IRC TEST
IRC TEST STUDY QUESTIONS WITH CORRECT
DETAILED ANSWERS 2025 GRADED A+
The International Residential Code is applicable to single-family dwellings a maximum
of _______________ stories in above-grade-plane height.
A. One
B. Two
C. Three
D. Four -Correct Answer ✔C
If there is a conflict in the code between a general requirement and a specific
requirement, the _______________ requirement shall apply.
A. General
B. Specific
C. Least restrictive
D. Most restrictive -Correct Answer ✔B
Provisions of the appendices do not apply unless _______________.
A. Specified in the code
B. Applicable to unique conditions
C. Specifically adopted
D. Relevant to fire or life safety -Correct Answer ✔C
_______________ is the term used in the IRC to describe the individual in charge of the
department of building safety.
A. Building official
B. Code official
C. Code administrator
D. Chief building inspector -Correct Answer ✔A
The building official has the authority to _______________ the provisions of the code.
A. Ignore
B. Waive
C. Violate
D. Interpret -Correct Answer ✔D
Used materials may be utilized under which one of the following conditions?
A. They meet the requirements for new materials
B. When approved by the building official
C. Used materials may never be used in new construction
D. A representative sampling is tested for compliance -Correct Answer ✔B
The building official has the authority to grant modifications to the code
_______________.
IRC TEST
,IRC TEST
A. for only those issues not affecting life safety or fire safety
B. for individual cases where the strict letter of the code is impractical
C. where the intent and purpose of the code cannot be met
D. related only to administrative functions -Correct Answer ✔B
Unless supporting a surcharge, retaining walls having a maximum height of
__________ inches, measured from the bottom of the footing to the top of the wall, do
not require a permit.
A. 30
B. 36
C. 48
D. 60 -Correct Answer ✔C
Tests performed by _______________ may be required by the building official where
there is insufficient evidence of code compliance.
A. The owner
B. The contractor
C. An approved agency
D. A design professional -Correct Answer ✔C
A permit is not required for the construction of a one-story detached accessory structure
when it has a maximum floor area of _______________ square feet.
A. 100
B. 120
C. 150
D. 200 -Correct Answer ✔D
Prefabricated swimming pools are subject to a building permit where they have a
minimum depth of _______________ .
A. 12 inches
B. 24 inches
C. 30 inches
D. 36 inches -Correct Answer ✔B
Unless an extension is authorized, a permit becomes invalid when work does not
commence within _______________ after permit issuance.
A. 90 days
B. 180 days
C. one year
D. two years -Correct Answer ✔B
The building permit, or a copy of the permit, shall be kept _______________ until
completion of the project.
A. At the job site
B. By the permit applicant
C. By the contractor
IRC TEST
,IRC TEST
D. By the owner -Correct Answer ✔A
When a building permit is issued, the construction documents shall be approved
_______________.
A. In writing or by stamp
B. And two sets returned to the applicant
C. And stamped as "Accepted as Reviewed"
D. Pending payment of the plan review fee -Correct Answer ✔A
Unless otherwise mandated by state or local laws, the approved construction
documents shall be retained by the building official for a minimum of _______________
from the date of completion of the permitted work.
A. 90 days
B. 180 days
C. one year
D. two years -Correct Answer ✔B
Where applicable, which one of the following inspections is not specifically identified by
the International Residential Code as a required inspection?
A. Foundation inspection
B. Frame inspection
C. Fire-resistance-construction inspection
D. Energy efficiency inspection -Correct Answer ✔D
Whose duty is it to provide access to work in need of inspection?
A. The permit holder or agent
B. The owner or owner's agent
C. The contractor
D. The person requesting the inspection -Correct Answer ✔D
The certificate of occupancy shall contain all of the following information except:
A. The name and address of the owner or owner's agent
B. The name of the building official
C. The edition of the code under which the permit was issued
D. The maximum occupant load -Correct Answer ✔D
A temporary certificate of occupancy is valid for what period of time?
A. 30 days
B. 60 days
C. 180 days
D. A period set by the building official -Correct Answer ✔D
The board of appeals is not authorized to rule on an appeal based on a claim that
_________.
A. The provisions of the code do not fully apply
IRC TEST
, IRC TEST
B. A code requirement should be waived
C. The rules have been incorrectly interpreted
D. A better form of construction is provided -Correct Answer ✔B
The membership of the board of appeals _______________.
A. Shall include a jurisdictional member
B. Must consist of at least five members
C. Shall be knowledgeable of building construction
D. Must include an engineer or an architect -Correct Answer ✔C
A permit is not required for construction of a fence with a maximum height of
_______________feet.
A. 5
B. 6
C. 7
D. 8 -Correct Answer ✔C
When a stop work order is issued, it shall be given to any of the following individuals
except for the _______________.
A. Owner
B. Owner's agent
C. Permit applicant
D. Person doing the work -Correct Answer ✔C
Which of the following standards is applicable for factory-built fireplaces?
A. ANSI Z21.42-2014
B. CPSC 16 CFR Part 1404
C. NFPA 259-13
D. UL 127-2011 -Correct Answer ✔D
ACI 318-14 is a reference standard addressing _______________.
A. Structural concrete
B. Wood construction
C. Structural steel buildings
D. Gypsum board -Correct Answer ✔A
All of the following issues are specifically identified for achieving the purpose of the
International Residential Code, except for _______________.
A. Affordability
B. Structural strength
C. Energy conservation
D. Usability and accessibility -Correct Answer ✔D
IRC TEST
IRC TEST STUDY QUESTIONS WITH CORRECT
DETAILED ANSWERS 2025 GRADED A+
The International Residential Code is applicable to single-family dwellings a maximum
of _______________ stories in above-grade-plane height.
A. One
B. Two
C. Three
D. Four -Correct Answer ✔C
If there is a conflict in the code between a general requirement and a specific
requirement, the _______________ requirement shall apply.
A. General
B. Specific
C. Least restrictive
D. Most restrictive -Correct Answer ✔B
Provisions of the appendices do not apply unless _______________.
A. Specified in the code
B. Applicable to unique conditions
C. Specifically adopted
D. Relevant to fire or life safety -Correct Answer ✔C
_______________ is the term used in the IRC to describe the individual in charge of the
department of building safety.
A. Building official
B. Code official
C. Code administrator
D. Chief building inspector -Correct Answer ✔A
The building official has the authority to _______________ the provisions of the code.
A. Ignore
B. Waive
C. Violate
D. Interpret -Correct Answer ✔D
Used materials may be utilized under which one of the following conditions?
A. They meet the requirements for new materials
B. When approved by the building official
C. Used materials may never be used in new construction
D. A representative sampling is tested for compliance -Correct Answer ✔B
The building official has the authority to grant modifications to the code
_______________.
IRC TEST
,IRC TEST
A. for only those issues not affecting life safety or fire safety
B. for individual cases where the strict letter of the code is impractical
C. where the intent and purpose of the code cannot be met
D. related only to administrative functions -Correct Answer ✔B
Unless supporting a surcharge, retaining walls having a maximum height of
__________ inches, measured from the bottom of the footing to the top of the wall, do
not require a permit.
A. 30
B. 36
C. 48
D. 60 -Correct Answer ✔C
Tests performed by _______________ may be required by the building official where
there is insufficient evidence of code compliance.
A. The owner
B. The contractor
C. An approved agency
D. A design professional -Correct Answer ✔C
A permit is not required for the construction of a one-story detached accessory structure
when it has a maximum floor area of _______________ square feet.
A. 100
B. 120
C. 150
D. 200 -Correct Answer ✔D
Prefabricated swimming pools are subject to a building permit where they have a
minimum depth of _______________ .
A. 12 inches
B. 24 inches
C. 30 inches
D. 36 inches -Correct Answer ✔B
Unless an extension is authorized, a permit becomes invalid when work does not
commence within _______________ after permit issuance.
A. 90 days
B. 180 days
C. one year
D. two years -Correct Answer ✔B
The building permit, or a copy of the permit, shall be kept _______________ until
completion of the project.
A. At the job site
B. By the permit applicant
C. By the contractor
IRC TEST
,IRC TEST
D. By the owner -Correct Answer ✔A
When a building permit is issued, the construction documents shall be approved
_______________.
A. In writing or by stamp
B. And two sets returned to the applicant
C. And stamped as "Accepted as Reviewed"
D. Pending payment of the plan review fee -Correct Answer ✔A
Unless otherwise mandated by state or local laws, the approved construction
documents shall be retained by the building official for a minimum of _______________
from the date of completion of the permitted work.
A. 90 days
B. 180 days
C. one year
D. two years -Correct Answer ✔B
Where applicable, which one of the following inspections is not specifically identified by
the International Residential Code as a required inspection?
A. Foundation inspection
B. Frame inspection
C. Fire-resistance-construction inspection
D. Energy efficiency inspection -Correct Answer ✔D
Whose duty is it to provide access to work in need of inspection?
A. The permit holder or agent
B. The owner or owner's agent
C. The contractor
D. The person requesting the inspection -Correct Answer ✔D
The certificate of occupancy shall contain all of the following information except:
A. The name and address of the owner or owner's agent
B. The name of the building official
C. The edition of the code under which the permit was issued
D. The maximum occupant load -Correct Answer ✔D
A temporary certificate of occupancy is valid for what period of time?
A. 30 days
B. 60 days
C. 180 days
D. A period set by the building official -Correct Answer ✔D
The board of appeals is not authorized to rule on an appeal based on a claim that
_________.
A. The provisions of the code do not fully apply
IRC TEST
, IRC TEST
B. A code requirement should be waived
C. The rules have been incorrectly interpreted
D. A better form of construction is provided -Correct Answer ✔B
The membership of the board of appeals _______________.
A. Shall include a jurisdictional member
B. Must consist of at least five members
C. Shall be knowledgeable of building construction
D. Must include an engineer or an architect -Correct Answer ✔C
A permit is not required for construction of a fence with a maximum height of
_______________feet.
A. 5
B. 6
C. 7
D. 8 -Correct Answer ✔C
When a stop work order is issued, it shall be given to any of the following individuals
except for the _______________.
A. Owner
B. Owner's agent
C. Permit applicant
D. Person doing the work -Correct Answer ✔C
Which of the following standards is applicable for factory-built fireplaces?
A. ANSI Z21.42-2014
B. CPSC 16 CFR Part 1404
C. NFPA 259-13
D. UL 127-2011 -Correct Answer ✔D
ACI 318-14 is a reference standard addressing _______________.
A. Structural concrete
B. Wood construction
C. Structural steel buildings
D. Gypsum board -Correct Answer ✔A
All of the following issues are specifically identified for achieving the purpose of the
International Residential Code, except for _______________.
A. Affordability
B. Structural strength
C. Energy conservation
D. Usability and accessibility -Correct Answer ✔D
IRC TEST
