Idaho Trade Licensing 2026/2027 | Idaho DOPL Trade License
Exams Study Guide & Practice Questions | PSI Idaho Contractor &
Trades Licensing Exam Prep, Idaho Electrical Contractor, Master
Electrician & Journeyman Electrician, Plumbing Contractor &
Journeyman Plumber, HVAC Contractor & Journeyman HVAC,
Specialty Contractor & Specialty Journeyman, Limited Electrical
Installer, Public Works Contractor, Manufactured Housing
Installer, Idaho Business & Law, Trade Laws, Licensing Rules,
Safety, Codes, Regulations & Detailed Rationales
Question 1: Which Idaho agency is responsible for issuing Public
Works Contractor licenses?
A. Idaho Contractors Board
B. Division of Building Safety
C. Secretary of State's Office
D. Department of Insurance
CORRECT ANSWER: B. Division of Building Safety
Rationale: The Idaho Division of Building Safety administers and issues
Public Works Contractor licenses, while general contractor registration is
handled by the Idaho Contractors Board under the Division of Occupational
and Professional Licenses.
Question 2: What is the minimum general liability insurance
coverage required for an Idaho contractor registration?
A. $100,000
B. $200,000
C. $300,000
D. $500,000
CORRECT ANSWER: C. $300,000
Rationale: Idaho Code requires contractors to maintain a general liability
insurance policy with a minimum single limit of $300,000 to qualify for
registration.
Question 3: Which of the following contractors is required to be
licensed with the Division of Building Safety rather than merely
registered with the Contractors Board?
A. General Residential Builder
B. HVAC Contractor
C. Roofing Subcontractor
D. Landscaping Contractor
,CORRECT ANSWER: B. HVAC Contractor
Rationale: HVAC, Plumbing, Electrical, and Public Works contractors must
be licensed with the Division of Building Safety; they need only register
with the Contractors Board if performing work outside that license.
Question 4: What is the minimum aggregate contract price for work
that requires contractor registration under the Idaho Contractor
Registration Act?
A. $500
B. $1,000
C. $2,000
D. $5,000
CORRECT ANSWER: C. $2,000
Rationale: Work on a single undertaking or project with an aggregate
contract price of less than $2,000 is exempt from contractor registration
requirements.
Question 5: What is the passing score required for the Idaho Public
Works Contractor examination?
A. 60%
B. 65%
C. 70%
D. 75%
CORRECT ANSWER: C. 70%
Rationale: Applicants for Public Works Contractor licenses must achieve a
final grade of 70% or higher on the examination to be issued a license.
Question 6: Which entity must an electrical contractor designate as
a supervising electrician?
A. A licensed journeyman electrician
B. A licensed master electrician
C. A registered apprentice electrician
D. A certified electrical inspector
CORRECT ANSWER: B. A licensed master electrician
,Rationale: Electrical contractor applicants must have at least one full-time
employee holding a valid master electrician license to serve as the
supervising electrician.
Question 7: How many hours of continuing education must Idaho
journeyman plumbers complete for every three-year license cycle?
A. Four hours
B. Six hours
C. Eight hours
D. Sixteen hours
CORRECT ANSWER: C. Eight hours
Rationale: Journeyman plumbers must complete eight hours of continuing
education per three-year cycle, with four hours dedicated to plumbing code
updates.
Question 8: What is the application fee for an Idaho HVAC
contractor examination?
A. $15.00
B. $22.50
C. $35.00
D. $75.00
CORRECT ANSWER: C. $35.00
Rationale: The application fee for examination for an HVAC contractor or
specialty contractor is $35.00 according to Idaho Code.
Question 9: Which of the following is exempt from Idaho contractor
registration requirements?
A. A subcontractor performing work valued at $1,500 on a larger project
B. A farmer building a barn for agricultural purposes
C. A contractor building a home for resale within six months
D. A handyman performing work valued at $3,000
CORRECT ANSWER: B. A farmer building a barn for agricultural
purposes
Rationale: Farmers and ranchers engaged in farming operations are
exempt, as are persons constructing agricultural buildings exempt from the
Idaho building code.
, Question 10: What is the maximum civil penalty per offense for
violating Idaho plumbing regulations?
A. $500
B. $1,000
C. $2,500
D. $5,000
CORRECT ANSWER: B. $1,000
Rationale: Violations of Idaho plumbing statutes and rules subject the
violator to a civil penalty not to exceed $1,000 for each separate count or
offense.
Question 11: Which class of Public Works Contractor license has no
bid limit?
A. Class AAA
B. Class AA
C. Class A
D. Unlimited
CORRECT ANSWER: D. Unlimited
Rationale: The Unlimited class of Public Works Contractor license permits
bidding on projects of any dollar amount, with no bid limit imposed.
Question 12: What is the required performance bond amount for an
Idaho manufactured/mobile home installer license?
A. $2,000
B. $5,000
C. $20,000
D. $30,000
CORRECT ANSWER: B. $5,000
Rationale: Manufactured/mobile home installers must post a $5,000
performance bond as a condition of licensing.
Question 13: How often must an Idaho electrical contractor license
be renewed?
A. Annually
B. Biennially
Exams Study Guide & Practice Questions | PSI Idaho Contractor &
Trades Licensing Exam Prep, Idaho Electrical Contractor, Master
Electrician & Journeyman Electrician, Plumbing Contractor &
Journeyman Plumber, HVAC Contractor & Journeyman HVAC,
Specialty Contractor & Specialty Journeyman, Limited Electrical
Installer, Public Works Contractor, Manufactured Housing
Installer, Idaho Business & Law, Trade Laws, Licensing Rules,
Safety, Codes, Regulations & Detailed Rationales
Question 1: Which Idaho agency is responsible for issuing Public
Works Contractor licenses?
A. Idaho Contractors Board
B. Division of Building Safety
C. Secretary of State's Office
D. Department of Insurance
CORRECT ANSWER: B. Division of Building Safety
Rationale: The Idaho Division of Building Safety administers and issues
Public Works Contractor licenses, while general contractor registration is
handled by the Idaho Contractors Board under the Division of Occupational
and Professional Licenses.
Question 2: What is the minimum general liability insurance
coverage required for an Idaho contractor registration?
A. $100,000
B. $200,000
C. $300,000
D. $500,000
CORRECT ANSWER: C. $300,000
Rationale: Idaho Code requires contractors to maintain a general liability
insurance policy with a minimum single limit of $300,000 to qualify for
registration.
Question 3: Which of the following contractors is required to be
licensed with the Division of Building Safety rather than merely
registered with the Contractors Board?
A. General Residential Builder
B. HVAC Contractor
C. Roofing Subcontractor
D. Landscaping Contractor
,CORRECT ANSWER: B. HVAC Contractor
Rationale: HVAC, Plumbing, Electrical, and Public Works contractors must
be licensed with the Division of Building Safety; they need only register
with the Contractors Board if performing work outside that license.
Question 4: What is the minimum aggregate contract price for work
that requires contractor registration under the Idaho Contractor
Registration Act?
A. $500
B. $1,000
C. $2,000
D. $5,000
CORRECT ANSWER: C. $2,000
Rationale: Work on a single undertaking or project with an aggregate
contract price of less than $2,000 is exempt from contractor registration
requirements.
Question 5: What is the passing score required for the Idaho Public
Works Contractor examination?
A. 60%
B. 65%
C. 70%
D. 75%
CORRECT ANSWER: C. 70%
Rationale: Applicants for Public Works Contractor licenses must achieve a
final grade of 70% or higher on the examination to be issued a license.
Question 6: Which entity must an electrical contractor designate as
a supervising electrician?
A. A licensed journeyman electrician
B. A licensed master electrician
C. A registered apprentice electrician
D. A certified electrical inspector
CORRECT ANSWER: B. A licensed master electrician
,Rationale: Electrical contractor applicants must have at least one full-time
employee holding a valid master electrician license to serve as the
supervising electrician.
Question 7: How many hours of continuing education must Idaho
journeyman plumbers complete for every three-year license cycle?
A. Four hours
B. Six hours
C. Eight hours
D. Sixteen hours
CORRECT ANSWER: C. Eight hours
Rationale: Journeyman plumbers must complete eight hours of continuing
education per three-year cycle, with four hours dedicated to plumbing code
updates.
Question 8: What is the application fee for an Idaho HVAC
contractor examination?
A. $15.00
B. $22.50
C. $35.00
D. $75.00
CORRECT ANSWER: C. $35.00
Rationale: The application fee for examination for an HVAC contractor or
specialty contractor is $35.00 according to Idaho Code.
Question 9: Which of the following is exempt from Idaho contractor
registration requirements?
A. A subcontractor performing work valued at $1,500 on a larger project
B. A farmer building a barn for agricultural purposes
C. A contractor building a home for resale within six months
D. A handyman performing work valued at $3,000
CORRECT ANSWER: B. A farmer building a barn for agricultural
purposes
Rationale: Farmers and ranchers engaged in farming operations are
exempt, as are persons constructing agricultural buildings exempt from the
Idaho building code.
, Question 10: What is the maximum civil penalty per offense for
violating Idaho plumbing regulations?
A. $500
B. $1,000
C. $2,500
D. $5,000
CORRECT ANSWER: B. $1,000
Rationale: Violations of Idaho plumbing statutes and rules subject the
violator to a civil penalty not to exceed $1,000 for each separate count or
offense.
Question 11: Which class of Public Works Contractor license has no
bid limit?
A. Class AAA
B. Class AA
C. Class A
D. Unlimited
CORRECT ANSWER: D. Unlimited
Rationale: The Unlimited class of Public Works Contractor license permits
bidding on projects of any dollar amount, with no bid limit imposed.
Question 12: What is the required performance bond amount for an
Idaho manufactured/mobile home installer license?
A. $2,000
B. $5,000
C. $20,000
D. $30,000
CORRECT ANSWER: B. $5,000
Rationale: Manufactured/mobile home installers must post a $5,000
performance bond as a condition of licensing.
Question 13: How often must an Idaho electrical contractor license
be renewed?
A. Annually
B. Biennially
