California Contractors Law Exam 2026/2027 -
Questions and Answers with Rationales
Guaranteed Pass
TABLE OF CONTENTS
Section I — California Contractor Licensing & CSLB
Section II — Business Organization & License Qualifiers
Section III — Contracts & Home Improvement Contracts
Section IV — Payments, Deposits & Financial Requirements
Section V — Mechanics Liens & Payment Remedies
Section VI — Employment & Workers' Compensation
Section VII — Bonds, Insurance & Risk Management
Section VIII — Public Works
Section IX — Safety & Cal/OSHA
Section X — Business Practices, Violations & Disputes
SECTION I — CALIFORNIA CONTRACTOR LICENSING & CSLB
1. What agency regulates licensed contractors in California?
A. California Department of Transportation
B. Contractors State License Board
C. Employment Development Department
D. Department of Motor Vehicles
Answer: B
Rationale: The Contractors State License Board (CSLB) administers California's
contractor licensing system and regulates licensed contractors under the
Contractors State License Law.
,2. A person generally needs a California contractor license when the person:
A. Performs or offers to perform construction work that requires licensure
B. Buys construction materials
C. Owns a residential property
D. Works only as a customer
Answer: A
Rationale: California generally requires a contractor license for covered
construction activities when the statutory requirements for licensure apply.
3. Which statement best describes a contractor license classification?
A. It identifies the type of contracting work the license authorizes
B. It determines the contractor's tax bracket
C. It establishes the contractor's profit
D. It determines the customer's credit score
Answer: A
Rationale: Classifications identify the scope of construction work a contractor
is authorized to undertake.
4. Why is it important for a contractor to work within the proper
classification?
A. To comply with licensing requirements
B. To avoid paying employees
C. To eliminate insurance
D. To avoid all project delays
Answer: A
Rationale: Performing work outside the authorized scope can create licensing
and legal problems.
5. Which of the following is an example of a California contractor
classification?
,A. Class A General Engineering Contractor
B. Class P Payroll Contractor
C. Class T Tax Contractor
D. Class Z Finance Contractor
Answer: A
Rationale: Class A is the General Engineering Contractor classification.
6. A Class B contractor is generally associated with:
A. General Building
B. Electrical-only work
C. Plumbing-only work
D. Landscaping-only work
Answer: A
Rationale: Class B is the General Building Contractor classification.
7. Which classification is generally associated with electrical contracting?
A. C-10
B. C-20
C. C-36
D. C-39
Answer: A
Rationale: C-10 is the Electrical Contractor classification.
8. Which classification is associated with plumbing?
A. C-10
B. C-20
C. C-36
D. C-46
, Answer: C
Rationale: C-36 is the Plumbing Contractor classification.
9. Which classification is associated with HVAC work?
A. C-20
B. C-27
C. C-33
D. C-39
Answer: A
Rationale: C-20 is the Warm-Air Heating, Ventilating and Air-Conditioning
Contractor classification.
10. Which classification generally covers landscaping?
A. C-27
B. C-29
C. C-36
D. C-39
Answer: A
Rationale: C-27 is the Landscaping Contractor classification.
11. A contractor's license number primarily identifies:
A. The contractor's CSLB license
B. The customer's property
C. The contractor's bank account
D. The employee's tax identification number
Answer: A
Rationale: The license number identifies the contractor's license record with
CSLB.
Questions and Answers with Rationales
Guaranteed Pass
TABLE OF CONTENTS
Section I — California Contractor Licensing & CSLB
Section II — Business Organization & License Qualifiers
Section III — Contracts & Home Improvement Contracts
Section IV — Payments, Deposits & Financial Requirements
Section V — Mechanics Liens & Payment Remedies
Section VI — Employment & Workers' Compensation
Section VII — Bonds, Insurance & Risk Management
Section VIII — Public Works
Section IX — Safety & Cal/OSHA
Section X — Business Practices, Violations & Disputes
SECTION I — CALIFORNIA CONTRACTOR LICENSING & CSLB
1. What agency regulates licensed contractors in California?
A. California Department of Transportation
B. Contractors State License Board
C. Employment Development Department
D. Department of Motor Vehicles
Answer: B
Rationale: The Contractors State License Board (CSLB) administers California's
contractor licensing system and regulates licensed contractors under the
Contractors State License Law.
,2. A person generally needs a California contractor license when the person:
A. Performs or offers to perform construction work that requires licensure
B. Buys construction materials
C. Owns a residential property
D. Works only as a customer
Answer: A
Rationale: California generally requires a contractor license for covered
construction activities when the statutory requirements for licensure apply.
3. Which statement best describes a contractor license classification?
A. It identifies the type of contracting work the license authorizes
B. It determines the contractor's tax bracket
C. It establishes the contractor's profit
D. It determines the customer's credit score
Answer: A
Rationale: Classifications identify the scope of construction work a contractor
is authorized to undertake.
4. Why is it important for a contractor to work within the proper
classification?
A. To comply with licensing requirements
B. To avoid paying employees
C. To eliminate insurance
D. To avoid all project delays
Answer: A
Rationale: Performing work outside the authorized scope can create licensing
and legal problems.
5. Which of the following is an example of a California contractor
classification?
,A. Class A General Engineering Contractor
B. Class P Payroll Contractor
C. Class T Tax Contractor
D. Class Z Finance Contractor
Answer: A
Rationale: Class A is the General Engineering Contractor classification.
6. A Class B contractor is generally associated with:
A. General Building
B. Electrical-only work
C. Plumbing-only work
D. Landscaping-only work
Answer: A
Rationale: Class B is the General Building Contractor classification.
7. Which classification is generally associated with electrical contracting?
A. C-10
B. C-20
C. C-36
D. C-39
Answer: A
Rationale: C-10 is the Electrical Contractor classification.
8. Which classification is associated with plumbing?
A. C-10
B. C-20
C. C-36
D. C-46
, Answer: C
Rationale: C-36 is the Plumbing Contractor classification.
9. Which classification is associated with HVAC work?
A. C-20
B. C-27
C. C-33
D. C-39
Answer: A
Rationale: C-20 is the Warm-Air Heating, Ventilating and Air-Conditioning
Contractor classification.
10. Which classification generally covers landscaping?
A. C-27
B. C-29
C. C-36
D. C-39
Answer: A
Rationale: C-27 is the Landscaping Contractor classification.
11. A contractor's license number primarily identifies:
A. The contractor's CSLB license
B. The customer's property
C. The contractor's bank account
D. The employee's tax identification number
Answer: A
Rationale: The license number identifies the contractor's license record with
CSLB.
