Arizona · No License Number Displayed

39% of Arizona Plumbing Websites Have No License Number Displayed

That's 52 of 132 audited sites in Arizona — -9 percentage points vs. the national rate of 48%.

Last updated: March 2026 132 sites audited
Arizona vs. National:-9ppbetter than national average

City Breakdown in Arizona

CityFrequencyAffected
Chandler64%7 of 11
Phoenix43%16 of 37
Tucson43%13 of 30
Scottsdale42%5 of 12
Gilbert38%5 of 13
Mesa20%5 of 25
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