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)
C-37 Plumbing Trade Exam
Exam provider: PSI
License Reciprocity
This state has reciprocity agreements with 3 states. View full reciprocity details — You may be able to skip the trade exam if you hold a valid license from one of these states.
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.
What experience do I need for a plumber license in Arizona?
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.
What exams are required for a plumber license in Arizona?
You must pass the Arizona Statutes and Rules Exam (SRE) and C-37 Plumbing Trade Exam exams. A passing score of 70% is required. Exams are administered by PSI.
Do I need a bond for a plumber license in Arizona?
Yes, a surety bond is required. 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.
Does Arizona have plumber license reciprocity?
Yes, Arizona has reciprocity agreements with 3 states that may apply to plumbers. Licensed contractors from these states may be eligible to skip certain exams or have an expedited application process.
How long does it take to get a plumber license in Arizona?
Processing time is typically 3-6 weeks after submitting a complete application.
Is continuing education required for plumbers in Arizona?
No, Arizona does not currently require continuing education for plumber license renewal.
Data last verified: 2026-04-02 | Source: ROC