Plumbing Contractor Permit Requirements in Phoenix, AZ

Complete permit and license guide for starting a plumbing contractor in Phoenix, Maricopa County, Arizona.

$900 -- $2500 6–10 weeks to obtain all licenses and permits 6 requirements

Not legal advice. Requirements may change — always verify with your local government authority before applying. Last verified: .

Phoenix / Maricopa County Requirements

2 requirements
1

City of Phoenix Business License

All businesses operating in Phoenix must obtain a Transaction Privilege Tax (TPT) license from the Arizona Department of Revenue. Phoenix also requires businesses to register for the local TPT. Plumbing contractors must collect and remit tax on certain portions of their work.

$12 (state TPT license) + local license fee varies1–5 days (online application)
Official government source
2

City of Phoenix — Contractor Registration

Plumbing contractors must register with the City of Phoenix Planning and Development Department before pulling permits. The Arizona state ROC contractor license number must be on file. No separate city contractor exam is required.

No additional fee (covered under state license)1–3 days
Official government source

Arizona State Requirements

3 requirements
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.

$420 application fee + $200 exam fee; $360 biennial renewal4–8 weeks
Official government source
2

Arizona Contractor Surety Bond

Arizona plumbing contractors must maintain a surety bond ($5,000–$15,000) based on the license class. Class A (commercial/industrial) requires $15,000; Class B (residential) requires $5,000.

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

Arizona Business Entity Registration (if applicable)

LLCs and corporations must register with the Arizona Corporation Commission.

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

Federal Requirements

1 requirement
1

EIN (Employer Identification Number)

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

FreeImmediate (online application)
Official government source

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