Massachusetts Unrestricted CSL Exam Prep 2026 | 200 Practice
Questions with Answers & Explanation
SECTION A: 780 CMR AND MASSACHUSETTS BUILDING CODE (Questions 1–50)
1. Which Massachusetts code primarily governs building construction standards for one- and two-
family dwellings?
A. 521 CMR – Architectural Access Board
B. 310 CMR – Environmental Code
C. 780 CMR – State Building Code
D. 527 CMR – Fire Code
Answer: C
Explanation: The Massachusetts State Building Code is codified under 780 CMR, which governs
construction, alteration, repair, and demolition of structures, including residential dwellings.
2. A child day care facility that provides care on a 24-hour basis for more than five children two
years nine months of age or less shall be classified as Use Group:
A. 1-2
B. 1-3
C. 1-4
D. 1-5
,Answer: C
Explanation: IBC Section 308.5.2 (Massachusetts amendments) classifies such facilities as Use
Group I-4 due to the extended care and vulnerable occupant profile
3. Which document serves as the foundation for the Massachusetts State Building Code?
A. International Residential Code (IRC)
B. International Energy Conservation Code (IECC)
C. 780 CMR
D. OSHA standards
Answer: C
Explanation: 780 CMR is the specific document that outlines the Massachusetts State Building
Code, forming the regulatory basis for construction practices in the state.
4. For a full Construction Supervisor License (CSL), which structures can a license holder
supervise?
A. Only single-family residences under 3,000 sq. ft.
B. One- and two-family dwellings plus any building up to 35,000 cubic feet
C. Any building not requiring a registered design professional
D. All buildings regardless of size or occupancy classification
,Answer: B
Explanation: The unrestricted CSL allows supervision for one- and two-family dwellings and any
structures up to 35,000 cubic feet. Larger or specialized occupancies require oversight by licensed
design professionals.
5. What is the primary scope of the Massachusetts State Building Code (780 CMR)?
A. To regulate zoning
B. To establish minimum construction standards for safety, health, and welfare
C. To enforce environmental laws
D. To manage municipal budgets
Answer: B
Explanation: The Massachusetts State Building Code sets the minimum standards to ensure safety,
health, and welfare in construction.
6. Which national model code forms the base of the Massachusetts Building Code for most
construction projects?
A. International Building Code (IBC)
B. National Electrical Code (NEC)
C. Life Safety Code (NFPA 101)
D. Uniform Plumbing Code (UPC)
, Answer: A
Explanation: The IBC is the primary model code upon which Massachusetts bases its state building
code.
7. Which document must be referenced to understand local amendments to the Massachusetts State
Building Code?
A. International Building Code
B. 780 CMR and its associated amendments
C. National Fire Protection Association guidelines
D. OSHA standards
Answer: B
Explanation: Local amendments and regulations are found within 780 CMR and its supplementary
documents.
8. What is the minimum ceiling height required for habitable rooms in Massachusetts residential
buildings per 780 CMR?
A. 6 feet 4 inches
B. 7 feet
C. 7 feet 6 inches
D. 8 feet
Questions with Answers & Explanation
SECTION A: 780 CMR AND MASSACHUSETTS BUILDING CODE (Questions 1–50)
1. Which Massachusetts code primarily governs building construction standards for one- and two-
family dwellings?
A. 521 CMR – Architectural Access Board
B. 310 CMR – Environmental Code
C. 780 CMR – State Building Code
D. 527 CMR – Fire Code
Answer: C
Explanation: The Massachusetts State Building Code is codified under 780 CMR, which governs
construction, alteration, repair, and demolition of structures, including residential dwellings.
2. A child day care facility that provides care on a 24-hour basis for more than five children two
years nine months of age or less shall be classified as Use Group:
A. 1-2
B. 1-3
C. 1-4
D. 1-5
,Answer: C
Explanation: IBC Section 308.5.2 (Massachusetts amendments) classifies such facilities as Use
Group I-4 due to the extended care and vulnerable occupant profile
3. Which document serves as the foundation for the Massachusetts State Building Code?
A. International Residential Code (IRC)
B. International Energy Conservation Code (IECC)
C. 780 CMR
D. OSHA standards
Answer: C
Explanation: 780 CMR is the specific document that outlines the Massachusetts State Building
Code, forming the regulatory basis for construction practices in the state.
4. For a full Construction Supervisor License (CSL), which structures can a license holder
supervise?
A. Only single-family residences under 3,000 sq. ft.
B. One- and two-family dwellings plus any building up to 35,000 cubic feet
C. Any building not requiring a registered design professional
D. All buildings regardless of size or occupancy classification
,Answer: B
Explanation: The unrestricted CSL allows supervision for one- and two-family dwellings and any
structures up to 35,000 cubic feet. Larger or specialized occupancies require oversight by licensed
design professionals.
5. What is the primary scope of the Massachusetts State Building Code (780 CMR)?
A. To regulate zoning
B. To establish minimum construction standards for safety, health, and welfare
C. To enforce environmental laws
D. To manage municipal budgets
Answer: B
Explanation: The Massachusetts State Building Code sets the minimum standards to ensure safety,
health, and welfare in construction.
6. Which national model code forms the base of the Massachusetts Building Code for most
construction projects?
A. International Building Code (IBC)
B. National Electrical Code (NEC)
C. Life Safety Code (NFPA 101)
D. Uniform Plumbing Code (UPC)
, Answer: A
Explanation: The IBC is the primary model code upon which Massachusetts bases its state building
code.
7. Which document must be referenced to understand local amendments to the Massachusetts State
Building Code?
A. International Building Code
B. 780 CMR and its associated amendments
C. National Fire Protection Association guidelines
D. OSHA standards
Answer: B
Explanation: Local amendments and regulations are found within 780 CMR and its supplementary
documents.
8. What is the minimum ceiling height required for habitable rooms in Massachusetts residential
buildings per 780 CMR?
A. 6 feet 4 inches
B. 7 feet
C. 7 feet 6 inches
D. 8 feet
