Plumber License Requirements in Arizona
| Licensing Authority | Arizona Registrar of Contractors (ROC) |
| License Type | C-37 Commercial Plumbing / R-37R Residential / CR-37 Dual |
| Experience Required | 4 years of practical or management experience in plumbing, at least 2 of which must have been within the last 10 years. Must work under a licensed plumber. Documented on ROC Experience Record Form. |
| Education Substitute | Up to 2 years may be substituted with accredited technical/trade school training or U.S. DOL-approved apprenticeship completion. |
| Exam Required | Yes — Arizona Statutes and Rules Exam (SRE) + C-37 Plumbing Trade Exam |
| Bond Required | Yes — Bond amount based on anticipated annual gross volume. Specialty commercial: $2,500 (under $150K) up to $37,500-$50,000 ($10M+). Residential: $5,000-$15,000. |
| Insurance | General liability: recommended. Workers comp: required with employees |
| Continuing Education | Not required |
| Processing Time | 3-6 weeks |
Fee Breakdown
| Application Fee | $100 |
| Exam Fee | $54 |
| Initial License Fee | $480 |
| Fingerprinting | $67 |
| Trade exam fee | $66 |
| Est. Initial Total | $767 |
Renewal: $480 every 2 years
Exam Requirements
Arizona Statutes and Rules Exam (SRE)
80 questions180 minutesPass: 70%
Arizona contracting lawsROC rules and regulations
C-37 Plumbing Trade Exam
Pass: 70%
Uniform Plumbing CodePlumbing systemsInstallation methodsSafety
Exam provider: PSI
License Reciprocity
This state has reciprocity agreements with 3 states. You may be able to skip the trade exam if you hold a valid license from one of these states.
NevadaLicensed contractors with 5+ years of licensure may qualify for trade exam waiver. Must still pass the Arizona Statutes and Rules Exam and meet all other requirements.
UtahLicensed contractors with 5+ years of licensure may qualify for trade exam waiver. Must still pass the Arizona SRE and meet all other requirements.
CaliforniaLicensed contractors with 5+ years of licensure may qualify for trade exam waiver. Must still pass the Arizona SRE and meet all other requirements.
Notes
- Arizona does not use journeyman/master plumber designations at the state level
- Some cities (Phoenix) license plumbers at the journeyman and apprentice level locally
- CR-37 dual license covers both residential and commercial plumbing scopes
- Solar plumbing work included under plumbing classifications
Frequently Asked Questions
Do I need a plumber license in Arizona?
Yes, Arizona requires a statewide plumber license through the Arizona Registrar of Contractors.
How much does a plumber license cost in Arizona?
The estimated initial cost is $701, including application, exam, and license fees.
Data last verified: 2026-04-02 | Source: ROC