every Arizona license carries a scope, and it is a legal boundary rather than a size tier: 4 of Williams's licenses are dual scope (residential and commercial work) and 2 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 Williams license has been held 20 years, the longest-standing since 1996, and 1 (16.7%) has 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.
Plumbers in Williams: common questions
How many licensed plumbers are there in Williams?
6 active ROC plumbing licenses are registered in Williams. 6 Williams-registered companies passed our license verification, and all 6 are listed on this page. 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 plumbing 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. 4 of Williams's 6 licenses are dual scope (residential and commercial) and 2 are residential-only.
How do I check a plumber'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 Williams license has been held 20 years, and the longest-standing dates to 1996.