Housing Contractor Exam Questions

CA C47 General Manufactured Housing Contractor Exam Questions And Correct Answers (Verified Answers) Plus Rationale2026 Q&A| Instant Download Pdf

• Which of the following is required to obtain a C-47 license?
• Proof of at least 2 years of experience in housing construction
• Passing the law and business exam only
• Passing both the trade and law/business exams
• Submitting a personal financial statement

Answer: C. Passing both the trade and law/business exams

Rationale: Applicants must demonstrate knowledge of both the

specific trade and California contractor law and business practices.

• When installing manufactured housing, what is the minimum clearance

required between the structure and combustible materials?

• 3 inches
• 6 inches
• 12 inches
• 18 inches

Answer: B. 6 inches

Rationale: Building codes specify a minimum 6-inch clearance to

reduce fire risk.

3. A manufactured home foundation must be designed to:

• Support the home on a temporary basis
• Meet local building codes only if the home is multi-section
• Support the home permanently and resist uplift and lateral

forces 1 / 3

• Only support interior weight

Answer: C. Support the home permanently and resist uplift and

lateral forces

Rationale: Foundations must provide permanent stability against

structural and environmental loads.

• Which document governs the construction standards for manufactured

homes in California?

A. IRC

• HUD Code
• OSHA standards
• Local city ordinances

Answer: B. HUD Code

Rationale: The HUD Code sets federal construction and safety

standards for manufactured homes.

• What is the primary purpose of anchoring a manufactured home?
• Ease of relocation
• Prevent movement during wind or seismic events
• Reduce noise transmission
• Improve energy efficiency

Answer: B. Prevent movement during wind or seismic events

Rationale: Anchoring systems are designed to secure the home

against lateral and uplift forces.

• What type of insurance is required for a licensed C-47 contractor?
• Auto insurance
• General liability insurance
• Life insurance
• Workers’ compensation only

Answer: B. General liability insurance

Rationale: Contractors must maintain insurance to protect against

property damage or bodily injury claims.

• When must a manufactured home be inspected?
• Only after installation is complete
• Before, during, and after installation as required by code
• Only when requested by the homeowner
• After electrical work is completed

Answer: B. Before, during, and after installation as required by

code 2 / 3

Rationale: Inspections ensure compliance with structural, electrical,

plumbing, and safety requirements.

8. A C-47 contractor is responsible for:

• Selling homes only
• Installing, repairing, or altering manufactured homes
• Only electrical connections
• Only plumbing installations

Answer: B. Installing, repairing, or altering manufactured homes

Rationale: C-47 license covers general manufactured housing work,

including structural, plumbing, and electrical aspects.

• What is the minimum roof load capacity for a manufactured home in

California?

• 10 pounds per square foot
• 20 pounds per square foot
• 40 pounds per square foot
• 60 pounds per square foot

Answer: C. 40 pounds per square foot

Rationale: Roof structures must support live loads like snow and

wind according to HUD and local codes.

• Which of the following is considered an unfair business practice

under California contractor law?

• Completing work ahead of schedule
• Advertising services not licensed for
• Offering discounts for prompt payment
• Hiring subcontractors

Answer: B. Advertising services not licensed for

Rationale: Contractors must only advertise and perform work within

their licensed classification.

• The primary purpose of vapor barriers in manufactured homes is

to:

• Reduce noise
• Prevent moisture intrusion
• Support the foundation
• Reduce fire hazard

Answer: B. Prevent moisture intrusion

Rationale: Vapor barriers prevent moisture from damaging flooring

and structural components.

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