The residential and commercial plumbing industry in Arizona continues to experience growth due to a high demand and labor shortages. On average, plumbers earn between $46,100 and $67,000, with specialized plumbing contractors earning $90,000 to $100,000 in cities like Phoenix.

We'll help you understand the legal framework and insurance obligations required for plumbing contractors in Arizona. Whether you're starting your career or expanding your services, this guide provides detailed instructions and resources to navigate the licensing process with confidence.

Arizona Plumber License Requirements

The state of Arizona requires individuals performing plumbing work valued at more than $1,000 to be licensed. The Arizona Registrar of Contractors (ROC) issues the licenses.

Eligibility Criteria for an Arizona Plumber License

To obtain an Arizona plumbing license, you must:

  • Be at least 18 years old.
  • Provide documentation of legal presence or authorization to work in the U.S. 
  • Obtain a minimum of four years of experience working under a licensed plumber. Technical training can count for two years. 
  • Designate a qualifying party (RME or RMO) who meets the experience requirements and is responsible for the license.

Types of Plumbing Licenses in Arizona

There are three types of statewide plumbing contractor licenses available:

  • R-37 (Residential): Installation and repair of residential water, gas, and sewer systems.
  • C-37 (Commercial): Installation and repair of plumbing systems on commercial property lines.
  • CR-37 (Dual): Covers both residential and commercial work.

The Arizona Plumber License Application Process

  • Complete a formal plumbing diploma or certificate program, or earn a two-year associate degree from a community college; or participate in a formal apprenticeship through a union or trade organization, or gain experience through an employer-sponsored apprenticeship under a licensed contractor.
  • Accumulate at least four years of experience for Commercial, Residential, or Dual plumbing licenses (up to two years may be satisfied through technical training).
  • Fulfill all licensing requirements, including passing exams, completing background checks, and establishing a business entity (sole proprietorship, partnership, LLC, or corporation).
  • Register your business entity if applicable (LLCs and corporations with the Arizona Corporation Commission; partnerships with the Arizona Secretary of State).
  • File an application and submit appropriate fees.
  • Pass the Statutes and Rules Exam and the applicable Trade Exam, and pay the required exam fees.
  • Obtain and submit proof of a required license bond.
  • Obtain your statewide license and renew it every two years.

Exam Preparation and Study Resources

Applicants must pass two exams administered by PSI Exams:

  • Arizona Statutes and Rules Exam (SRE): Covers business management, legal requirements, and safety. Includes 80 questions, runs 180 minutes, and is an open-book test.
  • Plumbing Trade Exam: Specific to your chosen classification (R-37 or C-37). Covers plumbing codes, water systems, pipes, fixtures, and safety. Includes 100 questions, runs 240 minutes, and is an open-book test.
  • Passing Score: 70% or higher is required on both exams. 

Resources include:

  • Arizona Registrar of Contractors (AZ ROC): The official licensing board that defines requirements, such as four years of experience, and links to application forms.
  • PSI Exams (PSI): Administers the actual trade and business management exams, providing test-taker guides, scheduling, and locations.
  • Plumbers Training Institute and RocketCert: Offer structured online prep courses specifically for Arizona, covering topics such as IPC, the International Fuel Gas Code (IFGC), and plumbing math.
  • Contractor's Exam Center: Offers comprehensive exam preparation for Arizona contractor licenses. 

Tips for Successfully Getting Your Plumber License

Getting licensed in Arizona requires more than meeting the minimum requirements. It’s about preparation, organization, and understanding the process from start to finish.

  • Choose the right license classification: Determine whether you need a Commercial, Residential, or Dual license based on the type of work you plan to perform.
  • Document your experience clearly: Keep detailed records of your work history, including job duties and timelines, to avoid delays during the application review.
  • Leverage training and education: Technical schooling or apprenticeship programs can strengthen your qualifications and count toward experience requirements.
  • Prepare for exams in advance: Study Arizona statutes, rules, and plumbing trade knowledge to improve your chances of passing on the first attempt.
  • Stay organized with paperwork: Ensure all application materials, background check documentation, and business registration details are complete and accurate.
  • Plan for business setup requirements: If operating independently, be ready to establish a legal business entity and meet state registration requirements.
  • Understand bonding and insurance early: Knowing what’s required ahead of time can help you avoid last-minute delays in getting licensed.

Licensing Bonds and Insurance Requirements for Arizona

To obtain and maintain a plumbing contractor license in Arizona, you must meet specific bonding and insurance requirements set by ROC.

  • Contractor License Bond:
    • Required for all licensed contractors
    • Bond amount varies based on license type and expected annual revenue
    • Protects customers by providing financial recourse for incomplete or faulty work
  • Workers’ Compensation Insurance:
    • Required if you have employees
    • Covers job-related injuries and illnesses
  • General Liability Insurance:
    • Not required by the state for licensing
    • Strongly recommended to protect against third-party bodily injury and property damage claims

How to Obtain Necessary Bonds and Insurance

CCIS can provide you with a Contractor’s License Bond and the insurance you are required to carry. We’ve been serving contractors for more than 55 years.

Frequently Asked Questions About Plumber Licenses in Arizona

Q. Can CCIS assist in determining the bond requirements for my plumbing license in Arizona?

A. Yes, we can provide you with your Contractor Licensing Bond in compliance with Arizona requirements.

Q. Are there insurance products available for plumbing contractors through CCIS?

A. Yes, you can get Workers’ Compensation, General Liability, and Contractors Tools & Equipment insurance through CCIS.

Note: This content is for informational purposes only and is not legal, licensing, or professional advice. Licensing requirements, fees, and bond amounts may change and can vary by applicant. Always verify requirements directly with the Arizona Registrar of Contractors (ROC) and any applicable local jurisdictions. Consult with your legal professional concerning your compliance as to your business operations.