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How to become a plumber in Arizona

The license steps in Arizona, from apprentice to master or contractor, taken from the official licensing pages – plus pay, apprenticeships and where to apply.

The short answer

Arizona has no state journeyman or apprentice plumber license; the Registrar of Contractors licenses plumbing contractors (R-37, C-37, CR-37), whose qualifying party needs at least four years of trade experience and must pass exams unless waived.

The steps in Arizona

  1. 1

    Start as an apprentice

    The official pages we checked do not set out a separate apprentice registration in Arizona. Most plumbers still start in an apprenticeship – see below. Ask the licensing office for the current rule.

  2. 2

    Earn your journeyman (first independent) license

    The official pages we checked do not describe a statewide journeyman license in Arizona. Ask the licensing office for the current rule.

  3. 3

    Master or contractor license

    To get a plumbing contractor license, the company's qualifying party needs at least four years of practical or management trade experience, two of them within the last ten years.

  4. 4

    Keep your license current

    Arizona contractor licenses are issued for two years.

Who licenses plumbers in Arizona

Arizona Registrar of Contractors. License types we found: R-37 Plumbing, Including Solar (residential), R-37R Plumbing (residential), C-37 Plumbing (commercial), CR-37 Plumbing (dual).

Official application page

Already licensed? Anyone can check a license on azroc.my.site.com.

Finding an apprenticeship

Most plumbers learn the trade through a 4- or 5-year apprenticeship, with about 2,000 hours of paid on-the-job training each year plus classroom instruction, according to the Bureau of Labor Statistics. The U.S. Department of Labor’s Registered Apprenticeships are paid jobs with progressive wage increases, classroom instruction and a portable, nationally recognized credential; programs are approved by the Department of Labor or a State Apprenticeship Agency. Search programs at apprenticeship.gov, or ask local plumbing contractors and union locals.

Pay and job outlook

$63,800

Median yearly pay for plumbers, pipefitters and steamfitters, May 2025 (BLS).

7%

Projected job growth from 2025 to 2035, with about 42,000 openings a year (BLS).

4-5 years

Typical apprenticeship, with about 2,000 hours of paid on-the-job training a year (BLS).

National figures from the BLS Occupational Outlook Handbook; pay varies by state and city.

Already a plumber in Arizona?

58 plumbing businesses are listed on Plumbers Pages so far. Add your business free, or see plumbers in Arizona.

Sources

Requirements come from Arizona’s official licensing pages and statutes, checked October 2026. Rules change – confirm with the licensing office before you apply.

  1. azleg.gov/ars/32/01122.htm
  2. roc.az.gov/licensing-fees
  3. roc.az.gov/
  4. roc.az.gov/license-classifications
  5. roc.az.gov/before-hire
  6. U.S. Bureau of Labor Statistics – Plumbers, pipefitters and steamfitters
  7. U.S. Department of Labor – Apprenticeship.gov for career seekers

General information, not legal advice. All states · How we write our guides

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