ICC RESIDENTIAL PLANS EXAMINER (R3) COMPLETE EXAM QUESTIONS AND
ANSWERS - 100% VERIFIED - LATEST 2026/2027 GUARANTEED PASS
1. According to the IRC, what is the primary purpose of the code?
A. To regulate commercial construction
B. To establish minimum requirements to safeguard public health,
safety, and general welfare
C. To maximize energy efficiency in homes
D. To standardize aesthetics of residential buildings
Answer: B
2. The IRC applies to the construction, alteration, and repair of:
A. Buildings of all occupancy types
B. One- and two-family dwellings and townhouses not more than
three stories above grade
C. Multi-family buildings only
D. Commercial structures under 5,000 sq ft
Answer: B
3. Which document is typically used in conjunction with the IRC for
energy conservation?
A. IBC
B. IFC
C. IECC
D. IFGC
Answer: C
4. When the IRC is silent on a specific subject, the building official
may:
A. Deny the permit
B. Apply the IBC provisions or approve alternative methods that
comply with the intent
C. Require engineering calculations only
, D. Halt all work immediately
Answer: B
5. A plans examiner reviews residential plans primarily against:
A. Local zoning ordinances only
B. The adopted building code and any local amendments
C. The architect's professional judgment
D. Manufacturer specifications only
Answer: B
6. Under the IRC, a 'building official' is:
A. The mayor of the city
B. The officer or other designated authority charged with
administration and enforcement of the code
C. The state fire marshal
D. A licensed structural engineer
Answer: B
7. An 'approved' material or method under the IRC means:
A. The cheapest available option
B. Acceptable to the building official based on testing, listing, or
other acceptable documentation
C. Approved by the homeowner
D. Included in the IRC tables only
Answer: B
8. Which section of the IRC covers the scope of the code?
A. R101
B. R201
C. R301
D. R401
Answer: A
9. The IRC defines a 'dwelling unit' as:
A. Any room used for sleeping
B. A single unit providing complete independent living facilities
including sleeping, eating, cooking, and sanitation
C. A commercial hotel room
D. Any structure with a roof
, Answer: B
10. Townhouses under the IRC must be separated from adjacent units
by:
A. A 1-hour fire-resistance-rated wall
B. A 2-hour fire-resistance-rated wall
C. A 1-hour fire-resistance-rated floor
D. A non-rated partition
Answer: B
11. The IRC requires plans to show:
A. Only the floor plan
B. Sufficient detail to verify compliance with the code
C. Marketing renderings
D. Furniture layout only
Answer: B
12. Who is responsible for code compliance under the IRC?
A. The building official alone
B. The owner and permit holder
C. The contractor's insurance company
D. The adjacent property owners
Answer: B
13. Which of the following buildings is covered by the IRC?
A. A three-story apartment building
B. A single-family dwelling
C. A retail store
D. An office building
Answer: B
14. A permit is required for:
A. Painting a room
B. Installing a new structural wall
C. Replacing a light switch
D. Installing carpet
Answer: B
15. The IRC was developed by:
, A. ASTM International
B. The International Code Council (ICC)
C. NFPA
D. The American Institute of Architects
Answer: B
16. Under the IRC, 'light-frame construction' refers to:
A. Metal stud framing only
B. Construction using repetitive wood or cold-formed steel framing
members
C. Glass curtain wall systems
D. Post-and-beam construction only
Answer: B
17. The IRC is a:
A. Federal law
B. Model code adopted by jurisdictions
C. Mandatory national standard
D. Voluntary guideline only
Answer: B
18. Which of the following is NOT regulated by the IRC?
A. Stair dimensions
B. Window glazing requirements
C. Commercial HVAC systems
D. Smoke alarm placement
Answer: C
19. 'Habitable space' under the IRC is defined as:
A. Any enclosed space in a building
B. Space used for living, sleeping, eating, or cooking (excluding
bathrooms, closets, hallways, utility spaces)
C. Only the living room
D. All spaces above grade
Answer: B
20. An alternate material or method must be approved by:
A. The owner
B. The building official
ANSWERS - 100% VERIFIED - LATEST 2026/2027 GUARANTEED PASS
1. According to the IRC, what is the primary purpose of the code?
A. To regulate commercial construction
B. To establish minimum requirements to safeguard public health,
safety, and general welfare
C. To maximize energy efficiency in homes
D. To standardize aesthetics of residential buildings
Answer: B
2. The IRC applies to the construction, alteration, and repair of:
A. Buildings of all occupancy types
B. One- and two-family dwellings and townhouses not more than
three stories above grade
C. Multi-family buildings only
D. Commercial structures under 5,000 sq ft
Answer: B
3. Which document is typically used in conjunction with the IRC for
energy conservation?
A. IBC
B. IFC
C. IECC
D. IFGC
Answer: C
4. When the IRC is silent on a specific subject, the building official
may:
A. Deny the permit
B. Apply the IBC provisions or approve alternative methods that
comply with the intent
C. Require engineering calculations only
, D. Halt all work immediately
Answer: B
5. A plans examiner reviews residential plans primarily against:
A. Local zoning ordinances only
B. The adopted building code and any local amendments
C. The architect's professional judgment
D. Manufacturer specifications only
Answer: B
6. Under the IRC, a 'building official' is:
A. The mayor of the city
B. The officer or other designated authority charged with
administration and enforcement of the code
C. The state fire marshal
D. A licensed structural engineer
Answer: B
7. An 'approved' material or method under the IRC means:
A. The cheapest available option
B. Acceptable to the building official based on testing, listing, or
other acceptable documentation
C. Approved by the homeowner
D. Included in the IRC tables only
Answer: B
8. Which section of the IRC covers the scope of the code?
A. R101
B. R201
C. R301
D. R401
Answer: A
9. The IRC defines a 'dwelling unit' as:
A. Any room used for sleeping
B. A single unit providing complete independent living facilities
including sleeping, eating, cooking, and sanitation
C. A commercial hotel room
D. Any structure with a roof
, Answer: B
10. Townhouses under the IRC must be separated from adjacent units
by:
A. A 1-hour fire-resistance-rated wall
B. A 2-hour fire-resistance-rated wall
C. A 1-hour fire-resistance-rated floor
D. A non-rated partition
Answer: B
11. The IRC requires plans to show:
A. Only the floor plan
B. Sufficient detail to verify compliance with the code
C. Marketing renderings
D. Furniture layout only
Answer: B
12. Who is responsible for code compliance under the IRC?
A. The building official alone
B. The owner and permit holder
C. The contractor's insurance company
D. The adjacent property owners
Answer: B
13. Which of the following buildings is covered by the IRC?
A. A three-story apartment building
B. A single-family dwelling
C. A retail store
D. An office building
Answer: B
14. A permit is required for:
A. Painting a room
B. Installing a new structural wall
C. Replacing a light switch
D. Installing carpet
Answer: B
15. The IRC was developed by:
, A. ASTM International
B. The International Code Council (ICC)
C. NFPA
D. The American Institute of Architects
Answer: B
16. Under the IRC, 'light-frame construction' refers to:
A. Metal stud framing only
B. Construction using repetitive wood or cold-formed steel framing
members
C. Glass curtain wall systems
D. Post-and-beam construction only
Answer: B
17. The IRC is a:
A. Federal law
B. Model code adopted by jurisdictions
C. Mandatory national standard
D. Voluntary guideline only
Answer: B
18. Which of the following is NOT regulated by the IRC?
A. Stair dimensions
B. Window glazing requirements
C. Commercial HVAC systems
D. Smoke alarm placement
Answer: C
19. 'Habitable space' under the IRC is defined as:
A. Any enclosed space in a building
B. Space used for living, sleeping, eating, or cooking (excluding
bathrooms, closets, hallways, utility spaces)
C. Only the living room
D. All spaces above grade
Answer: B
20. An alternate material or method must be approved by:
A. The owner
B. The building official
