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CR-21/CR-21 HARDSCAPING and IRRIGATION
SYSTEMS 2026-2027 COMPLETE ACCURATE
Exam Preparation With Complete Questions And
Correct Answers With Rationales Already Graded
A+ Brand New Version!!
Question 1
A contractor seeking to obtain a CR-21 license in Arizona must
demonstrate a minimum of how many years of relevant work
experience?
A) 2 years
B) 3 years
C) 4 years
D) 5 years
Correct Answer: C
Explanation: The Arizona Registrar of Contractors (AZ ROC) mandates a
minimum of four years of pertinent, full-time work experience for most
contractor license classifications, including the CR-21 Landscape and
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Irrigation license. This ensures that license holders possess sufficient
practical knowledge to perform work safely and competently.
Question 2
Before beginning any excavation work for an irrigation system, Arizona
law requires a contractor to:
A) Notify the local homeowners' association.
B) Call 811 to have underground utility lines located and marked.
C) Obtain a permit for water usage from the city.
D) Test the soil for contaminants.
Correct Answer: B
Explanation: Arizona law strictly requires contractors to contact the
Blue Stake program by calling 811 before any excavation. This service
ensures that all buried utilities (gas, electric, water, sewer) are marked,
preventing accidental damage that could cause injury, service
disruption, or significant financial liability.
Question 3
Failure to notify utility location services (Blue Stake) before digging can
result in a fine of up to:
A) $1,000
B) $2,000
C) $5,000
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D) $10,000
Correct Answer: C
Explanation: Utility safety regulations impose significant penalties for
failing to contact Blue Stake before excavating. Fines can reach up to
$5,000 to underscore the importance of protecting underground
infrastructure and ensuring public safety.
Question 4
A CR-21 contractor's license can be suspended for which of the
following reasons?
A) Violating Arizona regulations.
B) Allowing liability insurance to lapse.
C) Both A and B.
D) Neither A nor B.
Correct Answer: C
Explanation: The AZ ROC has the authority to suspend a contractor's
license for non-compliance with state regulations, which includes both
committing regulatory violations and failing to maintain the required
insurance coverage. A lapse in insurance exposes the public to financial
risk, prompting immediate disciplinary action.
Question 5
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According to Arizona record-keeping requirements, contractors are
generally required to maintain project records for how long after
project completion?
A) 1 year
B) 2 years
C) 3 years
D) 5 years
Correct Answer: B
Explanation: Contractors must keep detailed records of their projects for
a minimum of two years following completion. This requirement
ensures that documentation is available for any warranty claims,
disputes, or regulatory audits that may arise after the work is finished.
Question 6
The Arizona Groundwater Management Act primarily regulates which
of the following?
A) The quality of drinking water.
B) The use and conservation of groundwater.
C) The discharge of pollutants into navigable waters.
D) The licensing of well-drilling contractors.
Correct Answer: B
CR-21/CR-21 HARDSCAPING and IRRIGATION
SYSTEMS 2026-2027 COMPLETE ACCURATE
Exam Preparation With Complete Questions And
Correct Answers With Rationales Already Graded
A+ Brand New Version!!
Question 1
A contractor seeking to obtain a CR-21 license in Arizona must
demonstrate a minimum of how many years of relevant work
experience?
A) 2 years
B) 3 years
C) 4 years
D) 5 years
Correct Answer: C
Explanation: The Arizona Registrar of Contractors (AZ ROC) mandates a
minimum of four years of pertinent, full-time work experience for most
contractor license classifications, including the CR-21 Landscape and
,2|Page
Irrigation license. This ensures that license holders possess sufficient
practical knowledge to perform work safely and competently.
Question 2
Before beginning any excavation work for an irrigation system, Arizona
law requires a contractor to:
A) Notify the local homeowners' association.
B) Call 811 to have underground utility lines located and marked.
C) Obtain a permit for water usage from the city.
D) Test the soil for contaminants.
Correct Answer: B
Explanation: Arizona law strictly requires contractors to contact the
Blue Stake program by calling 811 before any excavation. This service
ensures that all buried utilities (gas, electric, water, sewer) are marked,
preventing accidental damage that could cause injury, service
disruption, or significant financial liability.
Question 3
Failure to notify utility location services (Blue Stake) before digging can
result in a fine of up to:
A) $1,000
B) $2,000
C) $5,000
,3|Page
D) $10,000
Correct Answer: C
Explanation: Utility safety regulations impose significant penalties for
failing to contact Blue Stake before excavating. Fines can reach up to
$5,000 to underscore the importance of protecting underground
infrastructure and ensuring public safety.
Question 4
A CR-21 contractor's license can be suspended for which of the
following reasons?
A) Violating Arizona regulations.
B) Allowing liability insurance to lapse.
C) Both A and B.
D) Neither A nor B.
Correct Answer: C
Explanation: The AZ ROC has the authority to suspend a contractor's
license for non-compliance with state regulations, which includes both
committing regulatory violations and failing to maintain the required
insurance coverage. A lapse in insurance exposes the public to financial
risk, prompting immediate disciplinary action.
Question 5
, 4|Page
According to Arizona record-keeping requirements, contractors are
generally required to maintain project records for how long after
project completion?
A) 1 year
B) 2 years
C) 3 years
D) 5 years
Correct Answer: B
Explanation: Contractors must keep detailed records of their projects for
a minimum of two years following completion. This requirement
ensures that documentation is available for any warranty claims,
disputes, or regulatory audits that may arise after the work is finished.
Question 6
The Arizona Groundwater Management Act primarily regulates which
of the following?
A) The quality of drinking water.
B) The use and conservation of groundwater.
C) The discharge of pollutants into navigable waters.
D) The licensing of well-drilling contractors.
Correct Answer: B
