Plumbing Contractor Permit Requirements in Tucson, AZ

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

Verified 2026-08-27 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. Key agencies and fees on this page were re-checked against official government sources on .

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: CR-37 Plumbing (dual; C-37/R-37 single-scope variants exist). Applicants need 4 years of qualifying trade experience, must pass the trade exam and the business management (Statutes & Rules) exam, and must post a surety bond set by license type and estimated annual volume (ARS 32-1152) — ROC does not require proof of liability insurance. Workers' compensation is required if you have employees. Licenses renew every two years.

    Official government source

    Application/license fees vary by classification (statutory caps: specialty residential up to $350, specialty commercial up to $1,000, specialty dual up to $1,350 per 2-year term, ARS 32-1126) plus exam fees — see roc.az.gov/licensing-fees for current amounts4–8 weeks

  2. Arizona Contractor Surety Bond

    Arizona plumbing contractors must post a surety bond (or cash deposit) with the ROC in an amount set by license type and estimated annual construction volume (ARS 32-1152): specialty residential $1,000-$7,500; specialty commercial $2,500-$50,000.

    Official government source

    Bond premium varies with bond amount and credit1–3 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 per location + $20/year Tucson city license renewal (via AZDOR)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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