Arizona CR21 Hardscaping & Irrigation Systems
FINAL EXAM PREP – 200 VERIFIED QUESTIONS
2025/2026 UPDATED | GRADED A+ | ALL CORRECT ANSWERS
WITH RATIONALES
EXAM OVERVIEW
About the CR-21 License:
• Issuing Authority: Arizona Registrar of Contractors (AZ ROC) via PSI Services
• License Type: Dual specialty contractor license (Residential + Commercial)
• Scope: Hardscaping (pavers, retaining walls ≤3ft, patios, walkways) and
Pressurized Irrigation Systems
• Requirements: 4 years of verifiable landscaping experience, passing both Trade
Exam and Statutes & Rules Exam (SRE)
• Contract Trigger: License required for projects costing $1,000+ or requiring a
building permit
• Renewal: Every 2 years
• Application Fee: $580 (as of 2024)
Key Reference Materials:
• OSHA 29 CFR Part 1926 (Trenching Safety)
• International Plumbing Code (IPC)
• Arizona Revised Statutes Title 45 (Water Conservation)
• Arizona Administrative Code R12-15
,SECTION 1: LICENSING & REGULATORY FRAMEWORK
Questions 1–40
Question 1:
Which Arizona agency issues the CR21 Hardscaping & Irrigation Systems license?
A) Arizona Department of Water Resources (ADWR)
B) Arizona Registrar of Contractors (AZ ROC)
C) Arizona Department of Environmental Quality (ADEQ)
D) Arizona State Land Department
Answer: B) Arizona Registrar of Contractors (AZ ROC)
Rationale: The Arizona Registrar of Contractors (AZ ROC) issues and regulates all
contractor licenses, including the CR21 for hardscaping and irrigation systems. ADWR
regulates water rights, and ADEQ handles environmental quality .
Question 2:
What is the minimum number of years of verifiable landscaping experience required to
obtain a CR-21 license in Arizona?
A) 2 years
B) 3 years
C) 4 years
D) 5 years
Answer: C) 4 years
Rationale: Arizona requires a minimum of 4 years of verifiable landscaping experience for
most contractor license classifications, including CR21. The Qualifying Party must
demonstrate this experience to the AZ ROC .
,Question 3:
Which exams must an applicant pass to obtain a CR-21 license?
A) Trade Exam only
B) Statutes & Rules Exam (SRE) only
C) Both Trade Exam and Statutes & Rules Exam (SRE)
D) Business Management Exam only
Answer: C) Both Trade Exam and Statutes & Rules Exam (SRE)
Rationale: Candidates must pass both the Trade Exam (specific to the CR-21 classification)
and the Statutes & Rules Exam (SRE), which tests knowledge of Arizona contractor laws
and regulations .
Question 4:
Which organization administers the CR-21 exams on behalf of the Arizona Registrar of
Contractors?
A) Pearson VUE
B) PSI Services
C) Prometric
D) NCEES
Answer: B) PSI Services
Rationale: PSI Services administers the CR-21 exams on behalf of the AZ ROC. Candidates
must schedule their exams through PSI .
Question 5:
What is the minimum liability insurance required for a CR21 contractor in Arizona?
A) $100,000
B) $300,000
C) $500,000
D) $1,000,000
, Answer: B) $300,000
Rationale: Arizona requires at least $300,000 in liability insurance for CR21 contractors.
This is a statutory requirement to protect the public .
Question 6:
A CR21 license must be renewed every:
A) 1 year
B) 2 years
C) 3 years
D) 5 years
Answer: B) 2 years
Rationale: The CR21 license requires renewal every two years. Contractors must maintain
compliance with AZ ROC regulations to renew .
Question 7:
How long must hardscaping project records be maintained in Arizona?
A) 1 year
B) 2 years
C) 3 years
D) 5 years
Answer: B) 2 years
Rationale: Contractors must maintain records for 2 years after project completion. This
includes contracts, change orders, and payment records .
Question 8:
Which of the following is NOT a classification of the Arizona landscaping license?
FINAL EXAM PREP – 200 VERIFIED QUESTIONS
2025/2026 UPDATED | GRADED A+ | ALL CORRECT ANSWERS
WITH RATIONALES
EXAM OVERVIEW
About the CR-21 License:
• Issuing Authority: Arizona Registrar of Contractors (AZ ROC) via PSI Services
• License Type: Dual specialty contractor license (Residential + Commercial)
• Scope: Hardscaping (pavers, retaining walls ≤3ft, patios, walkways) and
Pressurized Irrigation Systems
• Requirements: 4 years of verifiable landscaping experience, passing both Trade
Exam and Statutes & Rules Exam (SRE)
• Contract Trigger: License required for projects costing $1,000+ or requiring a
building permit
• Renewal: Every 2 years
• Application Fee: $580 (as of 2024)
Key Reference Materials:
• OSHA 29 CFR Part 1926 (Trenching Safety)
• International Plumbing Code (IPC)
• Arizona Revised Statutes Title 45 (Water Conservation)
• Arizona Administrative Code R12-15
,SECTION 1: LICENSING & REGULATORY FRAMEWORK
Questions 1–40
Question 1:
Which Arizona agency issues the CR21 Hardscaping & Irrigation Systems license?
A) Arizona Department of Water Resources (ADWR)
B) Arizona Registrar of Contractors (AZ ROC)
C) Arizona Department of Environmental Quality (ADEQ)
D) Arizona State Land Department
Answer: B) Arizona Registrar of Contractors (AZ ROC)
Rationale: The Arizona Registrar of Contractors (AZ ROC) issues and regulates all
contractor licenses, including the CR21 for hardscaping and irrigation systems. ADWR
regulates water rights, and ADEQ handles environmental quality .
Question 2:
What is the minimum number of years of verifiable landscaping experience required to
obtain a CR-21 license in Arizona?
A) 2 years
B) 3 years
C) 4 years
D) 5 years
Answer: C) 4 years
Rationale: Arizona requires a minimum of 4 years of verifiable landscaping experience for
most contractor license classifications, including CR21. The Qualifying Party must
demonstrate this experience to the AZ ROC .
,Question 3:
Which exams must an applicant pass to obtain a CR-21 license?
A) Trade Exam only
B) Statutes & Rules Exam (SRE) only
C) Both Trade Exam and Statutes & Rules Exam (SRE)
D) Business Management Exam only
Answer: C) Both Trade Exam and Statutes & Rules Exam (SRE)
Rationale: Candidates must pass both the Trade Exam (specific to the CR-21 classification)
and the Statutes & Rules Exam (SRE), which tests knowledge of Arizona contractor laws
and regulations .
Question 4:
Which organization administers the CR-21 exams on behalf of the Arizona Registrar of
Contractors?
A) Pearson VUE
B) PSI Services
C) Prometric
D) NCEES
Answer: B) PSI Services
Rationale: PSI Services administers the CR-21 exams on behalf of the AZ ROC. Candidates
must schedule their exams through PSI .
Question 5:
What is the minimum liability insurance required for a CR21 contractor in Arizona?
A) $100,000
B) $300,000
C) $500,000
D) $1,000,000
, Answer: B) $300,000
Rationale: Arizona requires at least $300,000 in liability insurance for CR21 contractors.
This is a statutory requirement to protect the public .
Question 6:
A CR21 license must be renewed every:
A) 1 year
B) 2 years
C) 3 years
D) 5 years
Answer: B) 2 years
Rationale: The CR21 license requires renewal every two years. Contractors must maintain
compliance with AZ ROC regulations to renew .
Question 7:
How long must hardscaping project records be maintained in Arizona?
A) 1 year
B) 2 years
C) 3 years
D) 5 years
Answer: B) 2 years
Rationale: Contractors must maintain records for 2 years after project completion. This
includes contracts, change orders, and payment records .
Question 8:
Which of the following is NOT a classification of the Arizona landscaping license?
