California Residential Remodeling
Contractor License Exam (Class B-2)
Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. What is the primary difference between a Class B and Class B-2 license
in California?
A. Class B allows electrical work, while Class B-2 does not
B. Class B covers structural framing, while Class B-2 does not
C. Class B-2 is limited to commercial buildings
D. Class B-2 requires a C-10 license
Class B covers major structural framing and building construction, while
Class B-2 (Residential Remodeling) is limited to remodeling and non-
structural work in existing homes.
2. Which of the following tasks can a Class B-2 contractor perform?
A. Installing kitchen cabinets
B. Building a new home
C. Framing a new addition
D. Installing a new septic system
,Class B-2 license holders can perform tasks like cabinetry, painting, and
flooring in residential remodels but not structural construction.
3. Before starting a bathroom remodel, which permit is most likely
required?
A. Electrical contractor’s permit
B. Building permit
C. Lead-safe certification
D. Water discharge permit
A building permit is required for most bathroom remodels due to plumbing
and structural changes.
4. What is the primary purpose of Title 24 in California construction?
A. To regulate contractor licensing
B. To oversee labor laws
C. To set energy efficiency standards
D. To establish property tax rates
Title 24 regulates energy efficiency standards for construction in California.
5. What is the maximum down payment a contractor can request before
work begins on a home improvement project?
A. 20% of total cost
B. $1,000 or 10% of contract price, whichever is less
C. $5,000 flat fee
D. 50% of labor cost
,California law limits the down payment to $1,000 or 10%, whichever is less,
to protect homeowners.
6. Which of the following would most likely require a subcontractor
licensed in a specialty trade?
A. Installing a new HVAC system
B. Painting interior walls
C. Removing old carpet
D. Cleaning windows
HVAC installation must be done by a licensed C-20 (HVAC) contractor.
7. Which document outlines the details, scope, and timeline of a
remodeling project?
A. Certificate of Occupancy
B. Written contract
C. Lien waiver
D. Warranty certificate
A written contract is required and provides the scope, schedule, and cost of
the project.
8. What is the best way to handle a homeowner changing the scope of a
remodeling project?
A. Ignore the change
B. Use a change order form
C. Update the invoice only
D. Increase the final bill
, Change orders formally document and authorize changes to the original
scope.
9. Which material is most appropriate for moisture-prone areas like
bathrooms?
A. Cement board
B. OSB
C. MDF
D. Plywood
Cement board resists mold and moisture, making it ideal for tile backer in
wet areas.
10. When installing tile on a bathroom floor, which underlayment is
recommended?
A. Drywall
B. Carpet pad
C. Cement board
D. Plywood only
Cement board provides a stable, water-resistant base for tile.
11. How often must a contractor renew their California license?
A. Every year
B. Every two years
C. Every three years
D. Every five years
California contractor licenses must be renewed every two years.
Contractor License Exam (Class B-2)
Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. What is the primary difference between a Class B and Class B-2 license
in California?
A. Class B allows electrical work, while Class B-2 does not
B. Class B covers structural framing, while Class B-2 does not
C. Class B-2 is limited to commercial buildings
D. Class B-2 requires a C-10 license
Class B covers major structural framing and building construction, while
Class B-2 (Residential Remodeling) is limited to remodeling and non-
structural work in existing homes.
2. Which of the following tasks can a Class B-2 contractor perform?
A. Installing kitchen cabinets
B. Building a new home
C. Framing a new addition
D. Installing a new septic system
,Class B-2 license holders can perform tasks like cabinetry, painting, and
flooring in residential remodels but not structural construction.
3. Before starting a bathroom remodel, which permit is most likely
required?
A. Electrical contractor’s permit
B. Building permit
C. Lead-safe certification
D. Water discharge permit
A building permit is required for most bathroom remodels due to plumbing
and structural changes.
4. What is the primary purpose of Title 24 in California construction?
A. To regulate contractor licensing
B. To oversee labor laws
C. To set energy efficiency standards
D. To establish property tax rates
Title 24 regulates energy efficiency standards for construction in California.
5. What is the maximum down payment a contractor can request before
work begins on a home improvement project?
A. 20% of total cost
B. $1,000 or 10% of contract price, whichever is less
C. $5,000 flat fee
D. 50% of labor cost
,California law limits the down payment to $1,000 or 10%, whichever is less,
to protect homeowners.
6. Which of the following would most likely require a subcontractor
licensed in a specialty trade?
A. Installing a new HVAC system
B. Painting interior walls
C. Removing old carpet
D. Cleaning windows
HVAC installation must be done by a licensed C-20 (HVAC) contractor.
7. Which document outlines the details, scope, and timeline of a
remodeling project?
A. Certificate of Occupancy
B. Written contract
C. Lien waiver
D. Warranty certificate
A written contract is required and provides the scope, schedule, and cost of
the project.
8. What is the best way to handle a homeowner changing the scope of a
remodeling project?
A. Ignore the change
B. Use a change order form
C. Update the invoice only
D. Increase the final bill
, Change orders formally document and authorize changes to the original
scope.
9. Which material is most appropriate for moisture-prone areas like
bathrooms?
A. Cement board
B. OSB
C. MDF
D. Plywood
Cement board resists mold and moisture, making it ideal for tile backer in
wet areas.
10. When installing tile on a bathroom floor, which underlayment is
recommended?
A. Drywall
B. Carpet pad
C. Cement board
D. Plywood only
Cement board provides a stable, water-resistant base for tile.
11. How often must a contractor renew their California license?
A. Every year
B. Every two years
C. Every three years
D. Every five years
California contractor licenses must be renewed every two years.
