Arizona plumbing contractor license guide
Arizona plumbing contractor licensing is handled by the Arizona Registrar of Contractors through plumbing classifications. Contractors should verify the commercial, residential, or dual plumbing path before selling plumbing jobs.
Arizona plumbing contractors should use ROC's current classification and application sources before taking plumbing jobs. ROC's classification requirements source lists CR-37 Plumbing with a four-year experience requirement and SRE/trade exam path.
Who this applies to
- Contractors selling plumbing work in Arizona should confirm the ROC plumbing classification that matches the work.
- Businesses should review the qualifying party, entity, bond, fee, and application requirements before advertising plumbing services.
- Homeowners and contractors can verify plumbing contractor status through ROC contractor search.
Requirement snapshot
Practical application path
- Start on ROC's license classifications page and confirm the plumbing scope.
- Use the classification requirements page to verify the required experience and exams for CR-37 or the applicable plumbing classification.
- Prepare the ROC application materials, bond, background, qualifying-party, and fee items from the current application workflow.
- Confirm whether the business needs commercial, residential, or dual plumbing authority.
- Use ROC contractor search to verify the issued license status and classification before selling or subcontracting plumbing work.
Watchouts before you sell the work
- Do not assume a handyman, remodeling, or general contractor classification covers plumbing work.
- Solar, sewer, drains, water conditioning, and specialty plumbing-adjacent work can have separate ROC classifications.
- Local permits, inspections, backflow, gas, medical gas, water-heater, and code requirements may still apply to the job.
Official source links
FAQ
Who handles Arizona plumbing contractor licenses?
The Arizona Registrar of Contractors handles contractor licensing, including plumbing classifications.
What is the Arizona CR-37 plumbing classification?
ROC's classification requirements source lists CR-37 Plumbing as a specialty dual classification with 4 years of experience and SRE/trade exam requirements as of the last check date.