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Arizona HVAC, Plumbing & Electrical License Requirements

Last updated 2026. Requirements may change — always verify with your state licensing board.

HVAC
Renewal
Biennial
CE hours
No state CE requirement for HVAC
Initial cost
$701 (application $100 + trade exam $66 + business exam $54 + license $480 + fingerprinting $67)
License types
C-39 Commercial HVAC, R-39 Residential HVAC, CR-39 Dual
Experience
4 years within past 10 years (or 2 years + approved trade school)
Exam
Trade exam + Business Management exam (both required, 70% passing)
Bond
Varies by license type — residential bond typically $5,000–$15,000; commercial up to $100,000+ based on volume
Insurance
Workers' comp required with 1+ employees; general liability recommended
Reciprocity
Trade exam waiver for contractors licensed 5+ years in Nevada, Utah, or California — must still pass AZ Statutes & Rules exam
Board
Arizona Registrar of Contractors (ROC)
Website
roc.az.gov
Notes
Arizona uses a classification system — make sure you apply for the right C (commercial), R (residential), or CR (dual) designation.
Plumbing
Renewal
Biennial
CE hours
No state CE requirement
Initial cost
~$700 (similar structure to HVAC)
License types
C-37 Commercial Plumbing, R-37 Residential Plumbing, CR-37 Dual
Experience
4 years within past 10 years
Exam
Trade exam + Business Management exam
Bond
Required — amount varies by classification and volume
Insurance
Workers' comp with employees; GL recommended
Reciprocity
Limited — similar trade exam waiver program as HVAC for qualifying states
Board
Arizona Registrar of Contractors (ROC)
Website
roc.az.gov
Notes
All contractor licenses in Arizona are issued by the ROC regardless of trade.
Electrical
Renewal
Biennial (ROC); varies locally
CE hours
No state CE; local jurisdictions may require CE
Initial cost
~$700 for ROC license; local fees vary
License types
C-11 Commercial Electrical, R-11 Residential Electrical, CR-11 Dual (ROC). Journeyman/Master licensed at county level (Maricopa, Pima, Coconino)
Experience
4 years within past 10 years for contractor; varies locally for journeyman
Exam
ROC contractor exam + local journeyman exam where applicable
Bond
Required for ROC license — varies by classification
Insurance
Workers' comp with employees
Reciprocity
Similar trade exam waiver program for qualifying states
Board
Arizona Registrar of Contractors (ROC) + Local licensing bodies
Website
roc.az.gov
Notes
Arizona is unusual — contractor licenses are state-level (ROC) but journeyman/master electrician licenses are issued by counties (Maricopa, Pima, Coconino). You may need both.

Arizona licenses all trade contractors through the Registrar of Contractors (ROC) using a classification system. HVAC is C-39 (commercial), R-39 (residential), or CR-39 (dual). Plumbing is C-37/R-37/CR-37. Electrical is C-11/R-11/CR-11. Getting the wrong classification means you can't legally bid on certain project types.

Initial costs are among the higher in the country at roughly $700 per license, driven by application fees, dual exams (trade + business management), license fees, and mandatory fingerprinting. The bond requirement adds significant cost, especially for commercial classifications where bonds can exceed $100,000 based on your annual volume.

Arizona offers one of the better reciprocity programs: contractors licensed for 5+ years in Nevada, Utah, or California can get a trade exam waiver. You'll still need to pass the Arizona Statutes & Rules exam, but skipping the trade exam saves significant preparation time.

An important quirk for electricians: the ROC issues contractor-level licenses statewide, but journeyman and master electrician licenses are handled at the county level by places like Maricopa County, Pima County, and Coconino County. You may need both a local journeyman license and a state ROC contractor license to operate.

TradesIQ tracks your ROC license renewal, bond expiration, and insurance certificates in one place — with automated reminders before anything lapses.

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Renewal cycles, CE hours, fees, and licensing board links.

HVAC
Renewal
Biennial
CE
No state CE requirement for HVAC
Cost
$701 (application $100 + trade exam $66 + business exam $54 + license $480 + fingerprinting $67)
Board
Arizona Registrar of Contractors (ROC)
Website
roc.az.gov
Plumbing
Renewal
Biennial
CE
No state CE requirement
Cost
~$700 (similar structure to HVAC)
Board
Arizona Registrar of Contractors (ROC)
Website
roc.az.gov
Electrical
Renewal
Biennial (ROC); varies locally
CE
No state CE; local jurisdictions may require CE
Cost
~$700 for ROC license; local fees vary
Board
Arizona Registrar of Contractors (ROC) + Local licensing bodies
Website
roc.az.gov

Requirements may change. Always verify with your state licensing board.

Frequently Asked Questions

What's the difference between C-39 and R-39 HVAC licenses in Arizona?
C-39 is for commercial HVAC work, R-39 is for residential. CR-39 (dual) covers both. If you do work on both residential and commercial properties, you need the CR-39 or separate C-39 and R-39 licenses.
How much does it cost to get an HVAC contractor license in Arizona?
Approximately $701 in state fees (application $100, trade exam $66, business exam $54, license $480, fingerprinting $67). You'll also need a surety bond ($5,000–$100,000+ depending on classification and volume) and insurance.
Does Arizona accept out-of-state contractor licenses?
Arizona offers trade exam waivers for contractors licensed 5+ years in Nevada, Utah, or California. You must still pass the Arizona Statutes & Rules exam and meet all other application requirements.

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