ICC B2 COMMERCIAL BUILDING INSPECTOR: INTERNATIONAL CODE
COUNCIL | VERIFIED ANSWERS AND QUESTIONS - MOST RECENT
EDITION 2026/2027 (PASS GUARANTEE)
1. According to the IBC, which of the following best defines 'occupancy
classification'?
A. The type of construction material used
B. The intended use of a building or structure
C. The number of stories in a building
D. The fire-resistance rating of exterior walls
2. A building inspector finds a structure used as an office building by day and a
nightclub by night. How should this be classified?
A. Business (B) only
B. Assembly (A-2) only
C. Mixed occupancy with both B and A-2 designations
D. The most restrictive single occupancy applies
3. Under the IBC, what is the primary purpose of the 'change of occupancy'
provisions?
A. To require a new building permit for any renovation
B. To ensure that buildings comply with current code when the use changes
C. To restrict all alterations to existing structures
D. To mandate historic preservation of older buildings
4. Which IBC section governs the general requirements for building height and
number of stories?
A. Chapter 4
B. Chapter 5
C. Chapter 6
ICC B2 Commercial Building Inspector Mock Examination
, D. Chapter 7
5. A 'story above grade plane' is defined in the IBC as:
A. Any floor level above the finished ground level
B. A story in which the finished floor is more than 6 feet above grade
C. Any story with habitable space above the basement
D. A story having its finished floor surface entirely above grade plane, or
where the finished floor is more than 6 feet above the lowest point of the
adjoining ground
6. Which of the following structures is exempt from IBC permit requirements?
A. A 200 sq ft tool shed
B. A detached one-story accessory structure of 200 sq ft or less
C. Any residential structure under 500 sq ft
D. A commercial storage shed with no utilities
7. What is the minimum ceiling height required in occupiable spaces under the
IBC?
A. 7 feet
B. 7 feet 6 inches
C. 8 feet
D. 9 feet
8. The term 'grade plane' as used in the IBC refers to:
A. The highest point of the natural grade surrounding a building
B. A reference plane representing the average of finished ground level
adjoining the building at all exterior walls
C. The first-floor level of a building
D. The lowest point of the basement floor
9. Under the IBC, which occupancy group would a funeral home typically be
classified as?
A. A-2
B. B
ICC B2 Commercial Building Inspector Mock Examination
, C. I-1
D. M
10. A building inspector encounters a building with a use that is not specifically
addressed in the IBC. What is the correct approach?
A. Require the owner to petition the state legislature
B. The building official shall determine the most comparable occupancy
group
C. Default to the most restrictive classification in the code
D. Approve the structure as-is with no classification
11. Which of the following correctly identifies an Assembly Group A-1
occupancy?
A. Restaurants and bars with occupant loads under 300
B. Theaters, concert halls, and similar uses with fixed seating
C. Churches with occupant loads under 100
D. Exhibition halls and convention centers
12. A storage facility housing high-piled combustible stock would most likely be
classified under which occupancy group?
A. S-1
B. S-2
C. F-1
D. H-2
13. What does the IBC specify regarding interior finishes in means of egress?
A. Any finish material is permitted as long as it is aesthetically neutral
B. Finish materials must meet minimum flame spread and smoke
development index requirements
C. Only non-combustible materials are permitted
D. Interior finishes are not regulated in the IBC
14. Which of the following best describes 'construction type' as used in the IBC?
A. The architectural style of a building
ICC B2 Commercial Building Inspector Mock Examination
, B. A classification based on the combustibility and fire-resistance rating of
structural elements
C. The method of foundation used
D. The age and condition of building materials
15. A commercial building inspector is reviewing plans for a building where the
owner disputes the occupancy classification. Who has the final authority to make
the determination?
A. The architect of record
B. The fire marshal
C. The building official
D. The state licensing board
16. Under the IBC, an 'accessible route' must connect which of the following?
A. Only parking areas and building entrances
B. All accessible spaces and elements within and around the building
C. Employee work areas only
D. Entrances and fire exits only
17. The IBC defines 'high-rise building' as a building with an occupied floor
located more than how many feet above the lowest level of fire department vehicle
access?
A. 55 feet
B. 65 feet
C. 75 feet
D. 85 feet
18. According to the IBC, which occupancy classification applies to a building
used primarily for the manufacture of furniture?
A. S-1
B. F-1
C. F-2
D. H-3
ICC B2 Commercial Building Inspector Mock Examination
COUNCIL | VERIFIED ANSWERS AND QUESTIONS - MOST RECENT
EDITION 2026/2027 (PASS GUARANTEE)
1. According to the IBC, which of the following best defines 'occupancy
classification'?
A. The type of construction material used
B. The intended use of a building or structure
C. The number of stories in a building
D. The fire-resistance rating of exterior walls
2. A building inspector finds a structure used as an office building by day and a
nightclub by night. How should this be classified?
A. Business (B) only
B. Assembly (A-2) only
C. Mixed occupancy with both B and A-2 designations
D. The most restrictive single occupancy applies
3. Under the IBC, what is the primary purpose of the 'change of occupancy'
provisions?
A. To require a new building permit for any renovation
B. To ensure that buildings comply with current code when the use changes
C. To restrict all alterations to existing structures
D. To mandate historic preservation of older buildings
4. Which IBC section governs the general requirements for building height and
number of stories?
A. Chapter 4
B. Chapter 5
C. Chapter 6
ICC B2 Commercial Building Inspector Mock Examination
, D. Chapter 7
5. A 'story above grade plane' is defined in the IBC as:
A. Any floor level above the finished ground level
B. A story in which the finished floor is more than 6 feet above grade
C. Any story with habitable space above the basement
D. A story having its finished floor surface entirely above grade plane, or
where the finished floor is more than 6 feet above the lowest point of the
adjoining ground
6. Which of the following structures is exempt from IBC permit requirements?
A. A 200 sq ft tool shed
B. A detached one-story accessory structure of 200 sq ft or less
C. Any residential structure under 500 sq ft
D. A commercial storage shed with no utilities
7. What is the minimum ceiling height required in occupiable spaces under the
IBC?
A. 7 feet
B. 7 feet 6 inches
C. 8 feet
D. 9 feet
8. The term 'grade plane' as used in the IBC refers to:
A. The highest point of the natural grade surrounding a building
B. A reference plane representing the average of finished ground level
adjoining the building at all exterior walls
C. The first-floor level of a building
D. The lowest point of the basement floor
9. Under the IBC, which occupancy group would a funeral home typically be
classified as?
A. A-2
B. B
ICC B2 Commercial Building Inspector Mock Examination
, C. I-1
D. M
10. A building inspector encounters a building with a use that is not specifically
addressed in the IBC. What is the correct approach?
A. Require the owner to petition the state legislature
B. The building official shall determine the most comparable occupancy
group
C. Default to the most restrictive classification in the code
D. Approve the structure as-is with no classification
11. Which of the following correctly identifies an Assembly Group A-1
occupancy?
A. Restaurants and bars with occupant loads under 300
B. Theaters, concert halls, and similar uses with fixed seating
C. Churches with occupant loads under 100
D. Exhibition halls and convention centers
12. A storage facility housing high-piled combustible stock would most likely be
classified under which occupancy group?
A. S-1
B. S-2
C. F-1
D. H-2
13. What does the IBC specify regarding interior finishes in means of egress?
A. Any finish material is permitted as long as it is aesthetically neutral
B. Finish materials must meet minimum flame spread and smoke
development index requirements
C. Only non-combustible materials are permitted
D. Interior finishes are not regulated in the IBC
14. Which of the following best describes 'construction type' as used in the IBC?
A. The architectural style of a building
ICC B2 Commercial Building Inspector Mock Examination
, B. A classification based on the combustibility and fire-resistance rating of
structural elements
C. The method of foundation used
D. The age and condition of building materials
15. A commercial building inspector is reviewing plans for a building where the
owner disputes the occupancy classification. Who has the final authority to make
the determination?
A. The architect of record
B. The fire marshal
C. The building official
D. The state licensing board
16. Under the IBC, an 'accessible route' must connect which of the following?
A. Only parking areas and building entrances
B. All accessible spaces and elements within and around the building
C. Employee work areas only
D. Entrances and fire exits only
17. The IBC defines 'high-rise building' as a building with an occupied floor
located more than how many feet above the lowest level of fire department vehicle
access?
A. 55 feet
B. 65 feet
C. 75 feet
D. 85 feet
18. According to the IBC, which occupancy classification applies to a building
used primarily for the manufacture of furniture?
A. S-1
B. F-1
C. F-2
D. H-3
ICC B2 Commercial Building Inspector Mock Examination
