AZ ROC TRADE EXAM B-3 LICENSE FULL COLLECTION OF EXAM
QUESTIONS WITH ACCURATE ANSWERS (2026)
1. Q: What does ROC stand for? ANSWER Registrar of Contractors
2. Q: What is a B-3 license classification? ANSWER General Residential
Contractor license for single-family and multi-family residential construction up
to three stories
3. Q: What is the monetary limit for a B-3 license in Arizona? ANSWER
There is no monetary limit for B-3 licensed contractors
4. Q: How many hours of continuing education are required per renewal
cycle? ANSWER 8 hours of continuing education every two years
5. Q: What is the minimum age requirement to apply for a contractor's
license? ANSWER 18 years of age
6. Q: How long is experience required before applying for a B-3 license?
ANSWER Four years of experience within the last 10 years in the classification
applied for
7. Q: What is the purpose of a contractor's bond? ANSWER To protect
consumers from financial loss due to contractor violations or non-performance
8. Q: What is the minimum bond amount for a B-3 license? ANSWER
$15,000
9. Q: Can a B-3 contractor build a four-story apartment building?
ANSWER No, B-3 is limited to three stories or less
10. Q: What does change order mean? ANSWER A written modification to
the original contract approved by both parties
11. Q: What is substantial completion? ANSWER When the work is
sufficiently complete for the owner to occupy or use for its intended purpose
12. Q: What is a lien waiver? ANSWER A document signed by contractors,
subcontractors, or suppliers waiving their right to file a mechanics lien
,13. Q: How long do you have to record a preliminary 20-day notice?
ANSWER Within 20 days of first furnishing labor or materials
14. Q: What is the statute of limitations for filing a mechanics lien?
ANSWER 6 months from the date the lien is recorded
15. Q: What is required to be included in a residential contract? ANSWER
Scope of work, price, payment schedule, start and completion dates, license
number, and ROC recovery fund information
16. Q: What is the maximum down payment a contractor can request?
ANSWER One-third of the contract price or $1,000, whichever is less (for
contracts under $5,000)
17. Q: When must progress payments be requested? ANSWER Only when
work has been completed or materials delivered
18. Q: What is an allowance in a contract? ANSWER A specified amount
included in the contract for items not yet selected
19. Q: What is the purpose of the Residential Contractors Recovery Fund?
ANSWER To compensate homeowners for actual damages caused by licensed
contractors
20. Q: What is the maximum recovery from the Recovery Fund per
license? ANSWER $200,000 aggregate
21. Q: What is the maximum recovery per claim from the Recovery Fund?
ANSWER $75,000
22. Q: What happens if the Recovery Fund pays out a claim against your
license? ANSWER The license is automatically suspended until full
reimbursement plus interest is made
23. Q: What is required on all contractor advertisements? ANSWER
License number and business name as registered with ROC
24. Q: Can you advertise services outside your license classification?
ANSWER No, you can only advertise within your licensed classifications
25. Q: What is joint and several liability? ANSWER Each party is
individually responsible for the entire obligation
26. Q: What is the purpose of retainage? ANSWER To ensure completion of
work and correction of defects; typically 10% withheld until final completion
, 27. Q: When can final payment be withheld? ANSWER When work is
incomplete or defective, or liens have been filed
28. Q: What is the Arizona Consumer Fraud Act? ANSWER State law
protecting consumers from deceptive trade practices
29. Q: What is required for contract modifications? ANSWER Written
change orders signed by both parties
30. Q: What is the definition of abandonment? ANSWER Leaving a job
without justification and with no intent to return
Section 2: Building Codes and Safety
31. Q: What building code does Arizona primarily follow? ANSWER
International Residential Code (IRC) and International Building Code (IBC)
32. Q: What is the minimum ceiling height for habitable rooms? ANSWER
7 feet
33. Q: What is the minimum width for hallways? ANSWER 36 inches
34. Q: What is the minimum width for stairways? ANSWER 36 inches
35. Q: What is the maximum riser height for stairs? ANSWER 7-3/4 inches
36. Q: What is the minimum tread depth for stairs? ANSWER 10 inches
37. Q: What is the maximum opening allowed in guardrails? ANSWER 4
inches (to prevent children from passing through)
38. Q: What is the minimum height for guardrails? ANSWER 36 inches for
residential
39. Q: What is the minimum height for handrails on stairs? ANSWER 34
inches to 38 inches measured vertically from the nosing
40. Q: What is the purpose of OSHA? ANSWER Occupational Safety and
Health Administration - ensures safe working conditions
41. Q: What is required for trenches deeper than 5 feet? ANSWER
Protective systems such as shoring, shielding, or sloping
42. Q: What is the minimum clearance for overhead power lines?
ANSWER 10 feet for voltages up to 50kV
QUESTIONS WITH ACCURATE ANSWERS (2026)
1. Q: What does ROC stand for? ANSWER Registrar of Contractors
2. Q: What is a B-3 license classification? ANSWER General Residential
Contractor license for single-family and multi-family residential construction up
to three stories
3. Q: What is the monetary limit for a B-3 license in Arizona? ANSWER
There is no monetary limit for B-3 licensed contractors
4. Q: How many hours of continuing education are required per renewal
cycle? ANSWER 8 hours of continuing education every two years
5. Q: What is the minimum age requirement to apply for a contractor's
license? ANSWER 18 years of age
6. Q: How long is experience required before applying for a B-3 license?
ANSWER Four years of experience within the last 10 years in the classification
applied for
7. Q: What is the purpose of a contractor's bond? ANSWER To protect
consumers from financial loss due to contractor violations or non-performance
8. Q: What is the minimum bond amount for a B-3 license? ANSWER
$15,000
9. Q: Can a B-3 contractor build a four-story apartment building?
ANSWER No, B-3 is limited to three stories or less
10. Q: What does change order mean? ANSWER A written modification to
the original contract approved by both parties
11. Q: What is substantial completion? ANSWER When the work is
sufficiently complete for the owner to occupy or use for its intended purpose
12. Q: What is a lien waiver? ANSWER A document signed by contractors,
subcontractors, or suppliers waiving their right to file a mechanics lien
,13. Q: How long do you have to record a preliminary 20-day notice?
ANSWER Within 20 days of first furnishing labor or materials
14. Q: What is the statute of limitations for filing a mechanics lien?
ANSWER 6 months from the date the lien is recorded
15. Q: What is required to be included in a residential contract? ANSWER
Scope of work, price, payment schedule, start and completion dates, license
number, and ROC recovery fund information
16. Q: What is the maximum down payment a contractor can request?
ANSWER One-third of the contract price or $1,000, whichever is less (for
contracts under $5,000)
17. Q: When must progress payments be requested? ANSWER Only when
work has been completed or materials delivered
18. Q: What is an allowance in a contract? ANSWER A specified amount
included in the contract for items not yet selected
19. Q: What is the purpose of the Residential Contractors Recovery Fund?
ANSWER To compensate homeowners for actual damages caused by licensed
contractors
20. Q: What is the maximum recovery from the Recovery Fund per
license? ANSWER $200,000 aggregate
21. Q: What is the maximum recovery per claim from the Recovery Fund?
ANSWER $75,000
22. Q: What happens if the Recovery Fund pays out a claim against your
license? ANSWER The license is automatically suspended until full
reimbursement plus interest is made
23. Q: What is required on all contractor advertisements? ANSWER
License number and business name as registered with ROC
24. Q: Can you advertise services outside your license classification?
ANSWER No, you can only advertise within your licensed classifications
25. Q: What is joint and several liability? ANSWER Each party is
individually responsible for the entire obligation
26. Q: What is the purpose of retainage? ANSWER To ensure completion of
work and correction of defects; typically 10% withheld until final completion
, 27. Q: When can final payment be withheld? ANSWER When work is
incomplete or defective, or liens have been filed
28. Q: What is the Arizona Consumer Fraud Act? ANSWER State law
protecting consumers from deceptive trade practices
29. Q: What is required for contract modifications? ANSWER Written
change orders signed by both parties
30. Q: What is the definition of abandonment? ANSWER Leaving a job
without justification and with no intent to return
Section 2: Building Codes and Safety
31. Q: What building code does Arizona primarily follow? ANSWER
International Residential Code (IRC) and International Building Code (IBC)
32. Q: What is the minimum ceiling height for habitable rooms? ANSWER
7 feet
33. Q: What is the minimum width for hallways? ANSWER 36 inches
34. Q: What is the minimum width for stairways? ANSWER 36 inches
35. Q: What is the maximum riser height for stairs? ANSWER 7-3/4 inches
36. Q: What is the minimum tread depth for stairs? ANSWER 10 inches
37. Q: What is the maximum opening allowed in guardrails? ANSWER 4
inches (to prevent children from passing through)
38. Q: What is the minimum height for guardrails? ANSWER 36 inches for
residential
39. Q: What is the minimum height for handrails on stairs? ANSWER 34
inches to 38 inches measured vertically from the nosing
40. Q: What is the purpose of OSHA? ANSWER Occupational Safety and
Health Administration - ensures safe working conditions
41. Q: What is required for trenches deeper than 5 feet? ANSWER
Protective systems such as shoring, shielding, or sloping
42. Q: What is the minimum clearance for overhead power lines?
ANSWER 10 feet for voltages up to 50kV
