Arizona CR-21 Hardscaping and Irrigation
Systems Practice Exam
Licensing and Business Law, Site Preparation, Hardscape Materials, Pavers and
Retaining Walls, Concrete Flatwork, Irrigation Design, Piping and Valves, Controllers
and Electrical, Safety, Plans and Project Management
200 Multiple-Choice Practice Questions
with Answer Key and Explanations
2026 Edition
Arizona CR-21 Hardscaping and Irrigation Systems Practice Exam | Page 1
,Exam Overview
This is an independent, original practice set. It is not affiliated with the Arizona Registrar of Contractors. The
exact scope of the CR-21 classification (hardscape versus irrigation) should be confirmed against the current
Arizona Administrative Code R4-9-104 and the Registrar's exam outline. Dollar limits, bond amounts and time
frames are marked "confirm".
Exam Arizona CR-21 Hardscaping and Irrigation Systems
Practice Exam
Intended for Candidates preparing for an Arizona residential
landscaping, hardscape and irrigation contractor
trade exam
Number of questions 200 multiple-choice (four options, one best answer)
Content areas 9
Suggested time 3 hours 20 minutes (about 60 seconds per question)
Suggested passing target 70% or higher (140 of 200) as a readiness target;
confirm the official passing score
Answer format The correct answer and explanation appear directly
after each question
Content Blueprint
Content area Questions Share of exam
Licensing and Business Law 22 11%
Site Preparation and Grading 22 11%
Hardscape Materials 22 11%
Pavers and Retaining Walls 22 11%
Concrete Flatwork 22 11%
Irrigation Design and Hydraulics 22 11%
Piping, Valves and Components 22 11%
Controllers, Electrical and Water 22 11%
Management
Safety, Plans and Project 24 12%
Management
How to Use This Exam
Cover the answer lines with a sheet of paper and attempt each question before checking.
Work one content area at a time, or take all questions in one timed sitting to simulate test day.
Mark every question you miss or guess on, then reread its explanation and the related reference material.
Repeat the missed questions after a few days; aim to explain why each wrong option is wrong.
Reference Materials Used
Arizona Revised Statutes Title 32 Chapter 10
Arizona Administrative Code Title 4 Chapter 9
manufacturer irrigation guides
Arizona CR-21 Hardscaping and Irrigation Systems Practice Exam | Page 2
,Note: This is an independent practice resource written to the published content areas for this exam. It is not affiliated with or
endorsed by the testing organization, and it does not contain actual exam questions. Laws, codes, fees and guidelines change;
confirm current requirements with the official candidate handbook and references.
Arizona CR-21 Hardscaping and Irrigation Systems Practice Exam | Page 3
, Table of Contents
Exam Overview
Section 1: Licensing and Business Law (Questions 1–22)
Section 2: Site Preparation and Grading (Questions 23–44)
Section 3: Hardscape Materials (Questions 45–66)
Section 4: Pavers and Retaining Walls (Questions 67–88)
Section 5: Concrete Flatwork (Questions 89–110)
Section 6: Irrigation Design and Hydraulics (Questions 111–132)
Section 7: Piping, Valves and Components (Questions 133–154)
Section 8: Controllers, Electrical and Water Management (Questions 155–176)
Section 9: Safety, Plans and Project Management (Questions 177–200)
Answer Key Summary
Arizona CR-21 Hardscaping and Irrigation Systems Practice Exam | Page 4
Systems Practice Exam
Licensing and Business Law, Site Preparation, Hardscape Materials, Pavers and
Retaining Walls, Concrete Flatwork, Irrigation Design, Piping and Valves, Controllers
and Electrical, Safety, Plans and Project Management
200 Multiple-Choice Practice Questions
with Answer Key and Explanations
2026 Edition
Arizona CR-21 Hardscaping and Irrigation Systems Practice Exam | Page 1
,Exam Overview
This is an independent, original practice set. It is not affiliated with the Arizona Registrar of Contractors. The
exact scope of the CR-21 classification (hardscape versus irrigation) should be confirmed against the current
Arizona Administrative Code R4-9-104 and the Registrar's exam outline. Dollar limits, bond amounts and time
frames are marked "confirm".
Exam Arizona CR-21 Hardscaping and Irrigation Systems
Practice Exam
Intended for Candidates preparing for an Arizona residential
landscaping, hardscape and irrigation contractor
trade exam
Number of questions 200 multiple-choice (four options, one best answer)
Content areas 9
Suggested time 3 hours 20 minutes (about 60 seconds per question)
Suggested passing target 70% or higher (140 of 200) as a readiness target;
confirm the official passing score
Answer format The correct answer and explanation appear directly
after each question
Content Blueprint
Content area Questions Share of exam
Licensing and Business Law 22 11%
Site Preparation and Grading 22 11%
Hardscape Materials 22 11%
Pavers and Retaining Walls 22 11%
Concrete Flatwork 22 11%
Irrigation Design and Hydraulics 22 11%
Piping, Valves and Components 22 11%
Controllers, Electrical and Water 22 11%
Management
Safety, Plans and Project 24 12%
Management
How to Use This Exam
Cover the answer lines with a sheet of paper and attempt each question before checking.
Work one content area at a time, or take all questions in one timed sitting to simulate test day.
Mark every question you miss or guess on, then reread its explanation and the related reference material.
Repeat the missed questions after a few days; aim to explain why each wrong option is wrong.
Reference Materials Used
Arizona Revised Statutes Title 32 Chapter 10
Arizona Administrative Code Title 4 Chapter 9
manufacturer irrigation guides
Arizona CR-21 Hardscaping and Irrigation Systems Practice Exam | Page 2
,Note: This is an independent practice resource written to the published content areas for this exam. It is not affiliated with or
endorsed by the testing organization, and it does not contain actual exam questions. Laws, codes, fees and guidelines change;
confirm current requirements with the official candidate handbook and references.
Arizona CR-21 Hardscaping and Irrigation Systems Practice Exam | Page 3
, Table of Contents
Exam Overview
Section 1: Licensing and Business Law (Questions 1–22)
Section 2: Site Preparation and Grading (Questions 23–44)
Section 3: Hardscape Materials (Questions 45–66)
Section 4: Pavers and Retaining Walls (Questions 67–88)
Section 5: Concrete Flatwork (Questions 89–110)
Section 6: Irrigation Design and Hydraulics (Questions 111–132)
Section 7: Piping, Valves and Components (Questions 133–154)
Section 8: Controllers, Electrical and Water Management (Questions 155–176)
Section 9: Safety, Plans and Project Management (Questions 177–200)
Answer Key Summary
Arizona CR-21 Hardscaping and Irrigation Systems Practice Exam | Page 4
