Plumbing Contractor Permit Requirements in Tucson, AZ

Complete permit and license guide for starting a plumbing contractor in Tucson, Pima County, Arizona.

Updated 2026-02-15 6 stops $900–$2,500 est. 6–10 weeks to obtain all licenses and permits
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Not legal advice. Requirements may change — always verify with your local government authority before applying. This guide was compiled from public and official sources (last updated ) and has not yet been independently source-verified — confirm each requirement before acting on it.

Federal — start here

1 stop

  1. EIN (Employer Identification Number)

    Required if you have employees or operate as an LLC/corporation. Free from the IRS.

    Official government source

    FreeImmediate (online application)

State of Arizona

3 stops

  1. Arizona ROC Plumbing Contractor License (CR-37)

    Required to contract for plumbing work in Arizona. Issued by the Arizona Registrar of Contractors (ROC). Applicants must pass a trade and business management exam, have 4 years of experience, provide proof of $500,000 liability insurance, and post a surety bond ($5,000–$15,000 depending on license class). License must be renewed every 2 years.

    Official government source

    $420 application fee + $200 exam fee; $360 biennial renewal4–8 weeks

  2. Arizona Contractor Surety Bond

    Arizona plumbing contractors must maintain a surety bond ($5,000–$15,000) based on license class.

    Official government source

    $75–$300/year (premium based on bond amount)1–3 days

  3. Arizona Business Entity Registration (if applicable)

    LLCs and corporations must register with the Arizona Corporation Commission.

    Official government source

    $50 (LLC filing fee)3–7 business days

City of Tucson / Pima County

2 stops

  1. City of Tucson — Contractor Registration

    Plumbing contractors working in Tucson must register with the City of Tucson Planning and Development Services before pulling permits. The Arizona state ROC license number must be on file. Tucson follows the International Plumbing Code (IPC) as amended by Arizona.

    Official government source

    No additional fee (state license covers registration)1–3 days

  2. Tucson Business License (TPT Registration)

    All businesses operating in Tucson must register for the Transaction Privilege Tax (TPT) with the Arizona Department of Revenue. Plumbing contractors collecting tax on materials must register for both state and local (Tucson) TPT.

    Official government source

    $12 (state TPT license)1–5 days (online application)

Terminus

Open for business — est. $900–$2,500 · 6–10 weeks to obtain all licenses and permits

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Official Sources

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