CALIFORNIA LOCKSMITH LICENSE EXAMINATION – PRACTICE QUESTIONS AND
CORRECT ANSWERS (VERIFIED ANSWERS) PLUS RATIONALES 2026 Q&A | INSTANT
DOWNLOAD PDF.
CORE DOMAINS
• Master Key Systems and Cylinder Servicing
• Automotive Locksmithing and Transponder Programming
• Electronic Access Control and Electrified Hardware
• Life Safety Codes and ADA Compliance
• Safe and Vault Opening and Repair
• Business Practices and California State Regulations
• High-Security Locks and Key Control Protocols
• Door Hardware Installation and Alignment
INTRODUCTION
The purpose of this practice examination is to provide a comprehensive assessment tool for
individuals seeking licensure as a locksmith in the State of California. This exam evaluates
the technical skills, legal knowledge, and ethical standards required to protect public safety
and property. The assessment covers a wide spectrum of expertise, ranging from traditional
mechanical lock servicing to sophisticated electronic access control systems. Utilizing a mix of
multiple-choice and scenario-based questions, the exam emphasizes real-world application
,and critical decision-making. Candidates are expected to demonstrate proficiency in
regulatory compliance, life safety codes, and the precise execution of locksmithing
methodologies.
SECTION ONE: QUESTIONS 1–100
1. Under California law, a licensed locksmith must include which of the following on every
work order or invoice?
A. The serial number of the tools used
B. Their locksmith license number
C. The customer's social security number
D. A copy of the Bureau of Security and Investigative Services (BSIS) logo
🟢 B. Their locksmith license number
🔴 RATIONALE: California Business and Professions Code requires locksmiths to display
their license number on all business-related documents, including advertisements and work
orders, to ensure accountability.
2. Which type of key is designed to operate all locks within a specific sub-group of a master
key system?
,A. Grand Master Key
B. Change Key
C. Master Key
D. Control Key
🟢 C. Master Key
🔴 RATIONALE: In a standard hierarchy, the Master Key operates all locks within a specific
group, while the Grand Master operates multiple groups and the Change Key operates only
one.
3. When installing an exit device on a fire-rated door, which of the following is strictly
prohibited?
A. Using through-bolts
B. Installing a dogging feature
C. Using a rim-type device
D. Testing the latch projection
🟢 B. Installing a dogging feature
🔴 RATIONALE: Fire-rated doors must remain latched to prevent the spread of smoke and
fire. A dogging feature, which holds the latch retracted, would violate fire safety codes (NFPA
80).
, 4. A locksmith is called to a "lockout" of a residence. Before performing the entry, what is
the most critical professional step?
A. Obtaining a signed waiver of liability
B. Taking a photograph of the door
C. Verifying the customer's identity and authority to enter
D. Determining the age of the lock cylinder
🟢 C. Verifying the customer's identity and authority to enter
🔴 RATIONALE: To prevent unauthorized entry and potential legal liability, a locksmith must
verify that the individual requesting entry has the legal right to access the property.
5. What is the standard distance for the "backset" on most residential cylindrical deadbolts?
A. 2 1/8 inches
B. 2 3/8 inches or 2 3/4 inches
C. 1 1/2 inches
D. 3 inches
🟢 B. 2 3/8 inches or 2 3/4 inches
🔴 RATIONALE: 2 3/8" and 2 3/4" are the two standard backset measurements used in North
American residential and commercial door preparation.
CORRECT ANSWERS (VERIFIED ANSWERS) PLUS RATIONALES 2026 Q&A | INSTANT
DOWNLOAD PDF.
CORE DOMAINS
• Master Key Systems and Cylinder Servicing
• Automotive Locksmithing and Transponder Programming
• Electronic Access Control and Electrified Hardware
• Life Safety Codes and ADA Compliance
• Safe and Vault Opening and Repair
• Business Practices and California State Regulations
• High-Security Locks and Key Control Protocols
• Door Hardware Installation and Alignment
INTRODUCTION
The purpose of this practice examination is to provide a comprehensive assessment tool for
individuals seeking licensure as a locksmith in the State of California. This exam evaluates
the technical skills, legal knowledge, and ethical standards required to protect public safety
and property. The assessment covers a wide spectrum of expertise, ranging from traditional
mechanical lock servicing to sophisticated electronic access control systems. Utilizing a mix of
multiple-choice and scenario-based questions, the exam emphasizes real-world application
,and critical decision-making. Candidates are expected to demonstrate proficiency in
regulatory compliance, life safety codes, and the precise execution of locksmithing
methodologies.
SECTION ONE: QUESTIONS 1–100
1. Under California law, a licensed locksmith must include which of the following on every
work order or invoice?
A. The serial number of the tools used
B. Their locksmith license number
C. The customer's social security number
D. A copy of the Bureau of Security and Investigative Services (BSIS) logo
🟢 B. Their locksmith license number
🔴 RATIONALE: California Business and Professions Code requires locksmiths to display
their license number on all business-related documents, including advertisements and work
orders, to ensure accountability.
2. Which type of key is designed to operate all locks within a specific sub-group of a master
key system?
,A. Grand Master Key
B. Change Key
C. Master Key
D. Control Key
🟢 C. Master Key
🔴 RATIONALE: In a standard hierarchy, the Master Key operates all locks within a specific
group, while the Grand Master operates multiple groups and the Change Key operates only
one.
3. When installing an exit device on a fire-rated door, which of the following is strictly
prohibited?
A. Using through-bolts
B. Installing a dogging feature
C. Using a rim-type device
D. Testing the latch projection
🟢 B. Installing a dogging feature
🔴 RATIONALE: Fire-rated doors must remain latched to prevent the spread of smoke and
fire. A dogging feature, which holds the latch retracted, would violate fire safety codes (NFPA
80).
, 4. A locksmith is called to a "lockout" of a residence. Before performing the entry, what is
the most critical professional step?
A. Obtaining a signed waiver of liability
B. Taking a photograph of the door
C. Verifying the customer's identity and authority to enter
D. Determining the age of the lock cylinder
🟢 C. Verifying the customer's identity and authority to enter
🔴 RATIONALE: To prevent unauthorized entry and potential legal liability, a locksmith must
verify that the individual requesting entry has the legal right to access the property.
5. What is the standard distance for the "backset" on most residential cylindrical deadbolts?
A. 2 1/8 inches
B. 2 3/8 inches or 2 3/4 inches
C. 1 1/2 inches
D. 3 inches
🟢 B. 2 3/8 inches or 2 3/4 inches
🔴 RATIONALE: 2 3/8" and 2 3/4" are the two standard backset measurements used in North
American residential and commercial door preparation.
